CHARACTERIZATION OF CU2MNSNS4 THIN FILMS FABRICATED BY SPIN COATING

Year 2022, Volume: 8 Issue: 1, 34 - 45, 17.06.2022

Canan Aytuğ Ava Şilan Baturay

https://doi.org/10.51477/mejs.1095220

Abstract

Cu2MnSnS4 (CMTS) thin films are affected by several parameters related to different annealing including sulphurization flux rate. In this paper, nontoxic CMTS samples were fabricated onto glass substrate by a spin-coating to investigate the effect of various sulphurization flux rate on the crystal structure, tophological and optical properties by X-Ray diffraction, scanning electron microscopy, atomic force microscopy and ultraviolet–visible spectrophotometer, respectively The crystal properties of CMTS thin films are radically changed depending on increase of sulphurization flux rate annealed at 550 °C for 90 minutes. The XRD pattern give CMTS peaks at (112) plane for two samples which correspond to structure of kesterite crystal. The SEM images of films show a decrease in the particle size relate to increase flux rate of sulphurization. The energy band gap for the CMTS films are found to be 1.22 and 1.15 eV for 30 sccm and 40 sccm sulphurization flux rate annealed at 550 °C, respectively.

Keywords

Absorbance, Sulphur Flux Rate, XRD, Uv-vis

Thanks

We thank Dicle University Science and Technology Application and Research Center (DUBTAM) for their support to our study.

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