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Lee, Jae Sung
Eco-friendly Catalysis and Energy Lab
Research Interests
  • Photocatalytic water splitting, artificial photosynthesis, fuel cells, heterogeneous catalysis

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A composite photocatalyst of CdS nanoparticles deposited on TiO2 nanosheets

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Title
A composite photocatalyst of CdS nanoparticles deposited on TiO2 nanosheets
Other Titles
A composite photocatalyst of CdS nanoparticles deposited on TiO2 nanosheets
Author
Jang, Jurn SukChoi, Sun HeePark, HyunwoongChoi, WonyongLee, Jae Sung
Keywords
CdS; TiO2; photocatalyst; hydrogen; nanoparticle-nanosheet composite
Issue Date
2006-11
Publisher
AMER SCIENTIFIC PUBLISHERS
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
URI
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DOI
10.1166/jnn.2006.073
ISSN
1533-4880
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ECHE_Journal Papers
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