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Size dependent optical characteristics of chemically deposited nanostructured ZnS thin films
A U Ubale V S Sangawar D K Kulkarni
Thin Films Volume 30 Issue 2 April 2007 pp 147-151
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https://www.ias.ac.in/article/fulltext/boms/030/02/0147-0151 -
Keywords
Thin film ;ZnS ;CBD method ;optical properties. -
Abstract
ZnS thin films of different thicknesses were prepared by chemical bath deposition using thiourea and zinc acetate as S2- and Zn2+ source. The effect of film thickness on the optical and structural properties was studied. The optical absorption studies in the wavelength range 250–750 nm show that band gap energy of ZnS increases from 3.68–4.10 eV as thickness varied from 332–76 nm. The structural estimation shows variation in grain size from 6.9–17.8 nm with thickness. The thermoemf measurement indicates that films prepared by this method are of 𝑛-type.
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Author Affiliations
A U Ubale1 V S Sangawar1 D K Kulkarni2
- Department of Physics, Govt. Vidarbha Institute of Science and Humanities, Amravati 444 604, India
- Department of Physics, Institute of Science, Nagpur 440 001, India
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Dates
- Published
- April 2007
- Manuscript received
- 19 December 2006
- Manuscript revised
- 26 February 2007
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Bulletin of Materials Science
Volume 43, 2020
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