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- W4310207321 abstract "Abstract This study reports on performance enhancement of a Cu 2 ZnSnS 4 solar cell introducing Sb 2 S 3 as hole transport layer (HTL) along WS 2 as buffer layer. We have investigated photovoltaic (PV) characteristics by utilizing SCAPS‐1D. A comparative analysis on PV performances between conventional CZTS/CdS and proposed Ni/Sb 2 S 3 /CZTS/WS 2 /FTO/Al solar cells is presented. It is revealed that “spike like” band structure at the CZTS/WS 2 interface having smaller conduction band offset makes it potential alternative to commonly used CdS buffer. This report also evaluates that the Sb 2 S 3 as an HTL inserted at the rear of CZTS enhances performances by reducing carrier recombination at back interface with appropriate band alignment. The impacts of thickness, carrier concentration of different layers, and bulk defect density in CZTS as well as the interface defects on cell outputs are analyzed. The influences of temperature, work function, and cell resistances are also examined. Optimum absorber thickness of 1.0 μm along doping density of 10 17 cm −3 is selected. A maximum efficiency of 30.63% is achieved for the optimized CZTS cell. Therefore, these results suggest that Sb 2 S 3 as HTL and WS 2 as buffer layer can be employed effectively to develop highly efficient and low‐cost CZTS solar cells." @default.
- W4310207321 created "2022-11-30" @default.
- W4310207321 creator A5010749635 @default.
- W4310207321 creator A5017266028 @default.
- W4310207321 creator A5017870742 @default.
- W4310207321 creator A5019226763 @default.
- W4310207321 creator A5082446696 @default.
- W4310207321 date "2022-11-28" @default.
- W4310207321 modified "2023-10-06" @default.
- W4310207321 title "Performance evaluation of <scp> WS <sub>2</sub> </scp> as buffer and <scp> Sb <sub>2</sub> S <sub>3</sub> </scp> as hole transport layer in <scp>CZTS</scp> solar cell by numerical simulation" @default.
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