Journal
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
Volume 156, Issue 1-3, Pages 249-252Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/S1010-6030(02)00433-1
Keywords
photocatalyst; H-2 evolution; visible-light response; zinc sulfide; lead
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Pb-doped ZnS showed a photocatalytic activity for H-2 evolution from an aqueous K2SO3 solution under visible-light irradiation (lambda > 420 nm) even without a Pt cocatalyst. Codoping of a halogen ion with Pb improved the photocatalytic activity. The visible-light response was due to the transition from a 6s orbital of Pb2+ to the conduction band of ZnS of the host material. (C) 2003 Elsevier Science B.V All rights reserved.
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