期刊
MATERIALS LETTERS
卷 268, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.matlet.2020.127560
关键词
Semiconductors; Nanocomposites; Photocatalysis; Urchin-like; CO2 photoreduction
资金
- National Natural Science Foundation of China [51303083]
- Natural Science Foundation of Jiangsu Province [BK20191293]
- China Postdoctoral Science Foundation [2017m621708]
- Fundamental Research Funds for the Central Universities [30917011310]
A well-defined urchin-like g-C3N4/NiAl-LDH heterojunction is constructed through self-sacrificing template process. The hollow core is consisted of g-C3N4 nanoparticles on which NiAI-LDH nanoplates are in-situ grow-out. The hollow cavity and spiny external surface endow g-C3N4/NiAl-LDH with high specific surface areas, favourable capacity of mass transfer and capture of reactant. The charge transfer between the components promotes the separation of photoinduced charge carriers and the efficiency of photon utilization. Combined with the highly exposed reactive sites, the photocatalytic CO production rate of g-C3N4/NiAl-LDH reaches 27.02 mu mol g(-1)h(-1), which is 4.8 and 7.2 times that of g-C3N4 and NiAI-LDH, respectively. (C) 2020 Elsevier B.V. All rights reserved.
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