期刊
HELIYON
卷 9, 期 3, 页码 -出版社
CELL PRESS
DOI: 10.1016/j.heliyon.2023.e14547
关键词
CdTe thin Film; Solar cell performance; AZO window Layer; SCAPS-1D; AZO; CdTe
This paper presents the simulation and analysis of solar cells based on the heterojunction of zinc oxide doped with aluminum (AZO) and cadmium telluride (CdTe) using the SCAPS-1D simulator. The effects of thickness, carrier concentration, operating temperature, and resistances on the performance of the solar cells are studied. The simulation results show that adjusting the layer's thickness and carrier concentration can greatly improve the solar cell performance, and the AZO layer shows potential as an interesting material to replace the CdS window layer.
Simulation and analysis of solar cells based on the heterojunction of zinc oxide doped with aluminum (AZO) and cadmium telluride (CdTe) with the structure (Al/AZO/CdTe/NiO/Ni) using the Simulator of the capacitance of solar cells -1 dimension (SCAPS-1D) has been presented in this paper. AZO is used as a window layer and Nickel oxide (NiO) has been introduced as a hole transport layer (HTL). Through the software, the effect of thickness, absorber (CdTe), and window (AZO) layers carrier concentration, operating temperature, and resistances (series and shunt) have been studied. Simulation results show that the solar cell performance can be greatly improved by adjusting the layer's thickness and carrier concentration, obtaining optimal values of 10 nm and 1018 cm-3 for the AZO layer, while for the CdTe layer they were 2 mu m and 1015 cm-s.3. The optimum series and shunt resistances are in the range of 1-3 omega cm2 and 1800-2200 omega cm2 respectively. A maximum power conversion efficiency (PCE) of 14.2% is achieved with an open circuit voltage (Voc) of 0.74 V, short circuit current density (Jsc) of 26.15 mA/cm2 and a fill factor (FF) of 72.83%, this shows AZO potential to be considered as an interesting material to replace CdS window layer.
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