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Khelifi, S., Brammertz, G., Choubrac, L., Batuk, M., Yang, S., Meuris, M., Barreau, N., Hadermann, J., Vrielinck, H., Poelman, D., Neyts, K., Vermang, B. & Lauwaert, J. (2021) The path towards efficient wide band gap thin-film kesterite solar cells with transparent back contact for viable tandem application. Solar Energy Materials and Solar Cells, 219 110824. 
Added by: Richard Baschera (2020-12-17 08:13:00)   Last edited by: Richard Baschera (2020-12-17 08:14:02)
Type de référence: Article
DOI: 10.1016/j.solmat.2020.110824
Numéro d'identification (ISBN etc.): 0927-0248
Clé BibTeX: Khelifi2021
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Mots-clés: c-Si solar Cell, CuZnGeSe, efficiency limitations, Four-terminal tandem solar cell, Kesterite thin-film solar cell, Secondary/ternary phases, Wide band gap absorbers
Créateurs: Barreau, Batuk, Brammertz, Choubrac, Hadermann, Khelifi, Lauwaert, Meuris, Neyts, Poelman, Vermang, Vrielinck, Yang
Collection: Solar Energy Materials and Solar Cells
Consultations : 10/287
Indice de consultation : 6%
Indice de popularité : 1.5%
Liens URLs ... /S0927024820304220
Wide band gap thin-film kesterite solar cell based on non-toxic and earth-abundant materials might be a suitable candidate as a top cell for tandem configuration in combination with crystalline silicon as a bottom solar cell. For this purpose and based on parameters we have extracted from electrical and optical characterization techniques of Cu2ZnGeSe4 absorbers and solar cells, a model has been developed to describe the kesterite top cell efficiency limitations and to investigate the different possible configurations with transparent back contact for four-terminal tandem solar cell application. Furthermore, we have studied the tandem solar cell performance in view of the band gap and the transparency of the kesterite top cell and back contact engineering. Our detailed analysis shows that a kesterite top cell with efficiency {>} 14%, a band gap in the range of 1.5–1.7 eV and transparency above 80% at the sub-band gaps photons energies are required to achieve a tandem cell with higher efficiency than with a single silicon solar cell.
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