Peculiarities in electrical and optical properties of Cu 2 Zn 1–x Mn x SnS 4 films obtained by spray pyrolysis

作者: Ivan Grigor'evich Orletskii , Pavel Dmitrievich Mar’yanchuk , Mikhail Nikolaevich Solovan , EV Maistruk , Dmitrii Petrovich Kozyarskii

DOI: 10.1134/S1063785016030263

关键词: Analytical chemistrySolid solutionCopperCrystalliteGrain boundaryBand gapMaterials scienceTinThin filmManganese

摘要: Thin films of Cu2Zn1–xMnxSnS4 (0 ≤ x 1) solid solutions have been obtained for the first time by spray pyrolysis aqueous salt (copper, zinc, manganese, and tin chlorides thiourea) at a temperature TS = 563 K. The possess specific electric conductivities within σ ≈ 35–422 Ω–1 cm–1 optical bandgap width Egop that increases with manganese content from 1.54 eV (x 0) to 2.25 1). Electrical properties studied analyzed based on model polycrystalline materials grain boundaries. energy barriers Eb between grains determined. dependence composition has established using results measurements transmission absorption coefficients.

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