Annealing-induced phase conversion on spray pyrolyzed cubic-SnS thin films
نویسندگان
چکیده
Abstract The cubic-tin sulfide (SnS) compound material is optimal for the absorber layer in photovoltaic technology. In this study, role of annealing temperature on physical properties cubic-SnS thin film has been determined. spray pyrolyzed SnS films were post-annealed, using chemical vapor deposition system, at range between 350 and 500 °C annealed have analyzed a comprehensive characterization techniques i.e., X-ray diffraction (XRD), Raman spectroscopy, UV–Vis Photoluminescence spectroscopy (PL), Field-emission scanning electron microscopy (FESEM), Energy dispersive (EDS) Hall measurements. XRD results discovered phase deterioration higher temperatures > °C. Further, analysis confirmed deterioration, along with formation 2 Sn S 3 secondary phases, temperatures. Besides that, band gap 1.63–1.68 eV obtained films. exhibit near-band edge emission peak PL spectra. Moreover, SEM micrographs show needle-shaped grains, their size distribution increased respect to enhancement temperature. A considerable amount sulfur inclusion was observed EDS 450° near stoichiometric composition ratio Sn/S = 1.01. hall measurement studies showed resistivity, carrier concentration, mobility 29.4–376.5 Ω cm, 4.2 × 10 14 –3.0 16 cm −3 13.1–66.1 /Vs, respectively.
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ژورنال
عنوان ژورنال: Journal of Materials Science: Materials in Electronics
سال: 2023
ISSN: ['1573-482X', '0957-4522']
DOI: https://doi.org/10.1007/s10854-023-10157-8