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

Preparation and Photocatalytic Properties of Sr2−xBaxTa3O10−yNz Nanosheets

1,2,3,* , 1
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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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) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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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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