Issue 11, 2012
From the journal:

RSC Advances

Liesegang rings of dendritic silver crystals emerging from galvanic displacement reaction in a liquid-phase solution†

Shunping Xie,ab   Xicui Zhang,a   Suolong Yang,c   Man Chin Paau,b   Dan Xiao*a  and  Martin M. F. Choi*b  

* Corresponding authors

a College of Chemistry and College of Chemical Engineering, Sichuan University, Chengdu 610064, People's Republic of China
E-mail: xiaodan@scu.edu.cn
Fax: +86-28-85416029
Tel: +86-28-85415029

b Department of Chemistry, Hong Kong Baptist University, 224 Waterloo Road, Kowloon Tong, Hong Kong SAR, People's Republic of China
E-mail: mfchoi@hkbu.edu.hk
Fax: +852 34117348
Tel: +852-34117839

c Science and Technology on Surface Physics and Chemistry Laboratory, P.O. Box 718-35, Mianyang 621907, People's Republic of China

Abstract

Liesegang rings (LR) of various types of Ag dendrite crystals are observed from an aqueous solution based on a simple galvanic displacement reaction between a Zn plate and Ag2SO4. The growth process and formation mechanism of LR of Ag dendrites are investigated in detail. The synthesised LR of Ag dendrites have been successfully employed as a Raman probe for SERS analysis of melamine.

Graphical abstract: Liesegang rings of dendritic silver crystals emerging from galvanic displacement reaction in a liquid-phase solution

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Article information

DOI
https://doi.org/10.1039/C2RA20055D
Article type
Communication
Submitted
10 Jan 2012
Accepted
23 Mar 2012
First published
23 Mar 2012

RSC Adv., 2012,2, 4627-4631

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Liesegang rings of dendritic silver crystals emerging from galvanic displacement reaction in a liquid-phase solution

S. Xie, X. Zhang, S. Yang, M. C. Paau, D. Xiao and M. M. F. Choi, RSC Adv., 2012, 2, 4627 DOI: 10.1039/C2RA20055D

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