Switching of semiconducting behavior from n-type to p-type induced high photocatalytic NO removal activity in g-C3N4
Luo, JM (Luo, Jianmin); Dong, GH (Dong, Guohui); Zhu, YQ (Zhu, Yunqing); Yang, Z (Yang, Zhong); Wang, CY (Wang, Chuanyi)
2017
Source PublicationAPPLIED CATALYSIS B-ENVIRONMENTAL
Volume214Issue:10Pages:46-56
AbstractThe utilization of photocatalytic technology to remove air pollutants has attracted global interest. However, it still suffers from low removal activities under visible light irradiation. In this study, we demonstrated that the switching of the semiconducting behavior from n-type to p-type can efficiently improve the photocatalytic activity of g-C3N4 for nitric oxide (NO) removal about 3.5 times. This is due to that such switching could change the majority of carriers in g-C3N4 from electrons to holes. Interestingly, the photocatalytic removal of NO in both n-type and p-type g-C3N4 is proceeded via hole oxidation. More importantly, p-type g-C3N4 displays strong stability in both photocatalytic performance and crystal structures. This study provides a new strategy to improve the photocatalytic activity of semiconductors for air pollution removal.
KeywordP-type G-c3n4 Semiconducting Behavior Switching No Removal Photocatalysis Charge Carriers
DOI10.1016/j.apcatb.2017.05.016
Indexed BySCI
WOS IDWOS:000403059500005
Citation statistics
Cited Times:27[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/4864
Collection中国科学院特殊环境功能材料与器件重点试验室
Affiliation1.Chinese Acad Sci, Lab Environm Sci & Technol, Key Lab Funct Mat & Devices Special Environm, Xinjiang Tech Inst Phys & Chem, Urumqi 830011, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
3.Xinjiang Uygur Autonomous Reg Acad Instrument Ana, Urumqi 830011, Peoples R China
4.Shaanxi Univ Sci & Technol, Sch Environm Sci & Engn, Xian 710021, Peoples R China
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GB/T 7714
Luo, JM ,Dong, GH ,Zhu, YQ ,et al. Switching of semiconducting behavior from n-type to p-type induced high photocatalytic NO removal activity in g-C3N4[J]. APPLIED CATALYSIS B-ENVIRONMENTAL,2017,214(10):46-56.
APA Luo, JM ,Dong, GH ,Zhu, YQ ,Yang, Z ,&Wang, CY .(2017).Switching of semiconducting behavior from n-type to p-type induced high photocatalytic NO removal activity in g-C3N4.APPLIED CATALYSIS B-ENVIRONMENTAL,214(10),46-56.
MLA Luo, JM ,et al."Switching of semiconducting behavior from n-type to p-type induced high photocatalytic NO removal activity in g-C3N4".APPLIED CATALYSIS B-ENVIRONMENTAL 214.10(2017):46-56.
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