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Probing the effect of P-doping in polymeric carbon nitride on CO2 photocatalytic reduction
Guo, YK; Wang, M; Tian, JJ; Shen, M; Zhang, LX; Shi, JL
2020-11-28
Source PublicationDALTON TRANSACTIONS
ISSN1477-9226
Issue44Pages:15750
SubtypeArticle
AbstractDeveloping 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 mu mol (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.
DOI10.1039/d0dt03229h
WOS KeywordSULFUR-CODOPED G-C3N4 ; FACILE PREPARATION ; PHOSPHORUS ; DEGRADATION ; ELECTRONEGATIVITIES ; PERFORMANCE ; NITROGEN ; SURFACE
Language英语
WOS Research AreaChemistry
PublisherROYAL SOC CHEMISTRY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27610
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Guo, YK,Wang, M,Tian, JJ,et al. Probing the effect of P-doping in polymeric carbon nitride on CO2 photocatalytic reduction[J]. DALTON TRANSACTIONS,2020(44):15750.
APA Guo, YK,Wang, M,Tian, JJ,Shen, M,Zhang, LX,&Shi, JL.(2020).Probing the effect of P-doping in polymeric carbon nitride on CO2 photocatalytic reduction.DALTON TRANSACTIONS(44),15750.
MLA Guo, YK,et al."Probing the effect of P-doping in polymeric carbon nitride on CO2 photocatalytic reduction".DALTON TRANSACTIONS .44(2020):15750.
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