Journal
APPLIED CATALYSIS B-ENVIRONMENTAL
Volume 150, Issue -, Pages 466-471Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcatb.2013.12.047
Keywords
Heterostructured; Hydrogen production; Photocatalyst; Photosensitizer; Water splitting
Funding
- NSF of China [51238002, 51272099, 51378246, 20801026]
- NSF of Jiangxi Province [KJLD12002, 20133ACB21001, 20122BCB23013, 20114BAB203005]
- Foundation of State Key Laboratory of Structural Chemistry [20100015]
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CdS/Ba1-xZnxTiO3 heterostructured photocatalysts were developed as a highly efficient and stable system for photocatalytic evolution of hydrogen from water splitting. In the system, CdS not only functions as photosensitizer to absorb visible light, but also participates with Ba1-xZnxTiO3 for the generation of heterojunctions that block the recombination of photogenerated electrons and holes. The photocatalysts show excellent activity and stability, giving a high H-2 production rate of 1473 mu mol h(-1) g(-1) under the irradiation of simulated solar light in a test period of 480 h without loading any noble metal as cocatalyst or any reagents for regeneration. This study demonstrates that the development of CdS nanoparticles as photosensitizer is feasible for the photocatalytic H-2 production. (C) 2014 Elsevier B.V. All rights reserved.
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