Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 39, Issue 17, Pages 9105-9113Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2014.03.248
Keywords
Graphite-like carbon nitride; Fe2O3; Nanocomposites; Charge transfer; Photoelectrochemical property
Categories
Funding
- National Natural Science Foundation of China [21273080, 21003051]
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Novel photocatalysts, which consist of two visible light responsive semiconductors including graphite-like carbon nitride (g-C3N4) and Fe2O3, were successfully synthesized via electrodeposition followed by chemical vapor deposition. The morphology of the g-C3N4/Fe2O3 can be tuned from regular nanosheets to porous cross-linked nanostructures. Remarkably, the optimum activity of the g-C3N4/Fe2O3 is almost 70 times higher than that of individual Fe2O3 for photoelectrochemical water splitting. The enhancement of photoelectrochemical activity could be assigned to the morphology change of the photocatalysts and the effective separation and transfer of photogenerated electrons and holes originated from the intimately contacted interfaces. The g-C3N4/Fe2O3 composites could be developed as high performance photocatalysts for water splitting and other optoelectric devices. Copyright (C) 2014, Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
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