Issue 11, 2013
From the journal:

Nanoscale

Synthesis of aluminum oxide supported fluorescent gold nanodots for the detection of silver ions†

Po-Cheng Chen,a   Ting-Yin Yeh,a   Chung-Mao Ou,a   Chung-Chien Shiha  and  Huan-Tsung Chang*a  

* Corresponding authors

a Department of Chemistry, National Taiwan University, 1, Section 4, Roosevelt Road, Taipei, Taiwan
E-mail: changht@ntu.edu.tw
Fax: +011-886-2-3366-1171
Tel: +011-886-2-3366-1171

Abstract

Photoluminescent gold nanodots (Au NDs) on aluminum oxide nanoparticles (Al2O3 NPs) with the emission wavelengths ranging from 510 to 630 nm are unveiled. Orange Al2O3 NP@AuNDs show high selectivity and sensitivity towards Ag+ ions by metallophilic Ag+–Au+ interactions and induced fluorescence quenching of Au NDs.

Graphical abstract: Synthesis of aluminum oxide supported fluorescent gold nanodots for the detection of silver ions

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Article information

DOI
https://doi.org/10.1039/C3NR00713H
Article type
Communication
Submitted
08 Feb 2013
Accepted
06 Apr 2013
First published
10 Apr 2013

Nanoscale, 2013,5, 4691-4695

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Synthesis of aluminum oxide supported fluorescent gold nanodots for the detection of silver ions

P. Chen, T. Yeh, C. Ou, C. Shih and H. Chang, Nanoscale, 2013, 5, 4691 DOI: 10.1039/C3NR00713H

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