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- Lee, Jae Sung
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A composite photocatalyst of CdS nanoparticles deposited on TiO2 nanosheets
- Alternative Title
- A composite photocatalyst of CdS nanoparticles deposited on TiO2 nanosheets
- Author(s)
- Jang, Jurn Suk, Choi, Sun Hee, Park, Hyunwoong, Choi, Wonyong, Lee, Jae Sung
- Issued Date
- 2006-11
- Citation
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.6, no.11, pp.3642 - 3646
- Abstract
- A nanocomposite photocatalyst consisting of deposited CdS nanoparticles on TiO2 nanosheets was fabricated by a simple one-pot method. The contact between two phases was maximized by making a composite structure of TiO2 nanosheet decorated with CdS nanoparticles. The composite photocatalyst showed higher photoactivity for hydrogen production from aqueous Na2S/Na2SO3 solution and decomposition of methylene blue under visible light irradiation (lambda >= 420 nm) compared with single component CdS nanoparticles or a physical mixture of CdS nanoparticles and TiO2 nanorods. The intentional formation of nanoscale heterojunctions between two phases appears beneficial for inducing an efficient electron-hole separation
- Publisher
- AMER SCIENTIFIC PUBLISHERS
- ISSN
- 1533-4880
- Keyword (Author)
- CdS, TiO2, photocatalyst, hydrogen, nanoparticle-nanosheet composite
- Keyword
- INTERPARTICLE ELECTRON-TRANSFER, PARTICLES
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