Issue 24, 2011
From the journal:

Chemical Communications

Amplification of localized surface plasmon resonance signals by a gold nanorodassembly and ultra-sensitive detection of mercury†

Haowen Huang,*ab   Caiting Qu,a   Xuanyong Liu,*bc   Shaowen Huang,a   Zhongjian Xu,a   Yingjie Zhub  and  Paul K. Chu*c  

* Corresponding authors

a School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, China
E-mail: hhwn09@163.com
Fax: 86-731-58290509
Tel: 86-731-58290045

b State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai, China
E-mail: xyliu@mail.sic.ac.cn

c Department of Physics & Materials Science, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China
E-mail: paul.chu@cityu.edu.hk

Abstract

Controlled assembly of gold nanorods induced by Na3PO4 leads to a significant amplification of localized surface plasmon resonance (LSPR) signals. The strong affinity between Au and Hg alters the coupled LSPR signals due to the amalgamation of Hg and Au. This allows detection of Hg in aqueous solutions with ultra-high sensitivity and excellent selectivity, without sample pretreatment.

Graphical abstract: Amplification of localized surface plasmon resonance signals by a gold nanorod assembly and ultra-sensitive detection of mercury

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Article information

DOI
https://doi.org/10.1039/C1CC12137E
Article type
Communication
Submitted
14 Apr 2011
Accepted
05 May 2011
First published
23 May 2011

Chem. Commun., 2011,47, 6897-6899

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Amplification of localized surface plasmon resonance signals by a gold nanorod assembly and ultra-sensitive detection of mercury

H. Huang, C. Qu, X. Liu, S. Huang, Z. Xu, Y. Zhu and P. K. Chu, Chem. Commun., 2011, 47, 6897 DOI: 10.1039/C1CC12137E

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