Journal
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
Volume 188, Issue 1, Pages 112-119Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jphotochem.2006.11.027
Keywords
CdS; TiO2; nano-bulk composite (NBC); H-2 evolution
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Funding
- National Research Foundation of Korea [2006-06994, 과C6A1906, R0A-2005-000-10031-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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A CdS/TiO2 nano-bulk composite photocatalyst consisting of bulky CdS with a high crystallinity decorated with nanosized TiO2 particles was fabricated by precipitation method and sol-gel synthesis. This configuration of the composite photocatalyst exhibited a very high rate of hydrogen production under visible light irradiation (lambda >= 420 nm) from water containing sulfide and sulfite as hole scavengers. In this work, we investigated the physicochemical properties of CdS(bulk)/TiO2 composite photocatalysts and optimized their preparation conditions for the high photocatalytic activity of hydrogen production from water containing Na2S and Na2SO3 as a sacrificial reagents under visible light irradiation. (c) 2006 Elsevier B. V. All rights reserved.
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