Issue 17, 2014
From the journal:

Analytical Methods

Multifunctional SERS substrates of Fe3O4@Ag2Se/Ag: construction, properties and application

Yun Wu,a   Hai Yang,a   Ling Zhu,a   Anjian Xie,a   Shikuo Li,a   Jiming Songa  and  Yuhua Shen*a  

* Corresponding authors

a School of Chemistry and Chemical Engineering, Anhui University, Hefei, Anhui 230601, P. R. China
E-mail: s_yuhua@163.com
Fax: +86-0551-63861475
Tel: +86-0551-63861475

Abstract

In this work, Fe3O4@Ag2Se/Ag nanocomposites were fabricated on a self-cleaning and recyclable surface-enhanced Raman scattering (SERS) substrate via a simple and ingenious precipitation shift reaction. The superparamagnetic property of Fe3O4 facilitates the efficient purification of products with the assistance of an external magnetic field. The as-prepared substrates have excellent stability and show no significant loss after six recycles for the photodegradation of rhodamine B (RhB). The unique Raman enhancement effect of Fe3O4@Ag2Se/Ag substrates indicates that RhB can be detected at a concentration as low as 1 × 10−8 M. Furthermore, the experimental results also suggest that these nanocomposites may be promising multifunctional SERS substrate candidates for environmental monitoring, cleaning and so on.

Graphical abstract: Multifunctional SERS substrates of Fe3O4@Ag2Se/Ag: construction, properties and application

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Article information

DOI
https://doi.org/10.1039/C4AY01150C
Article type
Paper
Submitted
14 May 2014
Accepted
08 Jul 2014
First published
09 Jul 2014

Anal. Methods, 2014,6, 7083-7087

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Multifunctional SERS substrates of Fe3O4@Ag2Se/Ag: construction, properties and application

Y. Wu, H. Yang, L. Zhu, A. Xie, S. Li, J. Song and Y. Shen, Anal. Methods, 2014, 6, 7083 DOI: 10.1039/C4AY01150C

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