期刊
ACS APPLIED MATERIALS & INTERFACES
卷 8, 期 43, 页码 29511-29521出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.6b10480
关键词
TiO2; NiO; carbon; mesoporous shells; photocatalyst
资金
- National Natural Science Foundation of China [21673202, 21273004]
- Innovation Program for Graduate Students in Universities of Jiangsu Province [KYZZ15_0361]
- Excellent Doctoral Dissertation of Yangzhou University
- Qing Lan Project
- Priority Academic Program Development of Jiangsu Higher Education Institutions
- U.S. Department of Energy, Office of Science, Basic Energy Sciences, Chemical Sciences, Geosciences, & Biosciences (CSGB) Division [DE-SC0002247]
Carbon-incorporated mesoporous NiO/TiO2 (NiO/TiO2/C) hybrid shells as low-cost and highly efficient visible light photocatalysts have been developed. The NiO/TiO2/C hybrid shells were synthesized by choosing polystyrene nanospheres as templates, followed by TiO2 and NiO coating, and finally the calcination post-treatment to carbonize PS with the aid of metal oxides. Polystyrene nanospheres serve dual purposes as both a template to ensure the hollow structure and the electrically conductive graphite carbon source. Evaluation of their photocatalytic activity by organic pollutes (rhodamine B, methylene blue, and phenol) degradation and H-2 production under visible light demonstrated the superior photocatalytic performance, thanks to the enhanced visible-light absorption and exciton separation associated with, the incorporation of electrically conductive graphite carbon.
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