Journal
MATERIALS LETTERS
Volume 201, Issue -, Pages 194-197Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2017.05.022
Keywords
Semiconductors; Thin films; Solar energy materials
Funding
- H.U. Research Fund [FHD-2016-11870]
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In this letter, a new approach for the synthesis of SnS thin films is introduced. In this approach, Sn thin films were first deposited on glass substrates by r.f. magnetron sputtering under forming gas (95% Ar+ %5 H-2) atmosphere and post-sulfidation of the sputtered Sn thin films was performed under high vacuum (<10(-5) Torr). Due to low pressure, complete sulphurisation of Sn thin films via diffusion of evaporated S atoms took place at a relatively lower temperature. For a 400 nm Sn thin film, 250 degrees C and 150 min were determined as the optimum sulfidation temperature and time to obtain orthorhombic SnS thin film. It has been determined that while short sulfidation time (<120 min) leads to residual metallic Sn, high sulfidation temperature (>250 degrees C) induces SnS2 formation. (C) 2017 Elsevier B.V. All rights reserved.
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