Tuning Gold Nanoparticle Size with Fixed Interparticle Spacing in Large-Scale Arrays: Implications for Plasmonics and Nanoparticle Etching Masks

2021 ◽  
Vol 4 (3) ◽  
pp. 2733-2742
Author(s):  
Nathan J. Ray ◽  
Jae-Hyuck Yoo ◽  
Salmaan Baxamusa ◽  
Hoang T. Nguyen ◽  
Selim Elhadj ◽  
...  
Keyword(s):  
Gold Nanoparticle ◽  
Large Scale ◽  
Interparticle Spacing ◽  
Nanoparticle Size

scholarly journals Enhanced Tunability of Gold Nanoparticle Size, Spacing, and Shape for Large-Scale Plasmonic Arrays

2019 ◽  
Vol 2 (7) ◽  
pp. 4395-4401 ◽  
Author(s):  
Nathan J. Ray ◽  
Jae H. Yoo ◽  
Joseph T. McKeown ◽  
Selim Elhadj ◽  
Salmaan H. Baxamusa ◽  
...  
Keyword(s):  
Gold Nanoparticle ◽  
Large Scale ◽  
Nanoparticle Size

Gold Nanoparticle Aggregate Morphology with Controllable Interparticle Spacing Prepared by a Polyelectrolyte Network Template

2008 ◽  
Vol 61 (1) ◽  
pp. 1 ◽  
Author(s):  
Feng Zhao ◽  
Jing Kun Xun ◽  
Shu Feng Liu
Keyword(s):  
Gold Nanoparticle ◽  
Self Assembly ◽  
Large Scale ◽  
Polymer Network ◽  
Resonance Wavelength ◽  
Interparticle Spacing ◽  
Excitation Wavelength ◽  
Mica Surface ◽  
Simple Method ◽  
Nanostructured Gold

Gold nanoparticle self-assembly behaviour on a mica surface was investigated. A large-scale modified partially hydrated polyacrylamide network on a mica surface was successfully fabricated with a simple method. Gold nanoparticles were self-assembled onto a two-dimensional polymer network template by electrostatic interaction, and an interesting nanostructured gold morphology with controllable interparticle spacing was formed on the mica surface. By adjusting the gold aqueous concentrations, the particle distance could be optimized to approach strongest coupling between adjacent particles and match the plasmon resonance wavelength to the laser excitation wavelength. Thus, the spacing between nanoparticles could be controlled for tunable surface-enhanced Raman scattering substrates for optimal signal amplification.

scholarly journals Sensitive and Reproducible Gold SERS Sensor Based on Interference Lithography and Electrophoretic Deposition

Sensors ◽  
2018 ◽  
Vol 18 (11) ◽  
pp. 4076 ◽  
Author(s):  
June Hwang ◽  
Minyang Yang
Keyword(s):  
Gold Nanoparticle ◽  
Electrophoretic Deposition ◽  
Large Scale ◽  
Surface Enhanced Raman Spectroscopy ◽  
Localized Surface Plasmon ◽  
Interference Lithography ◽  
Metal Nanostructures ◽  
Nanoparticle Array ◽  
Laser Ablation In Liquid ◽  
Label Free Detection

Surface-enhanced Raman spectroscopy (SERS) is a promising analytical tool due to its label-free detection ability and superior sensitivity, which enable the detection of single molecules. Since its sensitivity is highly dependent on localized surface plasmon resonance, various methods have been applied for electric field-enhanced metal nanostructures. Despite the intensive research on practical applications of SERS, fabricating a sensitive and reproducible SERS sensor using a simple and low-cost process remains a challenge. Here, we report a simple strategy to produce a large-scale gold nanoparticle array based on laser interference lithography and the electrophoretic deposition of gold nanoparticles, generated through a pulsed laser ablation in liquid process. The fabricated gold nanoparticle array produced a sensitive, reproducible SERS signal, which allowed Rhodamine 6G to be detected at a concentration as low as 10−8 M, with an enhancement factor of 1.25 × 105. This advantageous fabrication strategy is expected to enable practical SERS applications.

scholarly journals How do Nanoparticle Size and Protein Charge Affect Gold Nanoparticle-Protein Interactions?

2016 ◽  
Vol 110 (3) ◽  
pp. 529a-530a ◽  
Author(s):  
Nicholas C. Fitzkee ◽  
Ailin Wang ◽  
Karen E. Woods ◽  
Randika Perera
Keyword(s):  
Gold Nanoparticle ◽  
Protein Interactions ◽  
Nanoparticle Size ◽  
Protein Charge

scholarly journals Membrane Surface-Enhanced Raman Spectroscopy for Cholesterol-Modified Lipid Systems: Effect of Gold Nanoparticle Size

ACS Omega ◽  
2019 ◽  
Vol 4 (9) ◽  
pp. 13687-13695 ◽  
Author(s):  
Miftah Faried ◽  
Keishi Suga ◽  
Yukihiro Okamoto ◽  
Kamyar Shameli ◽  
Mikio Miyake ◽  
...  
Keyword(s):  
Raman Spectroscopy ◽  
Gold Nanoparticle ◽  
Membrane Surface ◽  
Surface Enhanced Raman Spectroscopy ◽  
Nanoparticle Size ◽  
Surface Enhanced ◽  
Surface Enhanced Raman

Gold nanoparticle size and shape influence on osteogenesis of mesenchymal stem cells

Nanoscale ◽  
2016 ◽  
Vol 8 (15) ◽  
pp. 7992-8007 ◽  
Author(s):  
Jingchao Li ◽  
Jia'En Jasmine Li ◽  
Jing Zhang ◽  
Xinlong Wang ◽  
Naoki Kawazoe ◽  
...  
Keyword(s):  
Stem Cells ◽  
Mesenchymal Stem Cells ◽  
Gold Nanoparticle ◽  
Nanoparticle Size ◽  
Size And Shape ◽  
Shape Influence

scholarly journals Gold Nanoparticle Size and Shape Effects on Cellular Uptake and Intracellular Distribution of siRNA Nanoconstructs

2017 ◽  
Vol 28 (6) ◽  
pp. 1791-1800 ◽  
Author(s):  
Jun Yue ◽  
Timothy Joel Feliciano ◽  
Wenlong Li ◽  
Andrew Lee ◽  
Teri W. Odom
Keyword(s):  
Gold Nanoparticle ◽  
Cellular Uptake ◽  
Intracellular Distribution ◽  
Nanoparticle Size ◽  
Size And Shape ◽  
Shape Effects
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