Issue 76, 2013
From the journal:

Chemical Communications

Band-gap expansion of tungsten oxidequantum dots synthesized in sub-nano porous silica†

Hiroto Watanabe,ab   Kenji Fujikata,b   Yuya Oakib  and  Hiroaki Imai*b  

* Corresponding authors

a Tokyo Metropolitan Industrial Technology Research Institute, 2-4-10 Aomi, Koto-ku, Tokyo 135-0064, Japan
Fax: +81-3-5530-2629
Tel: +81-3-5530-2646

b Department of Applied Chemistry, Faculty of Science and Technology, Keio University, 3-14-1 Hiyoshi, Kohoku, Yokohama 223-8522, Japan
E-mail: hiroaki@applc.keio.ac.jp
Fax: +81-45-566-1551
Tel: +81-45-566-1556

Abstract

The band-gap energy tuning of WO3 quantum dots was realized in the range of 2.6 eV (bulk) to 3.7 eV (sub-nano) by precise size control around one nanometer. Newly synthesized sub-nanoporous silicas act as excellent templates. In addition, single-electron reduction of oxygen under UV irradiation is now achievable with WO3.

Graphical abstract: Band-gap expansion of tungsten oxide quantum dots synthesized in sub-nano porous silica

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Article information

DOI
https://doi.org/10.1039/C3CC44264K
Article type
Communication
Submitted
06 Jun 2013
Accepted
24 Jul 2013
First published
25 Jul 2013

Chem. Commun., 2013,49, 8477-8479

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Band-gap expansion of tungsten oxide quantum dots synthesized in sub-nano porous silica

H. Watanabe, K. Fujikata, Y. Oaki and H. Imai, Chem. Commun., 2013, 49, 8477 DOI: 10.1039/C3CC44264K

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