Journal
JOURNAL OF ALLOYS AND COMPOUNDS
Volume 780, Issue -, Pages 498-503Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2018.11.367
Keywords
BaZrO3; Hollow structure; Pure water; Photocatalysis; Oxygen vacancy
Categories
Funding
- National Natural Science Foundation of China [11234011, 11327901, 51102208]
- Fundamental Research Funds for the Central Universities [2014QNA4008, 2017QNA4011]
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It is very challenging to synthesize perovskite oxides with controlled morphology and defect states at the same time. In this work, the BaZrO3 hollow nanostructures with oxygen vacancies were facilely synthesized through one-step solvothermal method using ethylenediamine (EDA) as solvent. The as-synthesized BaZrO3 could split pure water into H-2 without addition of sacrificial agent under UV light irradiation. The photocatalytic H-2 production rate is about 15 times than that of the commercial BaZrO3 (BZO-C). It is believed that the presence of oxygen vacancies and the hollow morphology made contribution to the improvement of photocatalytic performance. This work provides a reference for microstructure and defect modification of photocatalysts at the same time to enhance the photocatalytic performance. (C) 2018 Elsevier B.V. All rights reserved.
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