期刊
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
卷 44, 期 21, 页码 10316-10327出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2019.03.006
关键词
g-C3N4; rGO; Ni2P; Photocatalyst; Hydrogen production
资金
- Chinese National Natural Science Foundation [41663012, 21263001, 21603274]
- North Minzu University scientific research project [2016 HG-KY 06]
- Ningxia low-grade resource high value utilization and environmental chemical integration technology
- Post-graduated Innovation Research Program of North Minzu University [YCX 18082]
On account of on the dominant performance of Ni2P, rGO and g-C3N4 itself, with a view to conquer the disadvantages of Ni2P, rGO and g-C3N4 its own, the g-C3N4/rGO/Ni2P is successfully designed and prepared by a simple hydrothermal reaction, which is used in dye sensitized system for high-efficient photocatalytic H-2 evolution. The rGO is adhered to the outside appearance of the g-C3N4 nanosheets and fish-scale shape Ni2P is anchored on the surface of rGO and g-C3N4. The above three forms a synergistic effect. The maximum amount of H-2 evolution reaches about 266 mu mol for 5 h over the g-C3N4/rGO/Ni2P photo-catalyst when the content of rGO is 8%, which is 10.6 times higher than g-C3N4. Synergy between the above three materials is certified by some characterizations and the results of which are consistent with each other. In addition, the possible mechanism of photo-catalytic hydrogen production is proposed. (C) 2019 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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