Optimization of CdS/TiO2 nano-bulk composite photocatalysts for hydrogen production from Na2S/Na2SO3 aqueous electrolyte solution under visible light (lambda >= 420 nm)
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- Title
- Optimization of CdS/TiO2 nano-bulk composite photocatalysts for hydrogen production from Na2S/Na2SO3 aqueous electrolyte solution under visible light (lambda >= 420 nm)
- Authors
- Jang, JS; Ji, SM; Bae, SW; Son, HC; Lee, JS
- Date Issued
- 2007-04-30
- Publisher
- ELSEVIER SCIENCE SA
- Abstract
- 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.
- Keywords
- CdS; TiO2; nano-bulk composite (NBC); H-2 evolution; CADMIUM-SULFIDE; CDS; WATER; PARTICLES; PHOTOCORROSION; DECOMPOSITION; IRRADIATION; FILMS; TIO2
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/23424
- DOI
- 10.1016/j.jphotochem.2006.11.027
- ISSN
- 1010-6030
- Article Type
- Article
- Citation
- JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY, vol. 188, no. 1, page. 112 - 119, 2007-04-30
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