Issue 5, 2013
From the journal:

Nanoscale

Effect of polymer ligand structures on fluorescence of gold clusters prepared by photoreduction†

Luo Li,a   Zhen Li,b   Hui Zhang,a   Shoucun Zhang,a   Irfan Majeeda  and  Bien Tan*a  

* Corresponding authors

a School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, P.R. China
E-mail: bien.tan@mail.hust.edu.cn
Fax: +86 27 87543632
Tel: +86 27 87558172

b Institute for Superconducting and Electronic Materials, Australian Institute of Innovative Materials, University of Wollongong, Australia
E-mail: zhenl@uow.edu.au
Tel: +61 2 4221 5163

Abstract

Blue emission fluorescent Au5 clusters with maximum quantum yield of 20.1% were synthesized by a simple photoreduction method using three specially designed tridentate polymer ligands. The evolution of fluorescent Au nanoclusters (Au NCs) under UV irradiation was studied by fluorescence, UV-Vis and X-ray photoelectron spectroscopic techniques, suggesting that the fluorescence of Au NCs is size-dependent and is associated with the presence of Au(I) ions in the Au NCs. The effect of polymer structure on the fluorescent Au NCs has also been discussed. These highly fluorescent Au NCs have potential applications in the fabrication of optoelectronic devices and light emitting materials.

Graphical abstract: Effect of polymer ligand structures on fluorescence of gold clusters prepared by photoreduction

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Article information

DOI
https://doi.org/10.1039/C2NR33693F
Article type
Paper
Submitted
18 Nov 2012
Accepted
29 Dec 2012
First published
04 Jan 2013

Nanoscale, 2013,5, 1986-1992

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Effect of polymer ligand structures on fluorescence of gold clusters prepared by photoreduction

L. Li, Z. Li, H. Zhang, S. Zhang, I. Majeed and B. Tan, Nanoscale, 2013, 5, 1986 DOI: 10.1039/C2NR33693F

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