期刊
CHINESE JOURNAL OF CATALYSIS
卷 40, 期 3, 页码 320-325出版社
SCIENCE PRESS
DOI: 10.1016/S1872-2067(18)63169-9
关键词
3D flower-like core-shell microspheres; TiO2; Ni(OH)(2); Photocatalytic hydrogen production
资金
- National Natural Science Foundation of China [21773031]
- Natural Science Foundation of Fujian Province [2018101686]
- State Key Laboratory of Photocatalysis on Energy and Environment [SKLPEE-2017A01, SKLPEE-2017B02]
TiO2@Ni(OH)(2) core-shell microspheres were synthesized by a facile strategy to obtain a perfect 3D flower-like nanostructure with well-arranged Ni(OH)(2) nanoflakes on the surfaces of TiO2 micro spheres; this arrangement led to a six-fold enhancement in photocatalytic hydrogen evolution. The unique p-n type heterostructure not only promotes the separation and transfer of photogenerated charge carriers significantly, but also offers more active sites for photocatalytic hydrogen production. A photocatalytic mechanism is proposed based on the results of electrochemical measurements and X-ray photoelectron spectroscopy. (C) 2019, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
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