Fluoride-assisted synthesis of mullite (Al5.65Si0.35O9.175) nanowires

Yongjun Chen; Bo Chi; Qiuxiang Liu; Denise C. Mahon; Ying Chen

doi:10.1039/B603999E

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Fluoride-assisted synthesis of mullite (Al_5.65Si_0.35O_9.175) nanowires†

Yongjun Chen,*^a Bo Chi,^b Qiuxiang Liu,^c Denise C. Mahon^d and Ying Chen^a

Author affiliations

* Corresponding authors

^a Department of Electronic Materials Engineering, Research School of Physical Sciences and Engineering, The Australian National University, Canberra, ACT 0200, Australia
E-mail: yong.chen@anu.edu.au
Fax: 61 2 6125 0511
Tel: 61 2 6125 8890

^b National Institute of Advanced Industrial Science and Technology (AIST), 1-8-31 Midorigaoka, Ikeda, Japan

^c School of Physics and Optoelectronic & Engineering, Guangdong University of Technology, Guangzhou, P. R. China

^d Spectrochemical Laboratory, Division of Health, Science and Design, University of Canberra, ACT 2601, Australia

Abstract

Novel silicon-deficient mullite (Al_5.65Si_0.35O_9.175) single crystal nanowires were synthesized in large quantities on mica substrates assisted by the intermediate fluoride species. The nanowires have diameters in the range 50–100 nm and typical lengths of several μm. Aligned nanowires were observed at the substrate edge. The nanowires have strong photoluminescence (PL) emission bands at 310, 397, 452 and 468 nm.

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Supplementary files

EDS results of the clean mica substrate and the product nanowires. Raman spectra of the pure substrate and mullite nanowires. PDF (104K)

Article information

DOI: https://doi.org/10.1039/B603999E
Article type: Communication
Submitted: 17 Mar 2006
Accepted: 10 May 2006
First published: 25 May 2006

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Chem. Commun., 2006, 2780-2782

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Fluoride-assisted synthesis of mullite (Al_5.65Si_0.35O_9.175) nanowires

Y. Chen, B. Chi, Q. Liu, D. C. Mahon and Y. Chen, Chem. Commun., 2006, 2780 DOI: 10.1039/B603999E

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