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Volume 26 - ICOP & ICPET 2020
ICOP & ICPET _ INPC _ ICOFS 2020, 26 - ICOP & ICPET 2020: 1021-1024 |
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Ghorbani S, Moradi M, Rajabi Z. Investigation of optical and electrical properties of CZTS optical absorber layer in the presence of zinc and zinc sulfide precursors. ICOP & ICPET _ INPC _ ICOFS 2020; 26 :1021-1024
URL: http://opsi.ir/article-1-2172-en.html
URL: http://opsi.ir/article-1-2172-en.html
1- Institute of Nanoscience and Nanotechnology, University of Kashan
2- Medical nanotechnology and tissue engineering research center, yazd reproductive sciences institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
2- Medical nanotechnology and tissue engineering research center, yazd reproductive sciences institute, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
Abstract: (1608 Views)
The structural, optical and electrical properties of the CZTS optical absorber layer deposited by vacuum thermal evaporation method using two different precursors of zinc sulfide (ZnS) and zinc (Zn) were investigated. In the first sample, the CZTS optical absorber layer was deposited as ZnS/Cu/Sn/S multilayer. The second sample was deposited similar to the first sample, but zinc metal precursor was used instead of zinc sulfide precursor. The structural, optical, electrical properties of CZTS optical absorber layer were investigated by SEM and XRD analysis, optical-reflectance spectroscopy and solar spectrum simulator, respectively. The results showed that the use of zinc metal precursor instead of zinc sulfide improves the Surface uniformity and crystallinity of the CZTS optical absorber layer, reducing the formation of MoS2 intermediate layer, creating a diode (Schottky) contact between the optical absorber layer and the aluminum deposited on it and reducing the optical band gap of the optical absorber layer.
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