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Probing the effect of P-doping in polymeric carbon nitride on CO2 photocatalytic reduction.
Guo, Yangkun; Wang, Min; Tian, Jianjian; Shen, Meng; Zhang, Lingxia; Shi, Jianlin.
Afiliación
  • Guo Y; State Key Laboratory of High performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, P. R. China. jlshi@mail.sic.ac.cn and Center of Materials Science and Optoelectronics Engineering, University of Chinese Ac
  • Wang M; State Key Laboratory of High performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, P. R. China. jlshi@mail.sic.ac.cn and Center of Materials Science and Optoelectronics Engineering, University of Chinese Ac
  • Tian J; State Key Laboratory of High performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, P. R. China. jlshi@mail.sic.ac.cn and Center of Materials Science and Optoelectronics Engineering, University of Chinese Ac
  • Shen M; State Key Laboratory of High performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, P. R. China. jlshi@mail.sic.ac.cn and Center of Materials Science and Optoelectronics Engineering, University of Chinese Ac
  • Zhang L; State Key Laboratory of High performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, P. R. China. jlshi@mail.sic.ac.cn and Center of Materials Science and Optoelectronics Engineering, University of Chinese Ac
  • Shi J; State Key Laboratory of High performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Dingxi Road, Shanghai, 200050, P. R. China. jlshi@mail.sic.ac.cn and Center of Materials Science and Optoelectronics Engineering, University of Chinese Ac
Dalton Trans ; 49(44): 15750-15757, 2020 Nov 17.
Article en En | MEDLINE | ID: mdl-33146211
Developing highly efficient photocatalysts is of crucial importance to solve the energy crisis and global warming issues. In this work, a P-doped polymeric carbon nitride (CN) photocatalyst was synthesized by one-step copolymerization of guanidine hydrochloride and phosphonitrilic chloride trimer. The doping of P in CN was found to alter the electronic structure, enhance the charge separation and transfer, and promote the CO2 adsorption and activation, making it an efficient CO2 photoreduction catalyst. At the optimized P dose, the CO evolution amount on P-doped CN reached 0.349 µmol (30 mg, 3 h), which was 3.5 times that of pure CN. The process of CO2 photoreduction on P-doped CN was investigated by in situ FTIR analysis, revealing that P doping could promote the formation of a CO2- intermediate. A possible mechanism has been proposed, which may provide new insights into the effect of non-metal element doping in CN on its CO2 photocatalytic reduction performance.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Dalton Trans Asunto de la revista: QUIMICA Año: 2020 Tipo del documento: Article Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Dalton Trans Asunto de la revista: QUIMICA Año: 2020 Tipo del documento: Article Pais de publicación: Reino Unido