Issue 15, 2022

In situ growth of crystalline carbon nitride on LaOCl for photocatalytic overall water splitting

Abstract

Photocatalytic overall water splitting is an ideal pathway to store solar energy, and produce clean and sustainable hydrogen fuel. However, exploring photocatalytic materials with high efficiency for overall water splitting remains a challenge. Herein, crystalline carbon nitride (CCN) was in situ grown on LaOCl to improve the performance for overall water splitting. Owing to the enhanced photogenerated carrier transfer by crystalline carbon nitride, and the promoted spatial separation of carriers via the built-in electric field between CCN and LaOCl, the optimized CCN/LaOCl composite catalyzes the decomposition of H2O into H2 and O2, with evolution rates of 60.6 and 28.1 μmol h−1, respectively, prominently surpassing those of most of the reported carbon nitride-based photocatalysts. This work is anticipated to provide new perspectives for the rational design and preparation of CCN-based hybrid photocatalysts for solar water splitting.

Graphical abstract: In situ growth of crystalline carbon nitride on LaOCl for photocatalytic overall water splitting

Supplementary files

Article information

Article type
Paper
Submitted
04 Jan 2022
Accepted
06 Mar 2022
First published
07 Mar 2022

J. Mater. Chem. A, 2022,10, 8252-8257

In situ growth of crystalline carbon nitride on LaOCl for photocatalytic overall water splitting

Y. Lin, X. Wang, X. Fu and W. Su, J. Mater. Chem. A, 2022, 10, 8252 DOI: 10.1039/D2TA00068G

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