Plasmon resonances of novel monolayer and bilayer shell aggregate gold nanostructures

2011 ◽  
Author(s):  
Myria Angelidou ◽  
Costas Pitris
Keyword(s):  
Gold Nanostructures ◽  
Plasmon Resonances

scholarly journals Large-scale self-organized gold nanostructures with bidirectional plasmon resonances for SERS

RSC Advances ◽  
2018 ◽  
Vol 8 (40) ◽  
pp. 22569-22576 ◽  
Author(s):  
Benjamin Schreiber ◽  
Dimitra Gkogkou ◽  
Lina Dedelaite ◽  
Jochen Kerbusch ◽  
René Hübner ◽  
...  
Keyword(s):  
Raman Spectroscopy ◽  
Large Scale ◽  
Surface Enhanced Raman Spectroscopy ◽  
Gold Nanostructures ◽  
Self Organized ◽  
Surface Enhanced ◽  
Plasmon Resonances ◽  
Surface Enhanced Raman

Here we present a two-step fabrication of large-scale self-organized gold nanostructures for multicolor surface-enhanced Raman spectroscopy (SERS). We studied the morphology and plasmonic responses of our substrates and performed optical simulations.

Multiple plasmon resonances from gold nanostructures

2007 ◽  
Vol 90 (14) ◽  
pp. 143105 ◽  
Author(s):  
A. K. Sheridan ◽  
A. W. Clark ◽  
A. Glidle ◽  
J. M. Cooper ◽  
D. R. S. Cumming
Keyword(s):  
Gold Nanostructures ◽  
Plasmon Resonances

Plasmon Resonances in V-Shaped Gold Nanostructures

Plasmonics ◽  
2011 ◽  
Vol 7 (2) ◽  
pp. 235-243 ◽  
Author(s):  
Nicholas Stokes ◽  
Michael B. Cortie ◽  
Timothy J. Davis ◽  
Andrew M. McDonagh
Keyword(s):  
Gold Nanostructures ◽  
Plasmon Resonances

Chemical Routes to Surface Enhanced Infrared Absorption (SEIRA) Substrates

2018 ◽  
Vol 232 (9-11) ◽  
pp. 1527-1539 ◽  
Author(s):  
Christoph Stanglmair ◽  
Frank Neubrech ◽  
Claudia Pacholski
Keyword(s):  
Gold Nanoparticle ◽  
Gold Nanostructures ◽  
Double Layers ◽  
Surface Plasmon Resonances ◽  
Infrared Wavelength ◽  
Geometrical Arrangement ◽  
Surface Enhanced ◽  
Enhancement Factors ◽  
Plasmon Resonances ◽  
Hexagonally Ordered

Abstract Bottom-up strategies for fabricating SEIRA substrates are presented. For this purpose, wet-chemically prepared gold nanoparticles are coated with a polystyrene shell and subsequently self-assembled into different nanostructures such as quasi-hexagonally ordered gold nanoparticle monolayers, double layers, and honeycomb structures. Furthermore elongated gold nanostructures are obtained by sintering of gold nanoparticle double layers. The optical properties of these different gold nanostructures are directly connected to their morphology and geometrical arrangement – leading to surface plasmon resonances from the visible to the infrared wavelength range. Finally, SEIRA enhancement factors are determined. Gold nanoparticle double layers show the best performance as SEIRA substrates.

Optical Properties of One-Dimensional Metal Nanostructures

2004 ◽  
Vol 818 ◽  
Author(s):  
Encai Hao ◽  
Shengli Zou ◽  
George C. Schatz
Keyword(s):  
Optical Properties ◽  
Gold Nanorods ◽  
Theoretical Study ◽  
Gold Nanostructures ◽  
Metal Nanostructures ◽  
One Dimensional ◽  
Plasmon Resonances

AbstractWe present a theoretical study of the optical properties of one-dimensional (1-D) metal nanostructures including nanorods and nanotubes. Although the optical properties of gold nanotubes are similar to that of gold nanorods, both the longitudinal and transverse plasmon resonances of gold nanotubes show much larger red-shifting and narrower. The E-field calculations indicate that the 1-D gold nanostructures, particularly gold nanotubes have great potential for applications to SERS.

T-Matrix Simulation of Plasmon Resonances of Particles on or near a Surface

PIERS Online ◽  
2006 ◽  
Vol 2 (5) ◽  
pp. 450-454
Author(s):  
Norbert Riefler ◽  
Thomas Wriedt
Keyword(s):  
Plasmon Resonances ◽  
T Matrix

One-step controlled synthesis of anisotropic gold nanostructures with aniline as the reductant in aqueous solution

2007 ◽  
Vol 309 (2) ◽  
pp. 518-523 ◽  
Author(s):  
Zhirui Guo ◽  
Yu Zhang ◽  
Lan Huang ◽  
Meng Wang ◽  
Jing Wang ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Gold Nanostructures ◽  
Controlled Synthesis ◽  
One Step

Ultrahigh-Vacuum Electron Microscopy for Gold Nanostructures

2001 ◽  
Vol 7 (S2) ◽  
pp. 920-921
Author(s):  
Yukihito Kondo ◽  
Kimiharu Okamoto ◽  
Mikio Naruse ◽  
Toshikazu Honda ◽  
Mike Kersker
Keyword(s):  
Electron Microscopy ◽  
Field Emission ◽  
Electronic Devices ◽  
Ultrahigh Vacuum ◽  
Gold Nanostructures ◽  
Scanning Tunneling ◽  
Nano Scale ◽  
Transmission Electron ◽  
Column Type ◽  
Schottky Type

Ultrahigh-vacuum transmission electron microscopy (UHVTEM) has become increasingly popular for the direct observation of nanostructures having clean surfaces, since industrial requirements to make and research nano-scale materials have been rapidly growing for quantum or nanoscale electronic devices. Since we have first developed high resolution UHVTEM in 1986, the UHVTEMs have been evolved with steady advances such as UHV compatible goniometer, field emission gun or etc. Furthermore, the UHVTEM started to combine analytical capabilities such as energy dispersive X-ray spectrometer, in-column type energy filter and etc., and to combine STM (scanning tunneling microscope). The UHV technology is essential for the analysis, because the portion of contaminant in a nano-scale specimen increases as the size of the specimen goes down. This paper reports the results of gold nanostructures by recently the developed UHVTEM.Figure 1 shows recently developed UHVTEM with Schottky type field emission gun.

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