期刊
RESULTS IN PHYSICS
卷 13, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.rinp.2019.02.053
关键词
Photocatalyst; RhB degradation; Photodetector; Quantum efficiency
资金
- 973 Programs [2014CB239302, 2013CB632404]
- National Natural Science Foundation of China [21802071, 21773114, 21473091, 21473183, 61474066]
- National Natural Science Foundation of Jiangsu Province [BK20170979]
- International Science and Technology Cooperation Project of Anhui Province [1704e1002212]
- Open Research Fund of Jiangsu Provincial Key Laboratory for Nanotechnology, Nanjing University
Monoclinic phase Bi6Mo2O15 sub-microwires were fabricated by one-step molten salt method. These sub-microwires were found to be much more active than Bi2MoO6 in photocatalytic degradation of rhodamine B (RhB) under sunlight irradiation. The degradation velocity of Bi6Mo2O15 is 98% four times than Bi2MoO6 which might be attributed to its surface oxygen atoms surrounding Bi elements. In particular, the individual ultra-long (similar to 60 mu m) Bi6Mo2O15 sub-microwire was employed as an ultraviolet photodetector, which shows an ultrahigh quantum efficiency of 2.95x10(7)% under a wavelength of 254 nm illumination. This study provides a feasible alternative to development of nanocomposite photocatalysts with multi atom unit which manifest important photocatlytic and photoelectochemical applications.
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