Effect of Temperature on the Performance of CGS/CIGS Tandem Solar Cell

Автори Mourad Elbar1, Souad Tobbeche1, Slimane Chala1,2, Okba Saidani1, Mohamed Nadjib Kateb1, Mohamed Redha Serdouk1
Приналежність

1Laboratory of Metallic and Semiconducting Materials, Mohamed Khider University, 07000 Biskra, Algeria

2Institute of Electrical and Electronic Engineering, M’Hamed Bougara University, 35000 Boumerdes, Algeria

Е-mail m.elbar@univ-biskra.dz
Випуск Том 15, Рік 2023, Номер 1
Дати Одержано 03 січня 2023; у відредагованій формі 16 лютого 2023; опубліковано online 24 лютого 2023
Посилання Mourad Elbar, Souad Tobbeche, et al., J. Nano- Electron. Phys. 15 No 1, 01020 (2023).
DOI https://doi.org/10.21272/jnep.15(1).01020
PACS Number(s) 78.20.Bh, 73.40.Lq, 84.60.Jt
Ключові слова Numerical simulation (4) , Silvaco-Atlas, Temperature (46) , CGS/CIGS Tandem cell, Matching current.
Анотація

The CGS and CIGS being promising materials for large scale photovoltaic applications, the effect of temperature on the electrical parameters of a CGS/CIGS tandem solar cell has been investigated in this work. The copper gallium diselenide (CGS) and copper indium gallium diselenide (CIGS) structures as top-cell and bottom-cell respectively, were numerically simulated under AM1.5G spectral illumination using the two-dimensional device simulator Silvaco-Atlas. The temperature dependency of the solar cell’s characteristics was investigated in the temperature range from 300 to 400 K at intervals of 20 K. The simulation results show the density current (Jsc) slightly increases whereas the open-circuit voltage (Voc) and fill factor (FF), conversion efficiency (η) decreases with the increase in temperature. The tandem cell operating temperature efficiency was found to be (– 0.34 %/K), which is slightly higher than that of CGS solar cell (– 0.29 %/K), but markedly better than that of CIGS solar cell (– 0.41 %/K).

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