Issue 43, 2017, Issue in Progress
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RSC Advances

Synthesis, characterization and application of TiO2/Ag recyclable SERS substrates†

Qingli Huang,ac   Jing Li,b   Wenxian Wei,c   Yongping Wu ORCID logo *a  and  Ting Li*a  

* Corresponding authors

a Research Facility Center for Morphology of Xuzhou Medical University, Xuzhou City, Jiangsu 221004, China
E-mail: 100002016057@xzhmu.edu.cn, wyp@xzhmu.edu.cn
Fax: +86-516-83262091

b School of Chemistry and Chemical Engineering, Xuzhou Institute of Technology, Xuzhou City, Jiangsu, China

c Testing Center, Yangzhou University, Yangzhou City, Jiangsu 225009, China

Abstract

In this paper, rutile and anatase TiO2/Ag nanocomposites were prepared by a facile and green photochemical method. The as-prepared samples were investigated by using various spectroscopic and microscopic techniques in detail. Trace detection of rhodamine 6G (R6G) and crystal violet (CV) was studied based on the nanocomposites. Compared to the anatase TiO2/Ag nanocomposite, the rutile TiO2/Ag nanocomposites (Sr3) exhibited the best SERS performance for rhodamine 6G (R6G). Then, the optimized SERS-active substrates (Sr3) were employed to study its recycling properties by degrading R6G and CV in situ. The substrates were able to self-clean. The possible mechanism of the good SERS and photocatalytic performance of the TiO2/Ag nanocomposite (Sr3) was discussed. This work is of importance in theoretical research and practical application based on the SERS effect of nanocomposites.

Graphical abstract: Synthesis, characterization and application of TiO2/Ag recyclable SERS substrates

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Article information

DOI
https://doi.org/10.1039/C7RA03112B
Article type
Paper
Submitted
16 Mar 2017
Accepted
14 May 2017
First published
18 May 2017
This article is Open Access
Creative Commons BY license

RSC Adv., 2017,7, 26704-26709

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Synthesis, characterization and application of TiO2/Ag recyclable SERS substrates

Q. Huang, J. Li, W. Wei, Y. Wu and T. Li, RSC Adv., 2017, 7, 26704 DOI: 10.1039/C7RA03112B

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