Academic literature on the topic 'Surface plasmon resonance. Raman effect, Surface enhanced. Nanoparticles'
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Journal articles on the topic "Surface plasmon resonance. Raman effect, Surface enhanced. Nanoparticles"
Fleger, Y., and M. Rosenbluh. "Surface Plasmons and Surface Enhanced Raman Spectra of Aggregated and Alloyed Gold-Silver Nanoparticles." Research Letters in Optics 2009 (2009): 1–5. http://dx.doi.org/10.1155/2009/475941.
Full textZhang, Jie, Yu Lin Chen, Tuo Fan, and Yong Zhu. "Large Area Au Decorated Multi-Walled CNTs Film for Surface Enhanced Raman Scattering." Key Engineering Materials 562-565 (July 2013): 826–31. http://dx.doi.org/10.4028/www.scientific.net/kem.562-565.826.
Full textKassim, Syara, Nor Abidah Mukhtar, and Rabiatul Addawiyah Azwa Tahrin. "Synthesis and Characterization of Plasmon-Enhanced SERS Substrate Based on Au-Ag Alloy-Coated, Large-Area Photonic (Methyl Methacrylate+Styrene) Co-Polymer." Materials Science Forum 982 (March 2020): 14–19. http://dx.doi.org/10.4028/www.scientific.net/msf.982.14.
Full textLiu, Runcheng, Zhipeng Zha, Muhammad Shafi, et al. "Bulk plasmon polariton in hyperbolic metamaterials excited by multilayer nanoparticles for surface-enhanced Raman scattering (SERS) sensing." Nanophotonics 10, no. 11 (2021): 2949–58. http://dx.doi.org/10.1515/nanoph-2021-0301.
Full textHuang, Chien Wen, Yao Wu Hao, James Nyagilo, Digant P. Dave, Li Feng Xu, and Xian Kai Sun. "Porous Hollow Gold Nanoparticles for Cancer SERS Imaging." Journal of Nano Research 10 (April 2010): 137–48. http://dx.doi.org/10.4028/www.scientific.net/jnanor.10.137.
Full textXiaodan, Wei, Zheng Dawei, Zhang Ping, Lin Taifeng, Wang Huiqin, and Zhu Yongwei. "Surface-enhanced Raman scattering investigation of bovine serum albumin by Au nanoparticles with different sizes." Journal of Applied Biomaterials & Functional Materials 16, no. 1_suppl (2018): 157–62. http://dx.doi.org/10.1177/2280800017753055.
Full textWang, Fengyan, Daxue Du, Shan Liu, et al. "Revealing the Hemispherical Shielding Effect of SiO2@Ag Composite Nanospheres to Improve the Surface Enhanced Raman Scattering Performance." Nanomaterials 11, no. 9 (2021): 2209. http://dx.doi.org/10.3390/nano11092209.
Full textKim, Seokho, Bo-Hyun Kim, Young Ki Hong, et al. "In Situ Enhanced Raman and Photoluminescence of Bio-Hybrid Ag/Polymer Nanoparticles by Localized Surface Plasmon for Highly Sensitive DNA Sensors." Polymers 12, no. 3 (2020): 631. http://dx.doi.org/10.3390/polym12030631.
Full textVillegas Borrero, Nelson Fabian, José Maria Clemente da Silva Filho, Viktor A. Ermakov, and Francisco Chagas Marques. "Silver nanoparticles produced by laser ablation for a study on the effect of SERS with low laser power on N719 dye and Rhodamine-B." MRS Advances 4, no. 11-12 (2019): 723–31. http://dx.doi.org/10.1557/adv.2019.157.
Full textZhou, Huayu, Jingjing Wang, Qiong Yang, et al. "Controllable Electrochemical Synthesis of Ag Hierarchical Micro/Nanostructures with High SERS-Activity." Nano 15, no. 04 (2020): 2050043. http://dx.doi.org/10.1142/s1793292020500435.
Full textDissertations / Theses on the topic "Surface plasmon resonance. Raman effect, Surface enhanced. Nanoparticles"
Khaywah, Mohammad Yehia. "New ultrasensitive bimetallic substrates for surface enhanced Raman scattering." Thesis, Troyes, 2014. http://www.theses.fr/2014TROY0041/document.
Full textDriven by the interest in finding ultrasensitive sensors devices, reliable surface enhanced Raman scattering (SERS) based substrates are fabricated. Silver and gold nanoparticles are two of the best candidates for SERS substrates where Ag nanoparticles exhibit large enhancing ability in Raman intensity while Au nanostructures are stable in biological systems. Hence, combining the two metals in bimetallic nanostructures appeared to be a promising approach in order to sum the merits of Au surface properties and Ag enhancing ability. Thermal annealing of thin metallic films is used as a simple and relatively inexpensive technique to elaborate homogenous and reproducible Ag/Au bimetallic nanoparticles SERS substrates with high enhancing ability. The fabricated nanoparticles proved their enhancing stability even after one year of fabrication. Manipulating the composition of Ag/Au bimetallic NPs resulted in tuning the Localized Surface Plasmon Resonance (LSPR) over the whole visible spectrum, where the substrates are characterized with higher SERS enhancement when they exhibit LSPR closer to the Raman excitation wavelength. Additionally, bimetallic nanoparticles patterns with different size, composition and lattice constants have been conducted by electron beam lithography. The systematic study of their interesting plasmonic and SERS enhancing properties revealed maintenance in the LSPR-SERS relation by changing the nanoparticle size
Zin, Melvin T. "Self-assembly and nanofabrication approaches towards photonics and plasmonics /." Thesis, Connect to this title online; UW restricted, 2007. http://hdl.handle.net/1773/15502.
Full textDanilov, Artem. "Design, characterisation and biosensing applications of nanoperiodic plasmonic metamaterials." Thesis, Aix-Marseille, 2018. http://www.theses.fr/2018AIXM0110/document.
Full textThis thesis consideres novel promissing architechtures of plasmonic metamaterial for biosensing, including: (I) 2D periodic arrays of Au nanoparticles, which can support diffractively coupled surface lattice resonances; (II) 3D periodic arrays based on woodpile-assembly plasmonic crystals, which can support novel delocalized plasmonic modes over 3D structure. A systematic study of conditions of plasmon excitation, properties and sensitivity to local environment is presented. It is shown that such arrays can combine very high spectral sensitivity (400nm/RIU and 2600 nm/RIU, respectively) and exceptionally high phase sensitivity (> 105 deg./RIU) and can be used for the improvement of current state-of-the-art biosensing technology. Finally, a method for probing electric field excited by plasmonic nanostructures (single nanoparticles, dimers) is proposed. It is implied that this method will help to design structures for SERS, which will later be used as an additional informational channel for biosensing
Dorney, Kevin Michael. "A Chemical Free Approach for Increasing the Biochemical Surface-Enhanced Raman Spectroscopy (SERS)-Based Sensing Capabilities of Colloidal Silver Nanoparticles." Wright State University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=wright1401206511.
Full textWu, Tsunghsueh Shannon Curtis. "Surface plasmon assisted spectroscopies and their application in trace element analysis, the study of biomolecular interactions, and chemical sensing." Auburn, Ala., 2008. http://repo.lib.auburn.edu/EtdRoot/2008/SUMMER/Chemistry_and_Biochemistry/Dissertation/Wu_Tsung%20Hsueh_20.pdf.
Full textKhanafer, Maher. "Nanostructures métalliques organisées par auto-assemblage de polymère pour la détection d’espèces chimiques." Thesis, Troyes, 2015. http://www.theses.fr/2015TROY0003/document.
Full textThe recent advances in nanofabrication techniques have allowed for the emergence of novel sensing approaches. Amongst these various approaches, Surface Enhanced Raman Spectroscopy (SERS) via the use of plasmonic substrates has received wide-spread attention due to its many interesting proper-ties. In fact, plasmonic substrates enhance the Ra-man signal up to 12 orders of magnitude, paving the path for single molecule detection. Nevertheless, the sensitivity of this technique is strongly affected by the physical and structural properties of the metallic nanoparticles (MNPs). Thus, the mastering of the MNPs fabrication is a major challenge for various nanotechnological applications.In this context, we have developed a novel approach for the fabrication of organized NMPs through poly-mer self-assembly. The fabrication technique con-sists on controlling the physical interactions which occur during the fabrication through a nanophase separation in the polymer solution. This results in a nanostructuring of the polymer and a strong self-organization of the metallic precursor which is rapidly reduced into the MNPs. Experimental investigations of the different physical and chemical processes in play allow for a better understanding of the various keystone parameters of the nanostructuring as well as for determining their influences on the dimensions and optical response of MNPs. Finally, the fabricated plasmonic substrate demonstrated SERS limits of detection down to 10-13 M
Ludemann, Michael. "In situ Raman-Spektroskopie an Metallphthalocyaninen: Von ultradünnen Schichten zum organischen Feldeffekttransistor." Doctoral thesis, Universitätsbibliothek Chemnitz, 2016. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-206568.
Full textShu, Tzu-Ching, and 徐子晴. "The Research of Silver Nanoparticle Array for Surface-Enhanced Raman Spectroscopy : The Effect of Molecular Concentration and Surface Plasmon Resonance." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/gds5f2.
Full text國立東華大學
物理學系
106
The main enhancement mechanism of Surface Enhanced Raman Scattering (SERS) is chemical strengthening mechanism and electric field enhancement mechanism. When two metal nanoparticles get very close, they will couple each other. There will be an electric field enhancement between two particles, called a hot spot. In this experiment, the silver nanoparticle solution were prepared by chemical reduction method. After that, the silver nanoparticles were surface-modified with 8-mercapto-octanoic acid (MOA) molecules. Finally, the modified silver nanoparticles were arranged into a fixed-pitch array by centrifugation. Using the method of immersion and titration, the Rhodamine (R6G) molecule is adsorbed on the sample. The R6G molecule enters the gap between the nanoparticles and enhances the SERS signal. The SERS signal intensity of different density of R6G molecules on the silver nanoparticles array was measured. We found that the SERS signal intensity did not increase continuously with the increase of R6G concentration. When the R6G density is lower than 1⤫10^3 (molecule/ μm^2), the SERS signal intensity and concentration will be positive correlation. We assumed that the number of R6G molecules distributed near the hot spots increase as the concentration increase. When the concentration of R6G is higher than 1⤫10^3 (molecule/ μm^2). Instead, the SERS signal slightly decrease with the increase of R6G density. We suppose that high R6G molecule density lead to R6G molecules overlapping. As a result, the SERS signal will be decreased. In the above experiments, we use the Raman excitation light of two different wavelengths as the light source. The measured SERS signal intensity will change overall. However, it will not affect variation trend of the R6G density and the SERS signal intensity. Previous simulation have shown that Raman excitation light of different wavelengths affect the degree of electric field enhancement between silver nanoparticles. Therefore, the variation of the SERS signal with density may be explained by the degree and extent of electric field enhancement of the hot spot.
Faid, Rita. "Détection de protéines par diffusion Raman exaltée par effet de pointe (TERS)." Thèse, 2014. http://hdl.handle.net/1866/11462.
Full textMeasurement of the local concentration of chemical messengers secreted by cells may give a better understanding of molecular mechanisms related to different diseases, such as cancer metastasis. Current techniques are not suited to perform such measurements and thus, new analytical techniques must be developed. This Master’s thesis reports the development of a new technique based on the plasmonic response of atomic force microscopy (AFM) tips, which will ultimately allow monitoring of chemical and biological molecules on the surface of a cantilever by use of surface plasmon resonance (SPR) and tip-enhanced Raman scattering (TERS). Indeed, it is possible to localize the enhancement of the Raman signal on the AFM tip using principles associated to surface-enhanced Raman spectroscopy (SERS), based on the absorption of light by nanometer-sized metal particles, resulting in a large enhancement of the Raman signal. The AFM tip was constructed by the deposition of a nanometer-size gold layer, followed by the assembly of a biosensor with a biomolecular receptor. Gold nanoparticles (AuNPs) conjugated with a secondary antibody served as the secondary detection step. In addition, the use of the gold nanoparticles for antigen detection allows an amplification of the SPR and Raman signals. This Master’s thesis will demonstrate the development and validation of a biosensor for immunoglobuline G (IgG) at the tip of an AFM cantilever.This thesis sets the basis for future projects, where this new imaging technique will be developed for monitoring cellular communication by exploiting the plasmonic signal at the AFM tip. Different biosensors will then be developed and coupled to an AFM probe for scanning the chemical environment and detect in real-time chemical messengers secreted in the extracellular matrix in cellular communication.
Swanglap, Pattanawit. "Single Particle Studies on the Influence of the Environment on the Plasmonic Properties of Single and Assembled Gold Nanoparticles of Various Shapes." Thesis, 2013. http://hdl.handle.net/1911/72045.
Full textBook chapters on the topic "Surface plasmon resonance. Raman effect, Surface enhanced. Nanoparticles"
El-Kouedi, Mahnaz, and Christine D. Keating. "Biofunctionalized Nanoparticles for Surface-Enhanced Raman Scattering and Surface Plasmon Resonance." In Nanobiotechnology. Wiley-VCH Verlag GmbH & Co. KGaA, 2005. http://dx.doi.org/10.1002/3527602453.ch26.
Full textConference papers on the topic "Surface plasmon resonance. Raman effect, Surface enhanced. Nanoparticles"
Adams, Sarah M., and Regina Ragan. "Gold Nanoparticle Self Assembly on Diblock Copolymers for Application as Biomolecular Sensors." In ASME 2010 First Global Congress on NanoEngineering for Medicine and Biology. ASMEDC, 2010. http://dx.doi.org/10.1115/nemb2010-13126.
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