Electrochemical Deposition, Optical Properties, and Photoelectrochemical Behavior of CdTe Films

Takahashi, Makoto; Uosaki, Kohei; Kita, Hideaki

Electrochemical Deposition, Optical Properties, and Photoelectrochemical Behavior of CdTe Films

Takahashi, Makoto; Uosaki, Kohei; Kita, Hideaki

Journal of The Electrochemical Society, 1984, 131(10), 2304-2307

Permalink : https://hdl.handle.net/2115/50255

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アクセス権	open access
URI	https://hdl.handle.net/2115/50255
タイトル	Electrochemical Deposition, Optical Properties, and Photoelectrochemical Behavior of CdTe Films
著者	Takahashi, Makoto ; Uosaki, Kohei ; Kita, Hideaki
著者名 Takahashi, Makoto
e-Rad_Researcher 20133697 著者名 Uosaki, Kohei
著者名 Kita, Hideaki
言語	英語
キーワード	electrodeposition
	semiconductor thin films
	cadmium alloys
	tellurium alloys
	hydrogen
	electron-hole recombination
	grain boundaries
	heat treatment
	etching
	electric current
	electric potential
	photoelectrochemistry
発行日	1984
出版者	The Electrochemical Society
収録物名	Journal of The Electrochemical Society
巻(号)	131(10)
ページ	2304-2307
抄録	Electrochemical deposition of cadmium telluride from acidic solutions containing CdSO4 and TeO2 is studied and the current-potential expression for this reaction is presented. The electrochemically deposited CdTe films are photoactive, and the maximum cathodic photocurrent due to hydrogen evolution is observed at CdTe films deposited at -0.40V. The photocurrents of the as-grown CdTe films are relatively small compared with those of CdTe single crystals. The major reason for this low efficiency is the effective recombination of hole-electron pairs at grain boundaries and at the surface. The photocurrents are increased significantly by the increase of crystallite diameter by the heat-treatment in a He atmosphere and by the removal of surface Te, which acts as a recombination center, by the etching treatment.
資源タイプ	学術雑誌論文
出版タイプ	Version of Record
権利情報	© The Electrochemical Society, Inc. 1984. All rights reserved. Except as provided under U.S. copyright law, this work may not be reproduced, resold, distributed, or modified without the express permission of The Electrochemical Society (ECS). The archival version of this work was published in J. Electrochem. Soc. 1984 volume 131, issue 10, 2304-2307.
PISSN	0013-4651
関連情報 (isIdenticalTo)	出版社版DOI https://doi.org/10.1149/1.2115245