Issue 28, 2013
From the journal:

CrystEngComm

Facile synthesis of single crystalline gold nanoplates and SERS investigations of 4-aminothiophenol†

Beibei Cao,a   Bin Liua  and  Jianhui Yang*a  

* Corresponding authors

a Key Laboratory of Synthetic and Natural Functional Molecule Chemistry (Ministry of Education), College of Chemistry and Materials Science, Northwest University, Xi'an 710069, People's Republic of China
E-mail: yjhzhj@yahoo.com

Abstract

Single crystalline gold nanoplates with micrometer-scale sizes that are tens of nanometers in thickness were synthesized by reducing HAuCl4 with the disodium salt of ethylenediaminetetraacetic acid (Na2EDTA) in the presence of hexadecyltrimethylammonium bromide (CTAB) in aqueous solution. The results indicated that CTAB plays an important role in the formation of single crystalline gold nanoplates. The application of the as-prepared nanoplates in surface-enhanced Raman spectroscopy (SERS) was investigated by using 4-aminothiophenol (PATP) as probe molecules. As a result of the sharp corners and edges in their shape, the resultant Au nanoplates exhibit excellent Raman enhancement ability. It was found that PATP can be oxidatively transformed into 4,4′-dimercaptoazobenzene on the surface of Au nanoplates during the SERS measurement.

Graphical abstract: Facile synthesis of single crystalline gold nanoplates and SERS investigations of 4-aminothiophenol

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Article information

DOI
https://doi.org/10.1039/C3CE00076A
Article type
Paper
Submitted
14 Jan 2013
Accepted
15 May 2013
First published
15 May 2013

CrystEngComm, 2013,15, 5735-5738

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Facile synthesis of single crystalline gold nanoplates and SERS investigations of 4-aminothiophenol

B. Cao, B. Liu and J. Yang, CrystEngComm, 2013, 15, 5735 DOI: 10.1039/C3CE00076A

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