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Issue 5, 2016
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Overall water splitting by Pt/g-C3N4 photocatalysts without using sacrificial agents

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Abstract

We report the direct splitting of pure water by light-excited graphitic carbon nitride (g-C3N4) modified with Pt, PtOx, and CoOx as redox cocatalysts, while pure g-C3N4 is virtually inactive for overall water splitting by photocatalysis. The novelty is in the selective creation of both H2 and O2 cocatalysts on surface active sites of g-C3N4via photodeposition triggering the splitting of water for the simultaneous evolution of H2 and O2 gases in a stoichiometric ratio of 2 : 1, irradiated with light, without using any sacrificial reagents. The photocatalyst was stable for 510 hours of reaction.

Graphical abstract: Overall water splitting by Pt/g-C3N4 photocatalysts without using sacrificial agents

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Supplementary files

Article information


Submitted
27 Nov 2015
Accepted
27 Jan 2016
First published
27 Jan 2016

This article is Open Access
All publication charges for this article have been paid for by the Royal Society of Chemistry

Chem. Sci., 2016,7, 3062-3066
Article type
Edge Article

Overall water splitting by Pt/g-C3N4 photocatalysts without using sacrificial agents

G. Zhang, Z. Lan, L. Lin, S. Lin and X. Wang, Chem. Sci., 2016, 7, 3062
DOI: 10.1039/C5SC04572J

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