期刊
ACS APPLIED MATERIALS & INTERFACES
卷 11, 期 25, 页码 22264-22271出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.9b03747
关键词
charge separation; anisotropic facet; flux method; (oxy)nitride photocatalyst; photocatalytic activity
资金
- Artificial Photosynthesis Project of the New Energy and Industrial Technology Development Organization (NEDO)
Low charge separation efficiencies are regarded as obstacles that limit the improvement in the photocatalytic performance of BaTaO2N. In this study, we demonstrated that the anisotropic facets ({100} and {110} facets) of BaTaO2N for efficient spatial charge separation were successfully constructed using the one-pot flux-assisted nitridation approach. As a result, the photocatalytic activity for H-2 production on BaTaO2N with coexposed {100} and {110} facets was nearly 10-fold over that of BaTaO2N with only {100} facets and that of the conventional irregularly shaped sample. This finding provides an innovative approach to the development of efficient (oxy)nitride photocatalysts for solar energy conversion.
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