Journal
JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY
Volume 90, Issue 11, Pages 1937-1948Publisher
WILEY
DOI: 10.1002/jctb.4745
Keywords
defect pyrochlore; photocatalytic activity; light irradiation; dye degradation; water splitting
Categories
Funding
- Department of Science and Technology (DST), New Delhi
- UGC, New Delhi
- Council of Scientific and Industrial Research (CSIR), New Delhi
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Photocatalytic technology utilizing abundant solar light holds great promise to tackle many challenging environmental and energy issues. In recent years, various types of photocatalysts have been developed that are active for environmental purification and hydrogen production. Papers reporting preparation, characterization and photocatalytic testing of binary, ternary and quaternary compounds have been reviewed. The present review focuses on photocatalyst materials which adopt a defect pyrochlore structure. Starting with a brief introduction to semiconductor-based photocatalysts for environmental clean-up and hydrogen generation from water splitting, the development of high-efficiency UV and visible light driven photocatalysts belonging to the defect pyrochlore family is reviewed. The review covers all the defect pyrochlore photocatalysts studied so far, and provides guidance to researchers in this area for further investigation of these materials. (c) 2015 Society of Chemical Industry
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