Optimal Excitation Wavelength for Surface-Enhanced Raman Spectroscopy: The Role of Chemical Interface Damping

2021 ◽  
pp. 11014-11021
Author(s):  
Shuyi Zhu ◽  
Haoming Bao ◽  
Hongwen Zhang ◽  
Hao Fu ◽  
Qian Zhao ◽  
...  
Keyword(s):  
Raman Spectroscopy ◽  
Surface Enhanced Raman Spectroscopy ◽  
Excitation Wavelength ◽  
Surface Enhanced ◽  
Optimal Excitation ◽  
Surface Enhanced Raman

Rhodium nanocubes and nanotripods for highly sensitive ultraviolet surface-enhanced Raman spectroscopy

The Analyst ◽  
2018 ◽  
Vol 143 (10) ◽  
pp. 2310-2322 ◽  
Author(s):  
Rupali Das ◽  
R. K. Soni
Keyword(s):  
Raman Spectroscopy ◽  
Surface Enhanced Raman Spectroscopy ◽  
Excitation Wavelength ◽  
Rhodium Nanoparticles ◽  
Highly Sensitive ◽  
Surface Enhanced ◽  
Surface Enhanced Raman ◽  
532 Nm

DUV-UV (266 nm), UV (325 nm) and visible (532 nm) excitation-wavelength-dependent SERS investigation of adenine molecules on rhodium nanoparticles.

scholarly journals Role of multipolar plasmon resonances during surface-enhanced Raman spectroscopy on Au micro-patches

RSC Advances ◽  
2016 ◽  
Vol 6 (116) ◽  
pp. 115284-115289 ◽  
Author(s):  
Annette Dowd ◽  
Mathias Geisler ◽  
Shaoli Zhu ◽  
Michelle L. Wood ◽  
Michael B. Cortie
Keyword(s):  
Raman Spectroscopy ◽  
Surface Enhanced Raman Spectroscopy ◽  
Signal Enhancement ◽  
Raman Signal ◽  
Surface Enhanced ◽  
Plasmon Resonances ◽  
Surface Enhanced Raman

Large more reproducibly fabricated microstructures can also provide significant Raman signal enhancementviausually neglected multipolar plasmon resonances.

Surface-Enhanced Raman Spectroscopy of Acetil-neuraminic Acid on Silver Nanoparticles: Role of the Passivating Agent on the Adsorption Efficiency and Amplification of the Raman Signal

2017 ◽  
Vol 121 (38) ◽  
pp. 21045-21056 ◽  
Author(s):  
Aida C. Hernández-Arteaga ◽  
Francisco C. Delgado-Nieblas ◽  
Hiram J. Ojeda-Galván ◽  
J. Jesús Velázquez-Salazar ◽  
Ekaterina Vinogradova ◽  
...  
Keyword(s):  
Raman Spectroscopy ◽  
Silver Nanoparticles ◽  
Surface Enhanced Raman Spectroscopy ◽  
Neuraminic Acid ◽  
Raman Signal ◽  
Adsorption Efficiency ◽  
Surface Enhanced ◽  
Surface Enhanced Raman ◽  
Passivating Agent

HIGH-ORDERED AND ULTRA-SENSITIVE PARTICLE-IN-BOWL METALLIC ARRAYS FOR SURFACE ENHANCED RAMAN SPECTROSCOPY

NANO ◽  
2014 ◽  
Vol 09 (04) ◽  
pp. 1450050 ◽  
Author(s):  
DI DI ◽  
PEITAO DONG ◽  
CHAOGUANG WANG ◽  
JIAN CHEN ◽  
JUNFENG WANG ◽  
...  
Keyword(s):  
Raman Spectroscopy ◽  
Fdtd Method ◽  
Disease Diagnosis ◽  
Surface Enhanced Raman Spectroscopy ◽  
Excitation Wavelength ◽  
Raman Enhancement ◽  
Surface Enhanced ◽  
Surface Enhanced Raman ◽  
Em Field ◽  
Lift Off

High-ordered particle-in-bowl (PIB) arrays are developed in this paper for surface enhanced Raman spectroscopy (SERS). A heterogeneous shadow mask, composing of the chrome (Cr) layer and colloid residues, is used to fabricate the silicon ( Si ) template from where the PIB arrays finally lift-off. The finite difference time domain (FDTD) method is employed to investigate the Raman enhancement mechanism of this PIB architecture. The electromagnetic (EM) field tends to concentrate in the gap between the bowl and the particle forming the "hot spots". The enhancement factor (EF) of the EM field is about 70 with an excitation wavelength of 785 nm. The Raman measurements validate the EM calculation of the PIB arrays. The EF is about 1.12 × 107 using Rodamine 6G (R6G) as probe molecule. The proposed PIB array is high-ordered in morphology and ultra-sensitive in Raman measurement, providing an ideal substrate for SERS-based bio-chemical sensing, disease diagnosis and analytical chemistry.

Matrix-Isolated Surface-Enhanced Raman Spectroscopy (SERS): The Role of the Supporting Matrix

1989 ◽  
Vol 43 (7) ◽  
pp. 1180-1187 ◽  
Author(s):  
Steven A. Soper ◽  
Theodore Kuwana
Keyword(s):  
Remote Sensing ◽  
Raman Spectroscopy ◽  
Detection Limit ◽  
Surface Enhanced Raman Spectroscopy ◽  
Solution Phase ◽  
Raman Spectrometer ◽  
Surface Enhanced ◽  
Surface Enhanced Raman ◽  
Tlc Plates

The influence of a supporting matrix in surface-enhanced Raman spectroscopy (SERS) has been investigated. The support matrices were conventional TLC plates onto which Ag colloidal hydrosols mixed with the dye pararosaniline had been deposited. The protocol of preparation of the Ag sol as well as the type of TLC plate had a profound effect upon the intensity of the SERS signals of pararosaniline. The Ag sol and the TLC plate that resulted in the maximum SERS intensities yielded a detection limit of ∼ 108 femtomols (33 pg) of dye deposited onto the TLC plate. Deposition of the dye/sol mixture onto the supporting matrix also resulted in stable SERS signals for extended periods of time, in contrast to the solution-phase case, where the signal is only transient in nature. In order to obtain the SERS spectra, a remote sensing Raman spectrometer was constructed and is described.

Using Catalytic and Surface-Enhanced Raman Spectroscopy-Active Gold Nanoshells to Understand the Role of Basicity in Glycerol Oxidation

ACS Catalysis ◽  
2013 ◽  
Vol 3 (11) ◽  
pp. 2430-2435 ◽  
Author(s):  
Kimberly N. Heck ◽  
Benjamin G. Janesko ◽  
Gustavo E. Scuseria ◽  
Naomi J. Halas ◽  
Michael S. Wong
Keyword(s):  
Raman Spectroscopy ◽  
Surface Enhanced Raman Spectroscopy ◽  
Gold Nanoshells ◽  
Glycerol Oxidation ◽  
Surface Enhanced ◽  
Surface Enhanced Raman
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