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Shallow trap state-enhanced photocatalytic hydrogen evolution over thermal-decomposed polymeric carbon nitride

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Abstract

We investigate the photogenerated electron kinetics of a thermal-decomposed polymeric carbon nitride (TCN) synthesized in air using femtosecond time-resolved diffuse reflectance spectroscopy. We find that the oxygen functional groups in TCN contribute to the formation of reactive shallow trap states for photogenerated electrons, leading to an enhanced activity for photocatalytic hydrogen evolution.

Graphical abstract: Shallow trap state-enhanced photocatalytic hydrogen evolution over thermal-decomposed polymeric carbon nitride

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Article information


Submitted
11 Mar 2020
Accepted
21 Apr 2020
First published
22 Apr 2020

Chem. Commun., 2020, Advance Article
Article type
Communication

Shallow trap state-enhanced photocatalytic hydrogen evolution over thermal-decomposed polymeric carbon nitride

J. Xue, M. Fujitsuka and T. Majima, Chem. Commun., 2020, Advance Article , DOI: 10.1039/D0CC01870H

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