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Issue 30, 2013
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High-performance gas sensing achieved by mesoporous tungsten oxide mesocrystals with increased oxygen vacancies

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Abstract

The inner structure of W18O49 mesocrystals was observed by electron microscopy with the help of ultramicrotomy and focused ion beam techniques. The results showed that these mesocrystals contain irregular mesopores formed through partial fusion of self-assembled nanowires, and consequently have long-range structural ordering in one dimension and short-range ordering in the other two dimensions. The W18O49 mesocrystals exhibit superior performance in gas sensing applications, which is considered to be associated with the presence of more oxygen vacancy sites in the unique mesoporous structure.

Graphical abstract: High-performance gas sensing achieved by mesoporous tungsten oxide mesocrystals with increased oxygen vacancies

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Supplementary files

Article information


Submitted
16 Apr 2013
Accepted
22 May 2013
First published
24 May 2013

J. Mater. Chem. A, 2013,1, 8653-8657
Article type
Paper

High-performance gas sensing achieved by mesoporous tungsten oxide mesocrystals with increased oxygen vacancies

D. Wang, J. Sun, X. Cao, Y. Zhu, Q. Wang, G. Wang, Y. Han, G. Lu, G. Pang and S. Feng, J. Mater. Chem. A, 2013, 1, 8653
DOI: 10.1039/C3TA11506B

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