Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 36, Issue 21, Pages 13501-13507Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2011.08.052
Keywords
Carbon nitride; Photocatalyst; Visible light; SrTiO3
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Funding
- EPSRC through the NSF/EPSRC
- EPSRC
- EPSRC [EP/E064248/1, EP/H004130/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/E064248/1, EP/H004130/1] Funding Source: researchfish
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A highly active photocatalyst based on g-C3N4 coated SrTiO3 has been synthesized simply by decomposing urea in the presence of SrTiO3 at 400 degrees C. The catalyst demonstrates a high H-2 production rate similar to 440 mu mol h(-1)/g catalyst in aqueous solution under visible light irradiation, which is much higher than conventional anion doped SrTiO3 or physical mixtures of g-C3N4 and SrTiO3. The improved photocatalytic activity can be ascribed to the close interfacial connections between g-C3N4 and SrTiO3 where photo-generated electron and holes are effectively separated. The newly synthesized catalyst also exhibited a stable performance in the repeated experiments. Copyright (C) 2011, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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