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Journal articles on the topic 'Monomolecular films. Nanostructured materials. Gold'

Author: Grafiati

Published: 4 June 2021

Last updated: 11 February 2022

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1

KHOMUTOV, G. B., M. N. ANTIPINA, A. N. SERGEEV-CHERENKOV, A. A. RAKHNYANSKAYA, M. ARTEMYEV, D. KISIEL, R. V. GAINUTDINOV, A. L. TOLSTIKHINA, and V. V. KISLOV. "ORGANIZED PLANAR NANOSTRUCTURES VIA INTERFACIAL SELF-ASSEMBLY AND DNA TEMPLATING." International Journal of Nanoscience 03, no. 01n02 (February 2004): 65–74. http://dx.doi.org/10.1142/s0219581x04001821.

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The methods are presented for fabrication of new nanoscale-organized planar inorganic nanostructures, ultrathin polymeric and nanocomposite films on solid substrates with incorporated nanosized functional and structural building blocks. The methods are based on interfacial synthesis and self-assembly, DNA templating and scaffolding. Ultimately thin monomolecular and multilayer ordered stable polymeric and nanocomposite films containing incorporated ligand-stabilized gold nanoclusters, interfacially in-film grown metallic ( Au , Pd ) nanoparticles and organized low-dimensional nanostructures were formed. N-alkylated derivatives of poly(4-vinilpyridine) were synthesized and used as water-insoluble amphiphilic polycations to form organized polymeric Langmuir monolayers and novel planar DNA/amphiphilic polycation complexes at the air–aqueous DNA solution interface. The extended net-like and quasi-circular toroidal condensed conformations of deposited planar DNA/amphiphilic polycation complexes were obtained in dependence on the amphiphilic polycation monolayer state during the DNA binding. Planar DNA/amphiphilic polycation complexes were used as nanotemplates for fabrication of organized planar bio-organic–inorganic hybrid nanostructures with ordered nanophase inorganic components (quasi-one-dimensional arrays of semiconductor (CdS) and iron oxide nanoparticles and nanorods) organized in planar matrix of deposited DNA/amphiphilic polycation complex film. The formed nanostructures were characterized by atomic force microscopy and transmission electron microscopy techniques.

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2

Salvadori, M. C., A. R. Vaz, L. L. Melo, and M. Cattani. "Nanostructured Gold Thin Films: Young Modulus Measurement." Surface Review and Letters 10, no. 04 (August 2003): 571–75. http://dx.doi.org/10.1142/s0218625x03005323.

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We have uniformly coated the cantilever of an atomic force microscope (AFM) with gold thin films. These films are nanostructured with thickness going from 19 to 62 nm. The resonance frequencies of this cantilever have been measured, before and after the Au coatings. Taking into account these frequencies and the vibrating beam theory, we determined the Young modulus of the Au films, obtaining E2 = 69.1 ± 2.6 GPa , i.e. about 12% lower than the respective bulk elastic modulus.

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3

Huh, Mongyoung, Mario Gauthier, and Seok Il Yun. "Monomolecular films of arborescent polystyrene–graft–poly(2-vinylpyridine) copolymers: Precursors to nanostructured carbon materials." European Polymer Journal 95 (October 2017): 575–80. http://dx.doi.org/10.1016/j.eurpolymj.2017.08.040.

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4

Irissou, Eric, Boris Le Drogoff, Mohammed Chaker, Michel Trudeau, and Daniel Guay. "Nanostructured Gold Thin Films Prepared by Pulsed Laser Deposition." Journal of Materials Research 19, no. 3 (March 2004): 950–58. http://dx.doi.org/10.1557/jmr.2004.19.3.950.

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A structural and morphological study of nanostructured gold thin films prepared by pulsed laser deposition in the presence of several inert background gases (Ar, He, and N2) and at various pressures (from 10 mTorr to 1 Torr) and target-to-substrate distances (from 1 to 10 cm) is presented. Structural and morphological analyses were undertaken using semiquantitative x-ray diffraction, scanning tunneling microscopy, and transmission electron microscopy. For each set of deposition conditions, the kinetic energy of the neutral gold species [Au(I)] present in the plasma plume was determined by time-of-flight emission spectroscopy and used to characterize the plasma dynamics. It is shown that all films exhibit a transition from highly [111] oriented to polycrystalline as the Au(I) kinetic energy decreases. The polycrystalline phase ratio is close to 0% for Au(I) kinetic energy larger than approximately 3.0 eV/atom and approximately 86 ± 10% for Au(I) kinetic energy smaller than approximately 0.30 eV/atom, irrespective of the background gas atmosphere. The mean crystallite size of both phases and the mean roughness of the films also follow a unique relation with the Au(I) kinetic energy, independently of the nature of the background gas, and nanocrystalline films with crystallite size as small as 12 nm are obtained for Au(I) kinetic energy smaller than 0.3 eV/atom.

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5

Ballav, Nirmalya, Patrick Koelsch, and Michael Zharnikov. "Orientation and Ordering in Monomolecular Films of Sulfur-Modified Homo-oligonucleotides on Gold." Journal of Physical Chemistry C 113, no. 42 (September 28, 2009): 18312–20. http://dx.doi.org/10.1021/jp906896w.

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6

MELO, L. L., M. C. SALVADORI, and M. CATTANI. "MEASUREMENT OF CRITICAL EXPONENTS OF NANOSTRUCTURED GOLD THIN FILMS." Surface Review and Letters 10, no. 06 (December 2003): 903–8. http://dx.doi.org/10.1142/s0218625x03005694.

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We have fabricated gold thin films by metal plasma ion deposition on silicon substrates. The roughness of these nanostructured films has been measured by scanning tunneling microscopy (STM) and we have determined the growth dynamics critical exponents. We have also measured the grain sizes as a function of the film thickness.

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7

SALVADORI, M. C., A. R. VAZ, R. J. C. FARIAS, and M. CATTANI. "ELECTRICAL RESISTIVITY OF NANOSTRUCTURED PLATINUM AND GOLD THIN FILMS." Surface Review and Letters 11, no. 02 (April 2004): 223–27. http://dx.doi.org/10.1142/s0218625x04006086.

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We have measured, at room temperature, the resistivity, the surface roughness and the lateral surface correlation lengths of nanostructured platinum and gold thin films. The films' thickness d, deposited by vacuum arc plasma, is in the range 1.31≤d≤11.66 nm for platinum and 1.77≤d≤10.46 nm for gold. A theoretical estimate of our experimental data has been made.

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8

Vidu, Ruxandra, Simon Li, Dat V. Quach, and Pieter Stroeve. "Electrochemical deposition of Co–Sb thin films on nanostructured gold." Journal of Applied Electrochemistry 42, no. 5 (March 30, 2012): 333–39. http://dx.doi.org/10.1007/s10800-012-0401-9.

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9

Zak, Jerzy, Hongping Yuan, Mankit Ho, L. Keith Woo, and Marc D. Porter. "Thiol-derivatized metalloporphyrins: monomolecular films for the electrocatalytic reduction of dioxygen at gold electrodes." Langmuir 9, no. 11 (November 1993): 2772–74. http://dx.doi.org/10.1021/la00035a006.

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10

Jayaraman, Sundaramurthy, Liew Ting Yu, and M. P. Srinivasan. "Polythiophene–gold nanoparticle hybrid systems: Langmuir–Blodgett assembly of nanostructured films." Nanoscale 5, no. 7 (2013): 2974. http://dx.doi.org/10.1039/c3nr33385j.

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11

Abdelsalam, Mamdouh. "Surface enhanced raman scattering of aromatic thiols adsorbed on nanostructured gold surfaces." Open Chemistry 7, no. 3 (September 1, 2009): 446–53. http://dx.doi.org/10.2478/s11532-009-0032-0.

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AbstractIn this paper we describe the use of a simple and versatile technique of templated electrodeposition through polystyrene sphere templates to produce nanostructured films of gold with regular submicron spherical holes arranged in a hexagonal close-packed structure. The templates were produced by self assembly of a monodispersed suspension of polystyrene spheres on gold substrates using capillary forces. The self assembly process was modified through the chemical modification of the gold substrate with cysteamine thiol. Films of gold were prepared by electrochemical deposition through the template. The electrochemical deposition charge and the current time curve were used to control the film height with a precision of approximately 10 nm. The colour of the nanostructured films changed as the film thickness was changed. Surface enhanced Raman Scattering spectra were recorded and used to identify very low concentrations of aromatic thiol molecules, 4-Nitrobenzenethiol (4-NBT) and 4-Aminobenzenethiol (4-ABT), adsorbed on the surface of the nanostructured gold substrates.

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12

Behera, Gangadhar, and S. Anantha Ramakrishna. "Polarization dependent enhanced infrared transmission through complementary nanostructured gold films." Journal of Optics 18, no. 5 (March 22, 2016): 055103. http://dx.doi.org/10.1088/2040-8978/18/5/055103.

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13

Zhu, Jianzhong, Giovanni Zangari, and Michael L. Reed. "Tailoring the Wetting Properties of Surface-Modified Nanostructured Gold Films." Journal of Physical Chemistry C 115, no. 34 (August 5, 2011): 17097–101. http://dx.doi.org/10.1021/jp204978m.

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14

Yevtushenko, O., H. Natter, and R. Hempelmann. "Grain-growth kinetics of nanostructured gold." Thin Solid Films 515, no. 1 (September 2006): 353–56. http://dx.doi.org/10.1016/j.tsf.2005.12.098.

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15

Long, Pham Duy, Dang Tran Chien, Nguyen Thanh Trung, Nguyen Si Hieu, Le Ha Chi, Vu Van Cat, and Vu Dinh Lam. "Plasmonic Effect Enhanced Photocurrent in Nanostructured TiO2 Films Decorated with Gold Nanoparticles." Journal of Electronic Materials 46, no. 7 (March 17, 2017): 4448–54. http://dx.doi.org/10.1007/s11664-017-5436-6.

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16

Gao, Chao, D. Kuhlmann-Wisldorf, and D. D. Makel. "Moisture Effects Including Stiction Resulting From Adsorbed Water Films." Journal of Tribology 114, no. 1 (January 1, 1992): 174–80. http://dx.doi.org/10.1115/1.2920857.

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Stiction resulting from moisture effects at small elastic contact spots has been identified and studied using bundles of fine, gold-plated copper fibers sliding on a gold-plated copper surface. The relevant measurements were made in the hoop apparatus which permits simultaneous monitoring of the momentary coefficient of friction and electrical contact resistance. Previous studies made with the hoop apparatus have shown that under the action of high local pressure, adsorbed moisture is expelled from between the contact spots leaving only one monomolecular layer of adsorbed water on each of the contacting surfaces. Additional details of the observations are varied and permit a refined analysis. Stiction results during periods of very slow motion or rest through local energy reduction at the spots as excess water is slowly drained in the course of molecular ordering of the two absorbed layers. Complex variations of kinetic friction with humidity and sliding speed are explained through the interplay of excess molecules between the contact spot surfaces, meniscus formation, fluid drag about the spots, and shear thinning in that flow.

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17

Wang, Yong, Michael Becker, Li Wang, Jinquan Liu, Roland Scholz, Juan Peng, Ulrich Gösele, Silke Christiansen, Dong Ha Kim, and Martin Steinhart. "Nanostructured Gold Films for SERS by Block Copolymer-Templated Galvanic Displacement Reactions." Nano Letters 9, no. 6 (June 10, 2009): 2384–89. http://dx.doi.org/10.1021/nl900939y.

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18

Silverwood, I. P., S. M. Rogers, S. K. Callear, S. F. Parker, and C. R. A. Catlow. "Correction: Evidence for a surface gold hydride on a nanostructured gold catalyst." Chemical Communications 52, no. 11 (2016): 2412. http://dx.doi.org/10.1039/c6cc90049f.

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19

Zhao, Jianli, Andreas Terfort, and Michael Zharnikov. "Gold Nanoparticle Patterning on Monomolecular Chemical Templates Fabricated by Irradiation-Promoted Exchange Reaction." Journal of Physical Chemistry C 115, no. 29 (July 6, 2011): 14058–66. http://dx.doi.org/10.1021/jp202758e.

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20

Jalilian, Zahra, and Saeideh Edalati-Boostan. "Negative permittivity and permeability of gold nanostructured thin films in UV–vis region." Journal of Nanophotonics 12, no. 03 (July 26, 2018): 1. http://dx.doi.org/10.1117/1.jnp.12.036004.

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21

Agarwal, N. R., M. Tommasini, E. Fazio, F. Neri, R. C. Ponterio, S. Trusso, and P. M. Ossi. "SERS activity of silver and gold nanostructured thin films deposited by pulsed laser ablation." Applied Physics A 117, no. 1 (April 6, 2014): 347–51. http://dx.doi.org/10.1007/s00339-014-8401-8.

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22

Mähringer, Andre, Julian M. Rotter, and Dana D. Medina. "Nanostructured and oriented metal–organic framework films enabling extreme surface wetting properties." Beilstein Journal of Nanotechnology 10 (October 9, 2019): 1994–2003. http://dx.doi.org/10.3762/bjnano.10.196.

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We report on the synthesis of highly oriented and nanostructured metal–organic framework (MOF) films featuring extreme surface wetting properties. The Ni- and Co- derivatives of the metal–catecholate series (M-CAT-1) were synthesized as highly crystalline bulk materials and thin films. Oriented pillar-like nanostructured M-CAT-1 films exhibiting pronounced needle-like morphology on gold substrates were established by incorporating a crystallization promoter into the film synthesis. These nanostructured M-CAT-1 MOF films feature extreme wetting phenomena, specifically superhydrophilic and underwater superoleophobic properties with water and underwater oil-contact angles of 0° and up to 174°, respectively. The self-cleaning capability of the nanostructured, needle-like M-CAT-1 films was illustrated by measuring time-dependent oil droplet rolling-off a tilted surface. The deposition of the nanostructured Ni-CAT-1 film on a large glass substrate allowed for the realization of an efficient, transparent, antifog coating, enabling a clear view even at extreme temperature gaps up to ≈120 °C. This work illustrates the strong link between MOF film morphology and surface properties based on these framework materials.

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23

Tielens, F., J. Andrés, M. Van Brussel, C. Buess-Hermann, and P. Geerlings. "DFT Study of Oxygen Adsorption on Modified Nanostructured Gold Pyramids." Journal of Physical Chemistry B 109, no. 16 (April 2005): 7624–30. http://dx.doi.org/10.1021/jp0501897.

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24

Dolci, Mathias, Jean-François Bryche, Cedric Leuvrey, Spyridon Zafeiratos, Simon Gree, Sylvie Begin-Colin, Gregory Barbillon, and Benoit P. Pichon. "Robust clicked assembly based on iron oxide nanoparticles for a new type of SPR biosensor." Journal of Materials Chemistry C 6, no. 34 (2018): 9102–10. http://dx.doi.org/10.1039/c8tc01166d.

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A novel strategy to create an original nanostructured SPR biosensor with enhanced sensitivity is reported. Iron oxide nanoparticle assemblies with tunable structure and decorated with bio receptors were grafted onto gold thin films by taking advantage of “click” chemistry.

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25

Mercante, Luiza A., Vanessa P. Scagion, Adriana Pavinatto, Rafaela C. Sanfelice, Luiz H. C. Mattoso, and Daniel S. Correa. "Electronic Tongue Based on Nanostructured Hybrid Films of Gold Nanoparticles and Phthalocyanines for Milk Analysis." Journal of Nanomaterials 2015 (2015): 1–7. http://dx.doi.org/10.1155/2015/890637.

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The use of gold nanoparticles combined with other organic and inorganic materials for designing nanostructured films has demonstrated their versatility for various applications, including optoelectronic devices and chemical sensors. In this study, we reported the synthesis and characterization of gold nanoparticles stabilized with poly(allylamine hydrochloride) (Au@PAH NPs), as well as the capability of this material to form multilayer Layer-by-Layer (LbL) nanostructured films with metal tetrasulfonated phthalocyanines (MTsPc). Film growth was monitored by UV-Vis absorption spectroscopy, atomic force microscopy (AFM), and Fourier transform infrared spectroscopy (FTIR). Once LbL films have been applied as active layers in chemical sensors, Au@PAH/MTsPc and PAH/MTsPc LbL films were used in an electronic tongue system for milk analysis regarding fat content. The capacitance data were treated using Principal Component Analysis (PCA), revealing the role played by the gold nanoparticles on the LbL films electrical properties, enabling this kind of system to be used for analyzing complex matrices such as milk without any prior pretreatment.

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26

Piotrowski, Piotr, Joanna Pawłowska, Jan Pawłowski, Agnieszka Więckowska, Renata Bilewicz, and Andrzej Kaim. "Nanostructured films of in situ deprotected thioacetyl-functionalized C60-fullerenes on a gold surface." Journal of Materials Chemistry A 2, no. 7 (2014): 2353. http://dx.doi.org/10.1039/c3ta13844e.

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27

Pinto, Giulia, Paolo Canepa, Claudio Canale, Maurizio Canepa, and Ornella Cavalleri. "Morphological and Mechanical Characterization of DNA SAMs Combining Nanolithography with AFM and Optical Methods." Materials 13, no. 13 (June 27, 2020): 2888. http://dx.doi.org/10.3390/ma13132888.

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The morphological and mechanical properties of thiolated ssDNA films self-assembled at different ionic strength on flat gold surfaces have been investigated using Atomic Force Microscopy (AFM). AFM nanoshaving experiments, performed in hard tapping mode, allowed selectively removing molecules from micro-sized regions. To image the shaved areas, in addition to the soft contact mode, we explored the use of the Quantitative Imaging (QI) mode. QI is a less perturbative imaging mode that allows obtaining quantitative information on both sample topography and mechanical properties. AFM analysis showed that DNA SAMs assembled at high ionic strength are thicker and less deformable than films prepared at low ionic strength. In the case of thicker films, the difference between film and substrate Young’s moduli could be assessed from the analysis of QI data. The AFM finding of thicker and denser films was confirmed by X-Ray Photoelectron Spectroscopy (XPS) and Spectroscopic Ellipsometry (SE) analysis. SE data allowed detecting the DNA UV absorption on dense monomolecular films. Moreover, feeding the SE analysis with the thickness data obtained by AFM, we could estimate the refractive index of dense DNA films.

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28

Ghatak, J., B. Sundaravel, K. G. M. Nair, and P. V. Satyam. "Flux dependent 1.5 MeV self-ion beam-induced sputtering from gold nanostructured thin films." Journal of Physics D: Applied Physics 41, no. 16 (July 21, 2008): 165302. http://dx.doi.org/10.1088/0022-3727/41/16/165302.

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29

Zhu, Yujie, and Jose Moran-Mirabal. "Highly Bendable and Stretchable Electrodes Based on Micro/Nanostructured Gold Films for Flexible Sensors and Electronics." Advanced Electronic Materials 2, no. 3 (January 19, 2016): 1500345. http://dx.doi.org/10.1002/aelm.201500345.

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30

da Silva, B. A., P. A. Antunes, D. Pasquini, A. A. S. Curvelo, R. F. Aroca, A. Riul, and C. J. L. Constantino. "Nanostructured Films Employed as Sensing Units in an "Electronic Tongue" System." Journal of Nanoscience and Nanotechnology 7, no. 2 (February 1, 2007): 510–14. http://dx.doi.org/10.1166/jnn.2007.107.

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Nanostructured films of lignin (macromolecule extracted from sugar cane bagasse), polypyrrole (conducting polymer) and bis butylimido perylene (organic dye) were used in the detection of trace levels of fluorine (from H2SiF6), chlorine (from NaClO), Pb+2, Cu+2, and Cd+2 in aqueous solutions. Langmuir monolayers on ultrapure water were characterised by surface pressure-mean molecular area (Π-A) isotherms. Langmuir-Blodgett (LB) films were transferred onto gold interdigitated electrodes and used as individual sensing units of an electronic tongue system. Impedance spectroscopy measurements were taken with the sensor immersed into aqueous solutions containing the ions described above in different molar concentrations. Fourier transform infrared absorption (FTIR) was employed to identify possible interactions between the LB films and the analytes in solution, and no significant changes could be observed in the FTIR spectra of BuPTCD and Ppy. Therefore, the results for lignin point to an interaction involving the electronic cloud of the phenyl groups with the metallic ions.

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31

da Silva, B. A., P. A. Antunes, D. Pasquini, A. A. S. Curvelo, R. F. Aroca, A. Riul, and C. J. L. Constantino. "Nanostructured Films Employed as Sensing Units in an "Electronic Tongue" System." Journal of Nanoscience and Nanotechnology 7, no. 2 (February 1, 2007): 510–14. http://dx.doi.org/10.1166/jnn.2007.18043.

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Nanostructured films of lignin (macromolecule extracted from sugar cane bagasse), polypyrrole (conducting polymer) and bis butylimido perylene (organic dye) were used in the detection of trace levels of fluorine (from H2SiF6), chlorine (from NaClO), Pb+2, Cu+2, and Cd+2 in aqueous solutions. Langmuir monolayers on ultrapure water were characterised by surface pressure-mean molecular area (Π-A) isotherms. Langmuir-Blodgett (LB) films were transferred onto gold interdigitated electrodes and used as individual sensing units of an electronic tongue system. Impedance spectroscopy measurements were taken with the sensor immersed into aqueous solutions containing the ions described above in different molar concentrations. Fourier transform infrared absorption (FTIR) was employed to identify possible interactions between the LB films and the analytes in solution, and no significant changes could be observed in the FTIR spectra of BuPTCD and Ppy. Therefore, the results for lignin point to an interaction involving the electronic cloud of the phenyl groups with the metallic ions.

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32

Padeste, Celestino, Sebastian Kossek, Hans W. Lehmann, Christian R. Musil, Jens Gobrecht, and Louis Tiefenauer. "Fabrication and Characterization of Nanostructured Gold Electrodes for Electrochemical Biosensors." Journal of The Electrochemical Society 143, no. 12 (December 1, 1996): 3890–95. http://dx.doi.org/10.1149/1.1837312.

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33

Giudicatti, Silvia, Andrea Valsesia, Franco Marabelli, Pascal Colpo, and François Rossi. "Plasmonic resonances in nanostructured gold/polymer surfaces by colloidal lithography." physica status solidi (a) 207, no. 4 (March 1, 2010): 935–42. http://dx.doi.org/10.1002/pssa.200925579.

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34

Menezes, Lucivaldo R., Guilherme Sombrio, Claudia A. Costa, Julia D. Bronzato, Tiago Rodrigues, José A. Souza, and Iseli L. Nantes-Cardoso. "Nanostructured Hematite Decorated with Gold Nanoparticles for Functionalization and Biocompatibility." physica status solidi (a) 217, no. 5 (November 13, 2019): 1900589. http://dx.doi.org/10.1002/pssa.201900589.

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35

Menezes, Lucivaldo R., Guilherme Sombrio, Claudia A. Costa, Julia D. Bronzato, Tiago Rodrigues, José A. Souza, and Iseli L. Nantes-Cardoso. "Nanostructured Hematite Decorated with Gold Nanoparticles for Functionalization and Biocompatibility." physica status solidi (a) 217, no. 5 (March 2020): 2070021. http://dx.doi.org/10.1002/pssa.202070021.

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36

Tsai, Chung-Che, and Gou-Jen Wang. "A Glucose Biosensor Based on a 3D Nanostructured Gold Electrode." Journal of The Electrochemical Society 160, no. 1 (November 6, 2012): B1—B5. http://dx.doi.org/10.1149/2.035301jes.

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37

CATTANI, M., and M. C. SALVADORI. "CONTRIBUTION OF THE MORPHOLOGICAL GRAIN SIZES TO THE ELECTRICAL RESISTIVITY OF PLATINUM AND GOLD THIN FILMS." Surface Review and Letters 11, no. 04n05 (August 2004): 463–67. http://dx.doi.org/10.1142/s0218625x04006396.

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We have measured the morphological grain sizes of nanostructured platinum and gold thin films. In previous works their electrical resistivities have been measured and a theoretical approach was proposed to explain the resistivity experimental data. It will be shown that within the framework of our theoretical approach, the morphological grain sizes play an essential role in the electrical resistivity of these metallic thin films.

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38

Chah, S., J. H. Fendler, and J. Yi. "Nanostructured Gold Hollow Microspheres Prepared on Dissolvable Ceramic Hollow Sphere Templates." Journal of Colloid and Interface Science 250, no. 1 (June 2002): 142–48. http://dx.doi.org/10.1006/jcis.2002.8328.

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39

Stokes, Robert J., Alexandra Macaskill, Jennifer A. Dougan, Philip G. Hargreaves, Helen M. Stanford, W. Ewen Smith, Karen Faulds, and Duncan Graham. "Highly sensitive detection of dye-labelled DNA using nanostructured gold surfaces." Chemical Communications, no. 27 (2007): 2811. http://dx.doi.org/10.1039/b705873j.

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40

Pudasaini, Pushpa Raj, and Arturo A. Ayon. "Nanostructured thin film silicon solar cells efficiency improvement using gold nanoparticles." physica status solidi (a) 209, no. 8 (May 16, 2012): 1475–80. http://dx.doi.org/10.1002/pssa.201228022.

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41

Bello Rodriguez, Belen, André Schneider, and Achim Walter Hassel. "Preparation of Ultramicroelectrode Array of Gold Hemispheres on Nanostructured NiAl–Re." Journal of The Electrochemical Society 153, no. 1 (2006): C33. http://dx.doi.org/10.1149/1.2130567.

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42

Terasaki, Nao, Masako Iwai, Noritaka Yamamoto, Takashi Hiraga, Sunao Yamada, and Yasunori Inoue. "Photocurrent generation properties of Histag-photosystem II immobilized on nanostructured gold electrode." Thin Solid Films 516, no. 9 (March 2008): 2553–57. http://dx.doi.org/10.1016/j.tsf.2007.04.127.

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43

Santhosh, Chella, Murugan Saranya, Rajendran Ramachandran, Sathiyanathan Felix, Venugopal Velmurugan, and Andrews Nirmala Grace. "Graphene/Gold Nanocomposites-Based Thin Films as an Enhanced Sensing Platform for Voltammetric Detection of Cr(VI) Ions." Journal of Nanotechnology 2014 (2014): 1–7. http://dx.doi.org/10.1155/2014/304526.

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A highly sensitive and selective Cr(VI) sensor with graphene-based nanocomposites film as an enhanced sensing platform is reported. The detection of chromium species is a challenging task because of the different possible oxidation states in which the element can occur. The sensing film was developed by homogenously distributing Au nanoparticles (AuNPs) onto the two-dimensional (2D) graphene nanosheet matrix by electrochemical method. Such nanostructured composite film platforms combine the advantages of AuNPs and graphene nanosheets because of the synergistic effect between them. This effect greatly facilitates the electron-transfer processes and the sensing behavior for Cr(VI) detection, leading to a remarkably improved sensitivity and selectivity. The interference from other heavy metal ions is studied in detail. Such sensing elements are very promising for practical environmental monitoring applications.

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Robak, Elżbieta, Michał Kotkowiak, and Henryk Drozdowski. "Nanostructured zinc oxide systems with gold nanoparticle pattern for efficient light trapping." Journal of Physics D: Applied Physics 49, no. 4 (December 29, 2015): 045104. http://dx.doi.org/10.1088/0022-3727/49/4/045104.

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Podešva, Pavel, Xiaocheng Liu, and Pavel Neužil. "Single nanostructured gold amalgam microelectrode electrochemiluminescence: From arrays to a single point." Sensors and Actuators B: Chemical 286 (May 2019): 282–88. http://dx.doi.org/10.1016/j.snb.2018.11.127.

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Ben Haddada, Maroua, Michèle Salmain, and Souhir Boujday. "Gold colloid-nanostructured surfaces for enhanced piezoelectric immunosensing of staphylococcal enterotoxin A." Sensors and Actuators B: Chemical 255 (February 2018): 1604–13. http://dx.doi.org/10.1016/j.snb.2017.08.180.

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Jin, Yongdong, Yan Shen, and Shaojun Dong. "Electrochemical Design of Ultrathin Platinum-Coated Gold Nanoparticle Monolayer Films as a Novel Nanostructured Electrocatalyst for Oxygen Reduction." Journal of Physical Chemistry B 108, no. 24 (June 2004): 8142–47. http://dx.doi.org/10.1021/jp0375517.

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Jiang, Liyun, Hongxia Li, Jinxia Mu, and Zhenguo Ji. "Manipulation of surface plasmon resonance of sputtered gold-nanoparticles on TiO2 nanostructured films for enhanced photoelectrochemical water splitting efficiency." Thin Solid Films 661 (September 2018): 32–39. http://dx.doi.org/10.1016/j.tsf.2018.07.010.

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Podesva, Pavel, Xiaocheng Liu, Martin Pumera, and Pavel Neuzil. "Tailorable nanostructured mercury/gold amalgam electrode arrays with varied surface areas and compositions." Sensors and Actuators B: Chemical 302 (January 2020): 127175. http://dx.doi.org/10.1016/j.snb.2019.127175.

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Ceja, Israel, Karla Josefina González-Íñiguez, Alejandra Carreón-Álvarez, Gabriel Landazuri, Arturo Barrera, José Eduardo Casillas, Víctor Vladimir A. Fernández-Escamilla, and Jacobo Aguilar. "Characterization and Electrical Properties of PVA Films with Self-Assembled Chitosan-AuNPs/SWCNT-COOH Nanostructures." Materials 13, no. 18 (September 17, 2020): 4138. http://dx.doi.org/10.3390/ma13184138.

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Abstract:

Nanostructured films with electrical conductivity in the semiconductor region were prepared in a polymeric matrix of poly(vinyl alcohol) (PVA) with nanostructures of chitosan-gold nanoparticles (AuNPs)/single-wall carbon nanotubes carboxylic acid functionalized (SWCNT-COOH) (chitosan-AuNPs/SWCNT-COOH) self-assembled. Dispersion light scattering (DLS) was used to determine the average particle sizes of chitosan-AuNPs, z-average particle size (Dz) and number average particle size (Dn), and the formation of crystalline domains of AuNPs was demonstrated by X-ray diffraction (XRD) patterns and observed by means of transmission electron microscopy (TEM). The electrostatic interaction was verified by Fourier transform infrared spectroscopy (FTIR). The electrical conductivity of PVA/chitosan-AuNPs/SWCNT-COOH was determined by the four-point technique and photocurrent. The calculated Dn values of the chitosan-AuNPs decreased as the concentration of gold (III) chloride trihydrate (HAuCl4·3H2O) increased: the concentrations of 0.4 and 1.3 mM were 209 and 90 nm, respectively. Average crystal size (L) and number average size (D) of the AuNPs were calculated in the range of 13 to 24 nm. Electrical conductivity of PVA/chitosan-AuNPs/SWCNT-COOH films was 3.7 × 10−5 σ/cm determined by the four-point technique and 6.5 × 10−4 σ/cm by photocurrent for the SWCNT-COOH concentration of 0.5 wt.% and HAuCl4·3H2O concentration of 0.4 mM. In this investigation, the protonation of the amine group of chitosan is fundamental to prepare PVA films with nanostructures of self-assembled chitosan-AuNPs/SWCNT-COOH.

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