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Issue 83, 2019
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Enhanced photocatalytic hydrogen production from aqueous-phase methanol reforming over cyano-carboxylic bifunctionally-modified carbon nitride

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Abstract

Polymeric carbon nitride is a promising candidate for metal-free photocatalysis, but it is hampered by low activity due to poor carrier separation efficiency and lack of active sites. We have constructed a bifunctionally-modified structure, containing cyano groups internally and carboxyl groups on the surface, that was about 205 times more active than unmodified carbon nitride. The internal cyano groups enhanced the photoelectric performance of carbon nitride, while the surface carboxyl groups acted as active sites to promote hydrogen production. It is anticipated that this work will inform the rational design of polymeric carbon nitride and inspire similar attempts to modify polymers.

Graphical abstract: Enhanced photocatalytic hydrogen production from aqueous-phase methanol reforming over cyano-carboxylic bifunctionally-modified carbon nitride

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Supplementary files

Article information


Submitted
24 Aug 2019
Accepted
25 Sep 2019
First published
26 Sep 2019

Chem. Commun., 2019,55, 12503-12506
Article type
Communication

Enhanced photocatalytic hydrogen production from aqueous-phase methanol reforming over cyano-carboxylic bifunctionally-modified carbon nitride

H. Tan, P. Kong, M. Liu, X. Gu and Z. Zheng, Chem. Commun., 2019, 55, 12503
DOI: 10.1039/C9CC06600D

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