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Fabrication and characterization of CdS doped TiO2 nanotube composite and its photocatalytic activity for the degradation of methyl orange

Title
Fabrication and characterization of CdS doped TiO2 nanotube composite and its photocatalytic activity for the degradation of methyl orange
Author
김종오
Keywords
cadmium sulfide; chemical bath deposition; doping; TiO2 nanotube
Issue Date
2015-09
Publisher
IWA PUBLISHING
Citation
WATER SCIENCE AND TECHNOLOGY, v. 72, NO 8, Page. 1341-1347
Abstract
CdS doped TiO2 nanotube composite was fabricated by chemical bath deposition, and was characterized by the structural, spectral and photoelectrochemical properties. The results of the structural and spectral properties showed that CdS particles were successfully deposited onto the surface of TiO2 nanotube. It is demonstrated that CdS doped TiO2 nanotube composite improved the light harvesting ability. Power conversion efficiency of about 0.32% was observed. This value is about 2.9 times higher than that of pure TiO2 nanotube. The CdS doped TiO2 nanotube composite possesses relatively higher photocatalytic activity and photodegradation efficiency than that of pure TiO2 nanotube under UV light irradiation, and the degradation efficiency of methyl orange was about 42% at UV intensity of 32 W.
URI
http://wst.iwaponline.com/content/72/8/1341http://hdl.handle.net/20.500.11754/27466
ISSN
0273-1223; 1996-9732
DOI
10.2166/wst.2015.318
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > CIVIL AND ENVIRONMENTAL ENGINEERING(건설환경공학과) > Articles
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