Abstract
In this work, post-deposition annealing is done at three different temperatures on Cu2SnS3 (CTS) thin film solar cells prepared by doctor blade technique. Structural and electrical characteristics are determined from scanning electron microscopy (SEM), energy-dispersive X-ray fluorescence spectroscopy (ED-XRF), X-ray diffraction (XRD), Hall Effect and I-V characteristics studies to enlighten the mechanisms by which solar cells performance varies. The highest efficiency gain is obtained 1.14%. It is concluded that the optimum post-deposition annealing temperature for CTS is 400 °C for 30 min in the sulfur atmosphere.
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