Graphite carbon nitride doped with a benzene ring for enhanced photocatalytic H evolution

Graphitic carbon nitride (g-C 3 N 4 ) has been identified as a promising material for photocatalytic hydrogen (H 2 ) production, but it shows a low activity. Herein, g-C 3 N 4 doped with a benzene ring (B-CN x ) was synthesized via a simple thermal polycondensation method, exhibits 5.4 times higher...

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Published in:Chemical communications (Cambridge, England) England), 2021-03, Vol.57 (24), p.342-345
Main Authors: Yuan, Hai Yang, Bai, Jing Yang, Xu, Beibei, Li, Xin Yan, Xiao, Shi Yang, Liu, Peng Fei, Wang, Xue Lu, Yang, Hua Gui
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Summary:Graphitic carbon nitride (g-C 3 N 4 ) has been identified as a promising material for photocatalytic hydrogen (H 2 ) production, but it shows a low activity. Herein, g-C 3 N 4 doped with a benzene ring (B-CN x ) was synthesized via a simple thermal polycondensation method, exhibits 5.4 times higher H 2 evolution rate than the pristine one, and achieves a high apparent quantum yield of 4.11% at 420 nm. g-C 3 N 4 doped with a benzene ring was synthesized by one-step polycondensation, exhibiting accelerated charge separation and transfer abilities.
ISSN:1359-7345
1364-548X
DOI:10.1039/d0cc08345c