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DC Field | Value | Language |
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dc.contributor.author | Barman, B. | |
dc.contributor.author | Bangera, K.V. | |
dc.contributor.author | Shivakumar, G.K. | |
dc.date.accessioned | 2020-03-31T08:41:55Z | - |
dc.date.available | 2020-03-31T08:41:55Z | - |
dc.date.issued | 2019 | |
dc.identifier.citation | Journal of Alloys and Compounds, 2019, Vol.772, , pp.532-536 | en_US |
dc.identifier.uri | http://idr.nitk.ac.in/jspui/handle/123456789/12648 | - |
dc.description.abstract | Zinc sulfide thin films have been doped with copper atoms to investigate their efficiency as transparent conductor layers. Cux(ZnS)1-x thin films were deposited on glass substrate using thermal evaporation technique by varying the Cu concentration (x = 0.01, 0.02, 0.03, 0.05, 0.10 and 0.25). The prepared thin films were characterized using XRD, FE-SEM, EDS and UV Vis spectroscopy. The X-ray diffraction studies revealed that the films are crystalline in nature and well oriented along (111) direction with the cubic crystal structure. Crystallite size increases with increase in Cu concentration. FE-SEM studies showed that the films are homogenous and pin-hole free. All the films exhibited p-type conductivity. It was also observed that the band gap of the Cux(ZnS)1-x films vary from 3.48 eV to 2.60 eV when the copper content varies from 0 to 0.25. At a Cu concentration of x = 0.03, the hole conductivity increases to 1.9 103 S/m retaining an optical transparency of ?73% in the visible spectra. This combination of optical transparency and hole conductivity of Cux(ZnS)1-x thin films for such low Cu concentration is, to our knowledge, the best reported to date. 2018 | en_US |
dc.title | Preparation of thermally deposited Cux(ZnS)1-x thin films for opto-electronic devices | en_US |
dc.type | Article | en_US |
Appears in Collections: | 1. Journal Articles |
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