Journal
MATERIALS LETTERS
Volume 178, Issue -, Pages 308-311Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2016.05.026
Keywords
Semiconductors; Energy storage and conversion; Interfaces; Microstructure
Funding
- National Natural Science Foundation of China (NSFC) [21306119]
- Provincial Natural Science Foundation of Sichuan [2013FZ0034, 2013JY0150]
- Outstanding Young Scientist Foundation of Sichuan University [2013SCU04A23]
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The CuO micro-sphere combined with the g-C3N4 to form the p-n heterojunction was first prepared by the simple impregnation calcination technique. The SEM and XPS revealed the tight combination between CuO micro-sphere and g-C3N4 The UV spectra and PL spectra confirmed the obvious red shift to improve visible light absorption and effective light-induced carriers separation. The hydrogen evolution rate was improved more than 100% compared with pure g-C3N4. It is revealed that the more broad visible light absorption range and the p-n heterojuction mechanism was the key factor to facilitate the photocatalytic performance of hydrogen evolution. (C) 2016 Elsevier B.V. All rights reserved.
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