Add time:08/30/2019         Source:sciencedirect.com

tin sulfide (cas 12738-87-3) (SnS) is a promising absorber material for photovoltaic cells, because of its optimum band gap, strong optical absorption, simple phase composition, earth-abundant and nontoxic constituents. However, this material is largely unexploited to date with only a handful of studies reporting SnS for photovoltaic application. We present systematic preparation of SnS thin films through thermal evaporation route and characterize phase composition of these films. We have observed that the films grown at the substrate temperature of 250 °C exhibit a single SnS phase, which could be alternative light absorber materials for photovoltaic devices fabrication. Hence, a solar conversion efficiency of 1.47% was obtained at standard one sun illumination using a planar device consisting of FTO/TiO2/SnS/P3HT/Au. The present findings offer novel directions for achieving high-efficiency solid-state solar cells by hybridization of inorganic-organic light harvesters and hole transporters.

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