Photocatalytic effect of SrZnO2 thin films

MRS Online Proceedings Library volume 1601, Article number: 3 (2013) Cite this article

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Abstract

The SrZnO2 thin films were fabricated by using laser ablation method. The films were annealed after deposition in order to improve the crystallinity. Water splitting experiments were carried out and hydrogen production over the SrZnO2 thin films were confirmed with no applied bias. The band gap of SrZnO2 was 3.41 eV which is 0.15 eV larger than that of ZnO. It suggests that the band gap was increased by doping Sr to ZnO, and the reducibility was improved. As a result, the rate of photocatalytic hydrogen production over the SrZnO2 was increased compared to ZnO.

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Affiliations

  1. Advanced Device Laboratories and Department of Physics, Tokyo University of Science, Shinjuku, Tokyo, 162-8601, Japan

    Tohru Okamoto, Taro Ogita, Susumu Harako & Xinwei Zhao

  2. Toyo University, Kawagoe, Saitama, 350-8585, Japan

    Shuji Komuro

Authors
  1. Tohru Okamoto
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  2. Taro Ogita
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  3. Susumu Harako
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  4. Shuji Komuro
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  5. Xinwei Zhao
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Correspondence to Tohru Okamoto.

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A correction to this article is available at https://doi.org/10.1557/opl.2014.137

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Okamoto, T., Ogita, T., Harako, S. et al. Photocatalytic effect of SrZnO2 thin films. MRS Online Proceedings Library 1601, 3 (2013). https://doi.org/10.1557/opl.2013.1147

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