Issue 22, 2012
From the journal:

RSC Advances

Ascertaining genuine SERS spectra of p-aminothiophenol

Xiaorui Tian,a   Li Chen,a   Hongxing Xua  and  Mengtao Sun*a  

* Corresponding authors

a Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, P. O. Box 603-146, Beijing, People's Republic of China
E-mail: mtsun@aphy.iphy.ac.cn

Abstract

By choosing the proper SERS substrate and using a low concentration of p-aminothiophenol (PATP) solution, we observed the genuine SERS spectra of PATP, in which the vibrational modes of 4,4′-dimercaptoazobenzene (DMAB) at 1140, 1390, 1432 cm−1 are not observed, and the SERS spectra is the same as the Raman spectra of PATP powder. We compare the SERS spectra of PATP in two different SERS substrates, and find that both the plasmon enhancement and time of radiation by laser play key roles in the surface catalyzed reaction.

Graphical abstract: Ascertaining genuine SERS spectra of p-aminothiophenol

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Article information

DOI
https://doi.org/10.1039/C2RA20711G
Article type
Communication
Submitted
19 Apr 2012
Accepted
26 Jul 2012
First published
26 Jul 2012

RSC Adv., 2012,2, 8289-8292

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Ascertaining genuine SERS spectra of p-aminothiophenol

X. Tian, L. Chen, H. Xu and M. Sun, RSC Adv., 2012, 2, 8289 DOI: 10.1039/C2RA20711G

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