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Catalysts 2013, 3(1), 1-10; doi:10.3390/catal3010001
Article

Preparation and Photocatalytic Properties of Sr2−xBaxTa3O10−yNz Nanosheets

1,2,3,* , 1
,
1,2
 and
1,2
1 Department of Applied Chemistry, Faculty of Engineering, Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan 2 International Institute for Carbon Neutral Energy Research (I2CNER), Kyushu University, Motooka 744, Nishi-ku, Fukuoka 819-0395, Japan 3 Precursory Research for Embryonic Science and Technology (PRESTO), Japan Science and Technology Agency, 4-1-8 Honcho Kawaguchi, Saitama 332-0012, Japan
* Author to whom correspondence should be addressed.
Received: 11 November 2012 / Revised: 17 December 2012 / Accepted: 9 January 2013 / Published: 16 January 2013
(This article belongs to the Special Issue Photocatalysts)
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Abstract

Sr2−xBaxTa3O10yNz (x = 0.0, 0.5, 1.0) nanosheets were prepared by exfoliating layered perovskite compounds (CsSr2−xBaxTa3O10yNz). The Sr1.5Ba0.5Ta3O9.7N0.2 nanosheet showed the highest photocatalytic activity for H2 production from the water/methanol system among the Sr2−xBaxTa3O9.7N0.2 nanosheets prepared. In addition, Rh-loaded Sr1.5Ba0.5Ta3O9.6N0.3 nanosheet showed the photocatalytic activity for oxygen and hydrogen production from water. The ratio of hydrogen to oxygen evolved was around two. These results indicate that the Rh-loaded Sr1.5Ba0.5Ta3O9.6N0.3 nanosheet is a potential catalyst for photocatalytic water splitting.
Keywords: nanosheet; water splitting; exfoliation nanosheet; water splitting; exfoliation
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).
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Ida, S.; Okamoto, Y.; Hagiwara, H.; Ishihara, T. Preparation and Photocatalytic Properties of Sr2−xBaxTa3O10−yNz Nanosheets. Catalysts 2013, 3, 1-10.

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