Citation: Wei Zhang, Hongwen Zhang, Jianzhong Xu, Huaqiang Zhuang, Jinlin Long. 3D flower-like heterostructured TiO₂@Ni(OH)₂ microspheres for solar photocatalytic hydrogen production[J]. Chinese Journal of Catalysis, ;2019, 40(3): 320-325. doi: 10.1016/S1872-2067(18)63169-9 shu

3D flower-like heterostructured TiO₂@Ni(OH)₂ microspheres for solar photocatalytic hydrogen production

a College of Chemistry and Environmental Science, Hebei University, Baoding 071002, Hebei, China;
b State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350116, Fujian, China;
c College of Chemical Engineering and Materials, Quanzhou Normal University, Quanzhou 362000, Fujian, China

Received Date: 25 July 2018
Revised Date: 20 September 2018

Fund Project: This work was supported by the National Natural Science Foundation of China (21773031), the Natural Science Foundation of Fujian Province (2018J01686), and the State Key Laboratory of Photocatalysis on Energy and Environment (SKLPEE-2017A01 and 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 microspheres; 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.
- 3D flower-like core-shell microspheres,
- TiO₂,
- Ni(OH)₂,
- Photocatalytic hydrogen production
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通讯作者: 陈斌, bchen63@163.com

3D flower-like heterostructured TiO₂@Ni(OH)₂ microspheres for solar photocatalytic hydrogen production