期刊
ENVIRONMENTAL CHEMISTRY LETTERS
卷 20, 期 5, 页码 3039-3069出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s10311-022-01472-3
关键词
CoTiO3; Photocatalyst; Heterojunction; Doping; Composite; Interfacial engineering
资金
- Ministry of Science and Technology (MOST), Taiwan
- Ming Chi University of Technology [111-2221-E-131-010, VK000-1300-111]
Photocatalysis is a green chemical process that tackles energy and pollution issues. Cobalt titanate, CoTiO3, is a potential catalyst with high oxidative activity, but its performance is limited by charge recombination. The introduction of a second semiconductor through interfacial engineering can enhance its activity.
Photocatalysis is a green chemical process that could partly solve energy and pollution issues. Catalysts such as cobalt titanate, CoTiO3, have intrigued scientists due to a visible light-responsive band gap of about 2.3 eV and a high valance band potential of about 2.35 eV that allow a remarkable oxidative activity. Nonetheless, CoTiO3 photocatalytic activity is limited by charge recombination, thus requiring modifications. For instance, the introduction of a second semiconductor allows improved charge separation and notable enhancement of the activity. Here we review interfacial engineering of CoTiO3 by introduction of a second semiconductor. We describe the synthesis and photocatalytic applications of bare and modified CoTiO3. Modified CoTiO3 composites are categorized into Type-I, Type-II, Z-scheme, and S-scheme heterojunctions, depending on the band structures of the composite.
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