Thin films of tin sulphide for use in thin film solar cell devices

Ogah, Ogah E., Zoppi, Guillaume, Forbes, Ian and Miles, Robert (2009) Thin films of tin sulphide for use in thin film solar cell devices. Thin Solid Films, 517 (7). pp. 2485-2488. ISSN 0040-6090

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SnS is of interest for use as an absorber layer and the wider energy bandgap phases e.g. SnS2, Sn2S3 and Sn/S/O alloys of interest as Cd-free buffer layers for use in thin film solar cells. In this work thin films of tin sulphide have been thermally evaporated onto soda–lime glass substrates with the aim of optimising the properties of the material for use in superstrate configuration device structures. The thin films were characterised using energy dispersive X-ray analysis (EDS) to determine the film composition, X-ray diffraction (XRD) to determine the phases present and structure of each phase, transmittance versus wavelength measurements to determine the energy bandgap and scanning electron microscopy (SEM) to observe the surface topology and topography. These properties were then correlated to the deposition parameters. Using the optimised conditions it is possible to produce thin films of tin sulphide that are pinhole free and conformal to the substrate that are suitable for use in thin film solar cell structures.

Item Type: Article
Uncontrolled Keywords: thermal evaporation, absorber layers
Subjects: H100 General Engineering
Department: Faculties > Engineering and Environment > Mathematics, Physics and Electrical Engineering
Depositing User: EPrint Services
Date Deposited: 20 Aug 2009 11:20
Last Modified: 12 Oct 2019 19:06

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