Journal
APPLIED SURFACE SCIENCE
Volume 258, Issue 22, Pages 9018-9024Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2012.05.141
Keywords
In2S3; Wedgelike; Thin films; Hydrothermal synthesis
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Funding
- Science and Technology Development Program of Jilin Province [20100417]
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Indium sulfide (In2S3) thin films with a wedgelike structure were prepared on fluorine-doped tin oxide (FTO) substrate by a facile hydrothermal method. By properly monitoring the experimental conditions, including the reaction time, concentrations of tartaric acid, precursor concentration ratio and the reaction temperature, the In2S3 films with different morphologies and thickness could be obtained, and the growth mechanism of beta-In2S3 films was also proposed in this work. Furthermore, UV-vis absorption study revealed that the absorption range broadened with the growth of the In2S3 crystals. In addition, a photocurrent of 0.48 mA cm(-2) was obtained under 100 mW cm(-2) UV-visible illuminations of the wedgelike In2S3 thin films. (C) 2012 Elsevier B.V. All rights reserved.
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