Optimized Growth of Thermally Evaporated Tin Sulphide (SnS) Thin Films

Nwankwo, Stephen, Reddy, G. P., Ramakrishna Reddy, Kotte, Beattie, Neil, Barrioz, Vincent, Miles, Robert and Zoppi, Guillaume (2016) Optimized Growth of Thermally Evaporated Tin Sulphide (SnS) Thin Films. In: 12th Photovoltaic Science, Application and Technology Conference, 6th - 8th April 2016, Liverpool.

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The properties of SnS thin films deposited by thermal evaporation are reported for different substrate temperatures and for a post-deposition heat treatment in argon. The as-deposited films showed an increase in grain and crystallite size with an increase in substrate temperature and following the post-deposition heat treatment in argon. Films deposited for lower substrate temperatures contained secondary phases of Sn2S3 and experienced significant Sn loss during annealing. The increase in grain size was accompanied by a reduction in micro-strain as the substrate temperature increases as well as a reduction in optical energy bandgap from 1.58 to 1.53 eV. An optimum growth temperature of 300 °C is obtained for SnS films deposited by thermal evaporation.

Item Type: Conference or Workshop Item (Paper)
Subjects: F200 Materials Science
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: Guillaume Zoppi
Date Deposited: 11 Apr 2016 10:33
Last Modified: 13 Nov 2017 13:21
URI: http://nrl.northumbria.ac.uk/id/eprint/25703

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