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Academic literature on the topic 'Plasmonen'

Author: Grafiati

Published: 4 June 2021

Last updated: 8 February 2022

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Journal articles on the topic "Plasmonen"

1

Aussenegg, Franz, and Harald Ditlbacher. "Plasmonen als Lichttransporter: Nanooptik." Physik in unserer Zeit 37, no. 5 (September 2006): 220–26. http://dx.doi.org/10.1002/piuz.200601102.

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Tao, Z. H., H. M. Dong, and Y. F. Duan. "Anomalous plasmon modes of single-layer MoS2." Modern Physics Letters B 33, no. 18 (June 26, 2019): 1950200. http://dx.doi.org/10.1142/s0217984919502002.

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The electronic plasmons of single layer MoS2 induced by different spin subbands owing to spin-orbit couplings (SOCs) are theoretically investigated. The study shows that two new and anomalous plasmonic modes can be achieved via inter-spin subband transitions around the Fermi level due to the SOCs. The plasmon modes are optic-like, which are very different from the plasmons reported recently in single-layer (SL) MoS2, and the other two-dimensional systems. The frequency of such plasmons ascends with the increasing of electron density or spin polarizability, and decreases with the increasing of wave vector. The promising plasmonic properties of SL MoS2 make it interesting for future applications in plasmonic and terahertz devices.

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Brooks, James L., Christopher L. Warkentin, Dayeeta Saha, Emily L. Keller, and Renee R. Frontiera. "Toward a mechanistic understanding of plasmon-mediated photocatalysis." Nanophotonics 7, no. 11 (August 29, 2018): 1697–724. http://dx.doi.org/10.1515/nanoph-2018-0073.

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AbstractOne of the most exciting new developments in the plasmonic nanomaterials field is the discovery of their ability to mediate a number of photocatalytic reactions. Since the initial prediction of driving chemical reactions with plasmons in the 1980s, the field has rapidly expanded in recent years, demonstrating the ability of plasmons to drive chemical reactions, such as water splitting, ammonia generation, and CO2 reduction, among many other examples. Unfortunately, the efficiencies of these processes are currently suboptimal for practical widespread applications. The limitations in recorded outputs can be linked to the current lack of a knowledge pertaining to mechanisms of the partitioning of plasmonic energy after photoexcitation. Providing a descriptive and quantitative mechanism of the processes involved in driving plasmon-induced photochemical reactions, starting at the initial plasmon excitation, followed by hot carrier generation, energy transfer, and thermal effects, is critical for the advancement of the field as a whole. Here, we provide a mechanistic perspective on plasmonic photocatalysis by reviewing select experimental approaches. We focus on spectroscopic and electrochemical techniques that provide molecular-scale information on the processes that occur in the coupled molecular-plasmonic system after photoexcitation. To conclude, we evaluate several promising techniques for future applications in elucidating the mechanism of plasmon-mediated photocatalysis.

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Balevičius, Zigmas. "Strong Coupling between Tamm and Surface Plasmons for Advanced Optical Bio-Sensing." Coatings 10, no. 12 (December 5, 2020): 1187. http://dx.doi.org/10.3390/coatings10121187.

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The total internal reflection ellipsometry method was used to analyse the angular spectra of the hybrid Tamm and surface plasmon modes and to compare their results with those obtained using the conventional single SPR method. As such type of measurement is quite common in commercial SPR devices, more detailed attention was paid to the analysis of the p-polarization reflection intensity dependence. The conducted study showed that the presence of strong coupling in the hybrid plasmonic modes increases the sensitivity of the plasmonic-based sensors due to the reduced losses in the metal layer. The experimental results and analysis of the optical responses of three different plasmonic-based samples indicated that the optimized Tamm plasmons ΔRp(TP) and optimized surface plasmons ΔRp(SP) samples produce a response that is about five and six times greater than the conventional surface plasmon resonance ΔRp(SPR) in angular spectra. The sensitivity of the refractive index unit of the spectroscopic measurements for the optimized Tamm plasmon samples was 1.5 times higher than for conventional SPR, while for wavelength scanning, the SPR overcame the optimized TP by 1.5 times.

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Coello, Víctor, Cesar E. Garcia-Ortiz, and Manuel Garcia-Mendez. "Classical Plasmonics: Wave Propagation Control at Subwavelength Scale." Nano 10, no. 07 (October 2015): 1530005. http://dx.doi.org/10.1142/s1793292015300054.

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In this paper, surface plasmons polariton propagation and manipulation is reviewed in the context of experiments and modeling of optical images. We focus our attention in the interaction of surface plasmon polaritons with arrays of micro-scatereres and nanofabricated structures. Numerical simulations and experimental results of different plasmonic devices are presented. Plasmonic beam manipulation opens up numerous possibilities for application in biosensing, nanophotonics, and in general in the area of surface optics properties.

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Nishimura, Takuya, and Taiichi Otsuji. "TERAHERTZ POLARIZATION CONTROLLER BASED ON ELECTRONIC DISPERSION CONTROL OF 2D PLASMONS." International Journal of High Speed Electronics and Systems 17, no. 03 (September 2007): 547–55. http://dx.doi.org/10.1142/s0129156407004734.

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We numerically investigated the possibility of terahertz polarization controller based on electronic dispersion control of two dimensional (2D) plasmon gratings in semiconductor heterostructure material systems. Taking account of the Mikhailov's dispersive plasmonic conductivity model, the electromagnetic field emission properties of the gated 2D plasmon gratings were numerically analyzed with respect to the density (n) of electrons by using in-house Maxwell's FDTD (finite difference time domain method) simulator. When n is low under a constant drift-velocity condition, the fundamental plasmon mode is excited, being coupled with the radiative zeroth mode of transverse electric (TE) waves. When n exceeds a threshold level, the second harmonic mode of plasmon is predominantly excited, being coupled with the non-radiative first mode of TE waves. We numerically demonstrated that if a grating mesh of 2D plasmons is formed where two independent 2D plasmon gratings are combined orthogonally, the structure can act as a polarization controller by electronically controlling the two axial plasmonic dispersions.

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Dong, Jun, Zhenglong Zhang, Hairong Zheng, and Mentao Sun. "Recent Progress on Plasmon-Enhanced Fluorescence." Nanophotonics 4, no. 4 (December 30, 2015): 472–90. http://dx.doi.org/10.1515/nanoph-2015-0028.

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AbstractThe optically generated collective electron density waves on metal–dielectric boundaries known as surface plasmons have been of great scientific interest since their discovery. Being electromagnetic waves on gold or silver nanoparticle’s surface, localised surface plasmons (LSP) can strongly enhance the electromagnetic field. These strong electromagnetic fields near the metal surfaces have been used in various applications like surface enhanced spectroscopy (SES), plasmonic lithography, plasmonic trapping of particles, and plasmonic catalysis. Resonant coupling of LSPs to fluorophore can strongly enhance the emission intensity, the angular distribution, and the polarisation of the emitted radiation and even the speed of radiative decay, which is so-called plasmon enhanced fluorescence (PEF). As a result, more and more reports on surface-enhanced fluorescence have appeared, such as SPASER-s, plasmon assisted lasing, single molecule fluorescence measurements, surface plasmoncoupled emission (SPCE) in biological sensing, optical orbit designs etc. In this review, we focus on recent advanced reports on plasmon-enhanced fluorescence (PEF). First, the mechanism of PEF and early results of enhanced fluorescence observed by metal nanostructure will be introduced. Then, the enhanced substrates, including periodical and nonperiodical nanostructure, will be discussed and the most important factor of the spacer between molecule and surface and wavelength dependence on PEF is demonstrated. Finally, the recent progress of tipenhanced fluorescence and PEF from the rare-earth doped up-conversion (UC) and down-conversion (DC) nanoparticles (NPs) are also commented upon. This review provides an introduction to fundamentals of PEF, illustrates the current progress in the design of metallic nanostructures for efficient fluorescence signal amplification that utilises propagating and localised surface plasmons.

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Genç, Aziz, Javier Patarroyo, Jordi Sancho-Parramon, Neus G. Bastús, Victor Puntes, and Jordi Arbiol. "Hollow metal nanostructures for enhanced plasmonics: synthesis, local plasmonic properties and applications." Nanophotonics 6, no. 1 (January 6, 2017): 193–213. http://dx.doi.org/10.1515/nanoph-2016-0124.

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AbstractMetallic nanostructures have received great attention due to their ability to generate surface plasmon resonances, which are collective oscillations of conduction electrons of a material excited by an electromagnetic wave. Plasmonic metal nanostructures are able to localize and manipulate the light at the nanoscale and, therefore, are attractive building blocks for various emerging applications. In particular, hollow nanostructures are promising plasmonic materials as cavities are known to have better plasmonic properties than their solid counterparts thanks to the plasmon hybridization mechanism. The hybridization of the plasmons results in the enhancement of the plasmon fields along with more homogeneous distribution as well as the reduction of localized surface plasmon resonance (LSPR) quenching due to absorption. In this review, we summarize the efforts on the synthesis of hollow metal nanostructures with an emphasis on the galvanic replacement reaction. In the second part of this review, we discuss the advancements on the characterization of plasmonic properties of hollow nanostructures, covering the single nanoparticle experiments, nanoscale characterization via electron energy-loss spectroscopy and modeling and simulation studies. Examples of the applications, i.e. sensing, surface enhanced Raman spectroscopy, photothermal ablation therapy of cancer, drug delivery or catalysis among others, where hollow nanostructures perform better than their solid counterparts, are also evaluated.

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Hu, Bin, Ying Zhang, and Qi Jie Wang. "Surface magneto plasmons and their applications in the infrared frequencies." Nanophotonics 4, no. 4 (November 6, 2015): 383–96. http://dx.doi.org/10.1515/nanoph-2014-0026.

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Abstract Due to their promising properties, surface magneto plasmons have attracted great interests in the field of plasmonics recently. Apart from flexible modulation of the plasmonic properties by an external magnetic field, surface magneto plasmons also promise nonreciprocal effect and multi-bands of propagation, which can be applied into the design of integrated plasmonic devices for biosensing and telecommunication applications. In the visible frequencies, because it demands extremely strong magnetic fields for the manipulation of metallic plasmonic materials, nano-devices consisting of metals and magnetic materials based on surface magneto plasmon are difficult to be realized due to the challenges in device fabrication and high losses. In the infrared frequencies, highly-doped semiconductors can replace metals, owning to the lower incident wave frequencies and lower plasma frequencies. The required magnetic field is also low, which makes the tunable devices based on surface magneto plasmons more practically to be realized. Furthermore, a promising 2D material-graphene shows great potential in infrared magnetic plasmonics. In this paper, we review the magneto plasmonics in the infrared frequencies with a focus on device designs and applications. We investigate surface magneto plasmons propagating in different structures, including plane surface structures and slot waveguides. Based on the fundamental investigation and theoretical studies, we illustrate various magneto plasmonic micro/nano devices in the infrared, such as tunable waveguides, filters, and beam-splitters. Novel plasmonic devices such as one-way waveguides and broad-band waveguides are also introduced.

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Zhang, Xiaoyu, Chanda Ranjit Yonzon, and Richard P. Van Duyne. "Nanosphere lithography fabricated plasmonic materials and their applications." Journal of Materials Research 21, no. 5 (May 1, 2006): 1083–92. http://dx.doi.org/10.1557/jmr.2006.0136.

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Nanosphere lithography fabricated nanostructures have highly tunable localized surface plasmons, which have been used for important sensing and spectroscopy applications. In this work, the authors focus on biological applications and technologies that utilize two types of related plasmonic phenomena: localized surface plasmon resonance (LSPR) spectroscopy and surface-enhanced Raman spectroscopy (SERS). Two applications of these plasmonic materials are presented: (i) the development of an ultrasensitive nanoscale optical biosensor based on LSPR wavelength-shift spectroscopy and (ii) the SERS detection of an anthrax biomarker.

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Dissertations / Theses on the topic "Plasmonen"

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Benten, Wolfgang. "Plasmonen in einzelnen oxidgetragenen Edelmetallpartikeln." [S.l.] : [s.n.], 2006. http://deposit.ddb.de/cgi-bin/dokserv?idn=979941954.

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Langer, Thomas [Verfasser]. "Niedrigdimensionale Plasmonen in epitaktischen Graphenlagen / Thomas Langer." Hannover : Technische Informationsbibliothek und Universitätsbibliothek Hannover (TIB), 2012. http://d-nb.info/1021189049/34.

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Kirste, Ronny [Verfasser], and Axel [Akademischer Betreuer] Hoffmann. "Gruppe-III-Nitride: Phononen, Plasmonen, Polarität / Ronny Kirste. Betreuer: Axel Hoffmann." Berlin : Universitätsbibliothek der Technischen Universität Berlin, 2012. http://d-nb.info/1018764992/34.

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Krieg, Ulrich [Verfasser]. "1D-Plasmonen in Ag-Nanodrähten auf vicinalem Si(557) / Ulrich Krieg." Hannover : Technische Informationsbibliothek und Universitätsbibliothek Hannover (TIB), 2014. http://d-nb.info/1058240730/34.

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Sprafke, Alexander Nicolas [Verfasser]. "Optische Nahfeld-Wechselwirkungen von Plasmonen mit ihrer Umgebung / Alexander Nicolas Sprafke." Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2014. http://d-nb.info/1052254497/34.

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Sprafke, Alexander [Verfasser]. "Optische Nahfeld-Wechselwirkungen von Plasmonen mit ihrer Umgebung / Alexander Nicolas Sprafke." Aachen : Hochschulbibliothek der Rheinisch-Westfälischen Technischen Hochschule Aachen, 2014. http://nbn-resolving.de/urn:nbn:de:hbz:82-opus-50008.

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Bomm, Jana. "Von Gold Plasmonen und Exzitonen : Synthese, Charakterisierung und Applikationen von Gold Nanopartikeln." Phd thesis, Universität Potsdam, 2012. http://opus.kobv.de/ubp/volltexte/2013/6640/.

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In dieser Arbeit wurden sphärische Gold Nanopartikel (NP) mit einem Durchmesser größer ~ 2 nm, Gold Quantenpunkte (QDs) mit einem Durchmesser kleiner ~ 2 nm sowie Gold Nanostäbchen (NRs) unterschiedlicher Länge hergestellt und optisch charakterisiert. Zudem wurden zwei neue Synthesevarianten für die Herstellung thermosensitiver Gold QDs entwickelt werden. Sphärische Gold NP zeigen eine Plasmonenbande bei ~ 520 nm, die auf die kollektive Oszillation von Elektronen zurückzuführen ist. Gold NRs weisen aufgrund ihrer anisotropen Form zwei Plasmonenbanden auf, eine transversale Plasmonenbande bei ~ 520 nm und eine longitudinale Plasmonenbande, die vom Länge-zu-Durchmesser-Verhältnis der Gold NRs abhängig ist. Gold QDs besitzen keine Plasmonenbande, da ihre Elektronen Quantenbeschränkungen unterliegen. Gold QDs zeigen jedoch aufgrund diskreter Energieniveaus und einer Bandlücke Photolumineszenz (PL). Die synthetisierten Gold QDs besitzen eine Breitbandlumineszenz im Bereich von ~ 500-800 nm, wobei die Lumineszenz-eigenschaften (Emissionspeak, Quantenausbeute, Lebenszeiten) stark von den Herstellungs-bedingungen und den Oberflächenliganden abhängen. Die PL in Gold QDs ist ein sehr komplexes Phänomen und rührt vermutlich von Singulett- und Triplett-Zuständen her. Gold NRs und Gold QDs konnten in verschiedene Polymere wie bspw. Cellulosetriacetat eingearbeitet werden. Polymernanokomposite mit Gold NRs wurden erstmals unter definierten Bedingungen mechanisch gezogen, um Filme mit optisch anisotropen (richtungsabhängigen) Eigenschaften zu erhalten. Zudem wurde das Temperaturverhalten von Gold NRs und Gold QDs untersucht. Es konnte gezeigt werden, dass eine lokale Variation der Größe und Form von Gold NRs in Polymernanokompositen durch Temperaturerhöhung auf 225-250 °C erzielt werden kann. Es zeigte sich, dass die PL der Gold QDs stark temperaturabhängig ist, wodurch die PL QY der Proben beim Abkühlen (-7 °C) auf knapp 30 % verdoppelt und beim Erhitzen auf 70 °C nahezu vollständig gelöscht werden konnte. Es konnte demonstriert werden, dass die Länge der Alkylkette des Oberflächenliganden einen Einfluss auf die Temperaturstabilität der Gold QDs hat. Zudem wurden verschiedene neuartige und optisch anisotrope Sicherheitslabels mit Gold NRs sowie thermosensitive Sicherheitslabel mit Gold QDs entwickelt. Ebenso scheinen Gold NRs und QDs für die und die Optoelektronik (bspw. Datenspeicherung) und die Medizin (bspw. Krebsdiagnostik bzw. -therapie) von großem Interesse zu sein.
In this thesis, the synthesis and optical characterization of spherical gold nanoparticles (NP) with diameters larger than ~ 2 nm, gold quantum dots (QDs) with diameters smaller than ~ 2 nm and gold nanorods (NRs) with different lengths are presented. In addition, a novel one-pot synthesis for the preparation of thermosensitive gold QDs is introduced. Gold NP solutions appear red colored due to their strong absorption in the visible range at ~ 520 nm. This absorption band is a result of surface plasmon resonance, which is caused by the coherent oscillation of conduction band electrons induced by an electromagnetic field. In contrast to spherical gold NPs, gold NRs show two surface plasmon bands due to their anisotropic shape, a transverse plasmon band at ~ 520 nm and a longitudinal plasmon band depending on the aspect ratio (length-to-width-ratio) of the gold NRs. If the size of the gold NPs decreases to values below ~ 2 nm, quantum-size confinement occurs and the surface plasmon band disappears. Additionally, the overlap between conduction band and valence band disappears, discrete electronic levels arise and a band gap is created. As a consequence of quantum confinement, the gold QDs show photoluminescence (PL) upon UV-irradiation. The gold QDs synthesized via the one-pot synthesis exhibit a broadband luminescence between 500 nm and 800 nm. The luminescence properties (emission peak, quantum yield, lifetime) strongly depend on the synthetic parameters like reaction temperature, stoichiometry and the surface ligand. Gold NRs and gold QDs were incoroporated into different polymers (e.g. cellulose triacetate). Polymer nanocomposite films showing optical anisotropy are obtainded by stretching polymer films containing gold NRs uniaxial in a tensile test machine. In addition to the optical characterization of gold NRs and QDs, their thermal behavior in solution as well as in different nanocomposites is studied. A shortening of the gold NRs or a transformation into spherical gold NP is observed, if the polymer nanocomposites containing gold NRs are heated above a temperature of 200 °C. The PL of the synthesized gold QDs strongly depends on the ambient temperature. An increase of PL quantum yield (QY) and PL lifetime occur, if the solutions are cooled. The best PL QY of 16.6 % was observed for octadecyl mercaptan capped gold QDs at room temperature, which could be improved to 28.6 % when cooling the solutions to -7 °C. Furthermore, optically anisotropic security labels containing gold NRs and thermosensitive security devices containing gold QDs are developed. Due to their unique optical properties, gold NRs and QDs are interesting candidates for optoelectronical as well as data storage devices and medical applications like biomedical imaging or cancer therapy.

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Seidel, Jan. "Propagation, Scattering and Amplification of Surface Plasmons in Thin Silver Films." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2005. http://nbn-resolving.de/urn:nbn:de:swb:14-1117625135371-32372.

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Plasmons, i.e. collective oscillations of conduction electrons, have a strong influence on the optical properties of metal micro- and nanostructures and are of great interest for novel photonic devices. Here, plasmons on metal-dielectric interfaces are investigated using near-field optical microscopy and differential angular reflectance spectroscopy. Emphasis is placed on the study of plasmon interaction with individual nanostructures and on the nonlinear process of surface plasmon amplification. Specifically, plasmon transmission across single grooves in thin silver films is investigated with the help of a near-field optical microscope. It is found that plasmon transmittance as a function of groove width shows a non-monotonic behavior, exhibiting certain favorable groove widths with strongly decreased transmittance values. Additionally, evidence of groove-mediated plasmon mode coupling is observed. Spatial beating due to different plasmon wave vectors produces distinct interference features in near-field optical images. A theoretical approach explains these observations and gives estimated coupling effciencies deduced from visibility considerations. Furthermore, stimulated emission of surface plasmons induced by optical pumping using an organic dye solution is demonstrated for the first time. For this a novel twin-attenuated-total-reflection scheme is introduced. The experiment is described by a theoretical model which exhibits very good agreement. Together they provide clear evidence of the claimed process.

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Schertz, Florian [Verfasser]. "Nahfeld-induzierte Elektronenemissions-Mikrospektroskopie an stark gekoppelten Plasmonen und metallischen Mikrostrukturen / Florian Schertz." Mainz : Universitätsbibliothek Mainz, 2013. http://d-nb.info/1044286954/34.

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Edelmann, André [Verfasser]. "Ausbreitung von optischen und THz-Plasmonen auf planaren und zylindrischen Wellenleitern / André Edelmann." Hagen : Fernuniversität Hagen, 2015. http://d-nb.info/1065828683/34.

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Books on the topic "Plasmonen"

1

Surface plasmon resonance: Methods and protocols. New York: Humana Press, 2010.

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Sönnichsen, Carsten. Plasmons in metal nanostructures. Göttingen: Cuvillier, 2001.

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Martín Becerra, Diana. Active Plasmonic Devices. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-48411-2.

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Becker, Jan. Plasmons as Sensors. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-31241-0.

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service), SpringerLink (Online, ed. Plasmons as Sensors. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012.

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V, Klimov V. Nanoplazmonika. Moskva: Fizmatlit, 2010.

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Wu, Bo, Nripan Mathews, and Tze-Chien Sum. Plasmonic Organic Solar Cells. Singapore: Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-2021-6.

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Mol, Nico J., and Marcel J. E. Fischer, eds. Surface Plasmon Resonance. Totowa, NJ: Humana Press, 2010. http://dx.doi.org/10.1007/978-1-60761-670-2.

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Brongersma, Mark L., and Pieter G. Kik, eds. Surface Plasmon Nanophotonics. Dordrecht: Springer Netherlands, 2007. http://dx.doi.org/10.1007/978-1-4020-4333-8.

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Schötz, Johannes. Attosecond Experiments on Plasmonic Nanostructures. Wiesbaden: Springer Fachmedien Wiesbaden, 2016. http://dx.doi.org/10.1007/978-3-658-13713-7.

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Book chapters on the topic "Plasmonen"

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Weichert, Frank, Constantin Timm, Marcel Gaspar, Alexander Zybin, Evgeny L. Gurevich, Heinrich Müller, and Peter Marwedel. "GPGPU-basierte Echtzeitdetektion von Nanoobjekten mittels Plasmonen-unterstützter Mikroskopie." In Bildverarbeitung für die Medizin 2011, 39–43. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-19335-4_10.

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Libuschewski, Pascal, Frank Weichert, and Constantin Timm. "Parameteroptimierte und GPGPU-basierte Detektion viraler Strukturen innerhalb Plasmonen-unterstützter Mikroskopiedaten." In Bildverarbeitung für die Medizin 2012, 237–42. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012. http://dx.doi.org/10.1007/978-3-642-28502-8_42.

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Tatsuma, Tetsu. "Plasmonic Electrochemistry (Surface Plasmon Effect)." In Encyclopedia of Applied Electrochemistry, 1591–94. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4419-6996-5_496.

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Dostalek, Jakub. "Plasmonic Amplification for Fluorescence Bioassays Utilizing Propagating Surface Plasmons." In Encyclopedia of Nanotechnology, 1–11. Dordrecht: Springer Netherlands, 2015. http://dx.doi.org/10.1007/978-94-007-6178-0_100986-1.

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Dostalek, Jakub. "Plasmonic Amplification for Fluorescence Bioassays Utilizing Propagating Surface Plasmons." In Encyclopedia of Nanotechnology, 3277–86. Dordrecht: Springer Netherlands, 2016. http://dx.doi.org/10.1007/978-94-017-9780-1_100986.

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Stöcker, W. "Plasmodien." In Springer Reference Medizin, 1903–4. Berlin, Heidelberg: Springer Berlin Heidelberg, 2019. http://dx.doi.org/10.1007/978-3-662-48986-4_2464.

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Stöcker, W. "Plasmodien." In Lexikon der Medizinischen Laboratoriumsdiagnostik, 1–2. Berlin, Heidelberg: Springer Berlin Heidelberg, 2017. http://dx.doi.org/10.1007/978-3-662-49054-9_2464-1.

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Junghanss, Thomas. "Plasmodien." In Lexikon der Infektionskrankheiten des Menschen, 637–43. Berlin, Heidelberg: Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-39026-8_851.

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Cleaves, Henderson James, Antonio Lazcano, Ismael Ledesma Mateos, Alicia Negrón-Mendoza, Juli Peretó, and Ervin Silva. "Plasmogeny." In Herrera's 'Plasmogenia' and Other Collected Works, 163–75. New York, NY: Springer New York, 2014. http://dx.doi.org/10.1007/978-1-4939-0736-6_3.

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Bertolotti, Mario, Concita Sibilia, and Angela Guzman. "Plasmons." In Evanescent Waves in Optics, 127–68. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-61261-4_5.

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Conference papers on the topic "Plasmonen"

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Srituravanich, W., N. Fang, C. Sun, S. Durant, M. Ambati, and X. Zhang. "Plasmonic Lithography." In ASME 2004 3rd Integrated Nanosystems Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/nano2004-46023.

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As the next-generation technology moves below 100 nm mark, the need arises for a capability of manipulation and positioning of light on the scale of tens of nanometers. Plasmonic optics opens the door to operate beyond the diffraction limit by placing a sub-wavelength aperture in an opaque metal sheet. Recent experimental works [1] demonstrated that a giant transmission efficiency (>15%) can be achieved by exciting the surface plasmons with artificially displaced arrays of sub-wavelength holes. Moreover the effectively short modal wavelength of surface plasmons opens up the possibility to overcome the diffraction limit in the near-field lithography. This shows promise in a revolutionary high throughput and high density optical lithography. In this paper, we demonstrate the feasibility of near-field nanolithography by exciting surface plasmon on nanostructures perforated on metal film. Plasmonic masks of hole arrays and “bull’s eye” structures (single hole surrounded by concentric ring grating) [2] are fabricated using Focused Ion Beam (FIB). A special index matching spacer layer is then deposited onto the masks to ensure high transmissivity. Consequently, an I-line negative photoresist is spun on the top of spacer layer in order to obtain the exposure results. A FDTD simulation study has been conducted to predict the near field profile [3] of the designed plasmonic masks. Our preliminary exposure test using these hole-array masks demonstrated 170 nm period dot array patterns, well beyond the resolution limit of conventional lithography using near-UV wavelength. Furthermore, the exposure result obtained from the bull’s eye structures indicated the characteristics of periodicity and polarization dependence, which confirmed the contribution of surface plasmons.

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2

Hwang, Hyunwoo, Won-Sup Lee, No-Cheol Park, Hyunseok Yang, Young-Pil Park, and Kyoung-Su Park. "Enhanced Air-Gap Control for High-Speed Plasmonic Lithography Using Solid Immersion Lens With Sharp-Ridge Nanoaperture." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-63336.

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Recently, plasmonic nanolithography is studied by many researchers (1, 2 and 3). This presented a low-cost and high-throughput approach to maskless nanolithography technique that uses a metallic sharp-ridge nanoaperture with a high strong nanometer-sized optical spot induced by surface plasmon resonance. However, these nanometer-scale spots generated by metallic nanoapertures are formed in only the near-field region, which makes it very difficult to pattern above the photoresist surface at high-speeds.

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3

Escobedo, C., A. G. Brolo, R. Gordon, and D. Sinton. "Nanofluidics Meets Plasmonics: Flow-Through Surface-Based Sensing." In ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels collocated with 3rd Joint US-European Fluids Engineering Summer Meeting. ASMEDC, 2010. http://dx.doi.org/10.1115/fedsm-icnmm2010-30176.

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Nanostructures exhibit both nanofluidic and nanophotonic phenomena that can be exploited in sensing applications. In the case of nanohole arrays, the role of surface plasmons on resonant transmission motivates their application as surface-based biosensors. Research to date, however, has focused on dead-ended (or ‘blind’) holes, and therefore failed to harness the benefits of nanoconfined transport combined with plasmonic sensing. A flow-through nanohole array format presented here enables biomarker sieving and rapid transport of reactants to the sensing surface. Proof of concept operation is demonstrated and compared with previous methods. The various transport mechanisms are characterized with the aim to utilize the metallic plasmonic nanostructure as an active element in concentrating as well as detecting analytes. The invited presentation will provide an overview of all our experimental, computational and analytical work in this area. This paper is focused on the analysis and evaluation of flow-through nanohole arrays for analyte sensing.

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4

Chen, Chen, Zhidong Du, and Liang Pan. "Nanoscale Thermal Transport in Plasmonic Nanofocusing Structure With Strong Nonlocality." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-37334.

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Nanoscale optical energy concentration and focusing is crucial for many high-throughput nanomanufacturing applications, such as material processing, imaging and lithography. The use of surface plasmons has resulted in the rapid development of nanofocusing devices and techniques at spatial confinements as good as a few nanometers associated with strong nonlocal plasmonic response. However, operations of these plasmonic nanofocusing structures usually require extremely high optical energy density at nanoscale, which leads to intense structure heating and causes unreliable device functions and short device lifetimes. In many plasmonic applications, optical heating has become a very important issue, which has not been investigated intensively yet. In these structures, the ballistic transport and interface scattering of the energy carriers both become significant because the characteristic lengths of the devices are comparable to or smaller than the mean free paths of the carriers. A comprehensive model is desired to understand the heat generation and transport inside the plasmonic nanofocusing structures. This work studied the electromagnetic and optothermal responses of plasmonic nanofocusing nanostructures. At the nanometer length scale, the local optical response and diffusive thermal model are no longer sufficient to describe the device optothermal response because of the strong interactions between energy carriers and the ballistic nature of carriers. Here, we used the hydrodynamic Drude model to consider the nonlocality of plasmonic response and calculate the heat generation inside the metallic nanostructures. Starting from Boltzmann transport equation, we derived the energy transport equations for both electron and phonon systems under the relaxation-time approximations. The obtained multi-carrier ballistic-diffusive model was used to study the non-equilibrium heat transports inside the structures. We assume that the ballistic electrons originate from boundaries and the electron-photon couplings inside the structure, experiencing out-scattering only in the material. The optically-generated “hot” electrons are considered as ballistic and are treated separately from the “ordinary” electrons which are in local thermal equilibrium and have significantly lower energies. Meanwhile, the electron-phonon couplings are considered under the non-equilibrium conditions between the electron and phonon systems. Using our model, we further investigated the transient optothermal responses of a one-dimensional (1D) plasmonic nanofocusing structure. In comparison to the diffusive transport description, our multi-carrier ballistic-diffusive model can more accurately describe the optothermal responses of the plasmonic nanofocusing structures which are crucial for predicting the performance and the lifetime of the plasmonic nanofocusing devices.

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5

Samsonoff, Nathan, and David Sinton. "Optofluidics for Energy: Fuel and Electricity From Plasmonically-Excited Photosynthetic Bacteria." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-66626.

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Microalgae have been demonstrated to be the only viable major biofuel avenue due to globally finite cropland[1]. Traditional photobioreactors used to cultivate microalgae and cyanobacteria for biofuel production are plagued by low cell density due to limited light penetration depth [2]. An optofluidic approach to cultivation of cyanobacteria provides an opportunity to overcome these difficulties by leveraging the inherent density advantages of biofilm growth [3]. A biophotovoltaic cell (BPV) is presented that is capable of high-density cultivation of cyanobacteria using surface plasmon resonance (SPR) enhanced evanescent fields as well as producing electrical power. This device, a photosynthetic-plasmonic-voltaic cell (PPV), demonstrated significant power output under direct illumination and plasmonic excitation and demonstrates for the first time the dual use of a gold film for photosystem excitation and electron harvesting. The techniques used in this device are amenable to scale up of an ultra-high density photobioreactor that is capable of coproducing electrical power and biofuel.

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6

Han, Li-Hsin, Arvind Battula, and Shaochen Chen. "Surface Plasmons in Light Interaction With Metallic Nanostructures and Applications." In ASME 2008 First International Conference on Micro/Nanoscale Heat Transfer. ASMEDC, 2008. http://dx.doi.org/10.1115/mnht2008-52289.

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In this invited paper, we present the surface plasmons effect as a result of light interaction with metallic nanostructures such as a gold nanosphere or an array of gold nano-slits. Numerical simulation using a finite difference time domain method coupled with Drude model revealed the light enhancement near the gold nanostructures due to the surface plasmon effect. Experimentally, we demonstrated such effect in laser deformation of a polymer shell coated with gold nanospheres. We also employed such enhanced light field for nanoscale lithography.

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7

Zheng, Yue Bing, Bala Krishna Juluri, and Tony Jun Huang. "Fabrication and Applications of Long-Range Ordered Au Nanodisk Arrays." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-67593.

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Large-scale nanostructure arrays with spatial coherence are useful for many applications. Conventional nanofabrication techniques such as electron beam lithography and focused ion beam lithography are expensive and time-consuming. In this paper, long-range ordered Au nanodisk arrays were fabricated on glass substrates using nanosphere lithography (NSL) combined with reactive ion etching (RIE) techniques. The morphology and size distribution of the Au nanodisks were examined with scanning electron microscopy (SEM) and atomic force microscopy (AFM). The sensitivity of the localized surface plasmon resonance (LSPR) of the Au nanodisk arrays to change in the surroundings’ refractive index was evaluated by integrating the Au nanodisk arrays into microfluidic channels. The measured sensitivity was supported by discrete dipole approximation (DDA) calculations. Further, we designed and fabricated an all-optical plasmonic switch based on the Au nanodisk arrays and photoresponsive liquid crystals (LCs). The high-quality optical properties and high-degree spatial uniformity of the nanodisk arrays, together with simple, low-cost fabrication and easy integration with microfluidic system, suggest tremendous potential in using these nanostructures in many other applications, including biosensing and imaging, surface-enhanced Raman spectroscopy (SERS), and plasmonic tweezers.

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Vasilevskiy, M. "MODELLING OF ENVIRONMENT SENSORS BASED ON THE SURFACE PLASMON RESONANCE EFFECT." In Mathematical modeling in materials science of electronic component. LLC MAKS Press, 2020. http://dx.doi.org/10.29003/m1516.mmmsec-2020/50-51.

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Surface plasmons (SPs) are collective excitations of free electrons in a conducting medium bounded by a surface or interface with a dielectric. They can originate surface plasmon-polaritons (SPPs), which are evanescent waves involving electron density oscillations and the associated electromagnetic (EM) field whose amplitude decays exponentially with distance from the surface. SPPs are characterised by a dispersion curve (frequency vs wavevector along the interface) that lies outside of the light cone, so they cannot be excited directly by propagating light; however, it is possible to excite them using the Attenuated Total internal Reflection (ATR) method or a periodic grating. SPs in a confined geometry such as a metallic sphere are localised in space and characterised by discrete frequencies (a single one in the case of sphere, two or three in the case of an ellipsoid). They can be excited directly by propagating light if its frequency coincides with the localised SP frequency, giving rise to the Localized Surface Plasmon Resonance (LSPR). Both SPPs and LSPR are highly sensitive to the dielectric constant of the surrounding media and can be used for environment sensing (e.g. gas molecules that adsorb onto the structure’s surface).

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Rono, Vincent, Matthew LePain, Rabia Hussain, David Keene, Maxim Durach, and Natalia Noginova. "Plasmon drag effect in plasmonic metasurfaces." In SPIE Nanoscience + Engineering, edited by Nader Engheta, Mikhail A. Noginov, and Nikolay I. Zheludev. SPIE, 2015. http://dx.doi.org/10.1117/12.2190304.

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Palombo, Nola, Timothy Walsh, Jungchul Lee, and Keunhan Park. "Experimental Study of Enhancement and Quenching of Plasmon-Controlled Fluorescence Using Quantum Dot–Plasmonic Nanoparticle Mixtures in Aqueous Medium." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-89642.

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This article reports the enhancement and quenching of quantum dot (QD) emission for different concentrations of plasmonic nanoparticles (PNPs) by utilizing the Brownian motion-induced dynamic near-field interactions in aqueous solution. We measured the fluorescence spectrum of two types of QD-PNP mixtures. The first mixture was QDs (525 nm for emission wavelength) and gold nanoparticles dispersed in distilled water, where the emission wavelength of the QDs matches the localized surface plasmon (LSP) excitation wavelength of the gold nanoparticles. The second mixture was QDs (655 nm for emission wavelength) and silver nanoparticles dispersed in distilled water, where LSPs excited at the wavelength of 392 nm affect the excitation of the QDs. For both experiments, the QD emission spectra were monitored while changing the concentration of the PNPs from 108 to 1011 /mL for a fixed concentration of QDs at 1 × 1013 /mL. For low PNP concentrations, the QD emission was enhanced for 30 nm gold nanoparticles and 80 nm silver nanoparticles; however, for high PNP concentrations, the QD emission was always quenched. This research reveals the dependence of the QD fluorescence on the concentration of PNPs. The obtained results will be beneficial in further understanding plasmonic interactions between QDs and nanoparticles and the manipulation of QD emission, switching from enhancement to quenching or vice versa, with the alteration of nanoparticle concentration.

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Reports on the topic "Plasmonen"

1

Passmore, Brandon Scott, Eric Arthur Shaner, and Todd A. Barrick. Plasmonic filters. Office of Scientific and Technical Information (OSTI), September 2009. http://dx.doi.org/10.2172/973849.

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2

Mirkin, Chad. Plasmonic Encoding. Fort Belvoir, VA: Defense Technical Information Center, October 2014. http://dx.doi.org/10.21236/ada614625.

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3

Alivisatos, A. P., Gabor A. Somorjai, and Peidong Yang. Plasmonic-Enhanced Catalysis. Fort Belvoir, VA: Defense Technical Information Center, May 2012. http://dx.doi.org/10.21236/ada576759.

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Peale, Robert E. Plasmonic-Electronic Transduction. Fort Belvoir, VA: Defense Technical Information Center, January 2012. http://dx.doi.org/10.21236/ada566284.

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Jin, Rongchao. On the Evolution from Non-Plasmonic Metal Nanoclusters to Plasmonic Nanocrystals. Fort Belvoir, VA: Defense Technical Information Center, September 2014. http://dx.doi.org/10.21236/ada611094.

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Atwater, Harry A. Plasmonic Devices and Materials. Fort Belvoir, VA: Defense Technical Information Center, June 2005. http://dx.doi.org/10.21236/ada442370.

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Ning, Cun-Zheng, Shun-Lien Chuang, Peidong Yang, Ming Wu, and Connie Chang-Hasnain. Plasmonic Bowtie Antenna Nanolaser. Fort Belvoir, VA: Defense Technical Information Center, May 2014. http://dx.doi.org/10.21236/ada605323.

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8

Subramania, Ganapathi Subramanian, John Louis Reno, Brandon Scott Passmore, Tom Harris, Eric Arthur Shaner, and Todd A. Barrick. Plasmonic enhanced ultrafast switch. Office of Scientific and Technical Information (OSTI), September 2009. http://dx.doi.org/10.2172/973847.

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9

Polyakov, Aleksandr. Plasmon Enhanced Photoemission. Office of Scientific and Technical Information (OSTI), May 2012. http://dx.doi.org/10.2172/1182733.

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10

Hasselbeck, M. P., L. A. Schlie, and D. Stalnaker. Coherent Plasmons in InSb. Fort Belvoir, VA: Defense Technical Information Center, January 2004. http://dx.doi.org/10.21236/ada430825.

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