Issue 119, 2015
From the journal:

RSC Advances

Facile synthesis of silver submicrospheres and their applications†

Bin Tang,ab   Jingliang Li,*b   Linpeng Fanb  and  Xungai Wang*ab  

* Corresponding authors

a School of Textile Science and Engineering, Wuhan Textile University, Wuhan 430073, China
E-mail: xungai.wang@deakin.edu.au

b Institute for Frontier Materials, Deakin University, Geelong, Victoria 3216, Australia
E-mail: jingliang.li@deakin.edu.au

Abstract

Uniform silver submicrospheres were synthesized under ambient conditions, through reduction of silver nitrate using ascorbic acid as a reducing agent and Tween 20 as a stabilizer. The silver submicroparticles exhibited strong catalytic activity for the reduction of 4-nitrophenol by sodium borohydride (NaBH4). Significantly, the aggregates of a few silver submicroparticles can be used as surface-enhanced Raman scattering (SERS) substrate to improve markedly the Raman signal of crystal violet. The morphologies of silver submicroparticles can be controlled by changing reaction conditions. The formation process of silver submicroparticles was monitored by time-resolved extinction spectroscopy. The influences of concentrations and molar ratios of reaction reagents on the formation of silver submicroparticles are discussed.

Graphical abstract: Facile synthesis of silver submicrospheres and their applications

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Article information

DOI
https://doi.org/10.1039/C5RA18513K
Article type
Paper
Submitted
10 Sep 2015
Accepted
10 Nov 2015
First published
12 Nov 2015

RSC Adv., 2015,5, 98293-98298

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Facile synthesis of silver submicrospheres and their applications

B. Tang, J. Li, L. Fan and X. Wang, RSC Adv., 2015, 5, 98293 DOI: 10.1039/C5RA18513K

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