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Efficiency boost of bifacial Cu(In,Ga)Se₂ thin-film solar cells for flexible and tandem applications with silver-assisted low-temperature process

Bifacial Cu(In,Ga)Se₂ photovoltaics have limited efficiency. Now Yang et al. have developed a process for low-temperature deposition of the absorber material that suppresses the formation of a detrimental GaO_x interlayer and reduces the back interface recombination, enabling efficiencies of over 19% and 10% under front and rear illumination, respectively.

Shih-Chi Yang
Tzu-Ying Lin
Romain Carron

Research21 Nov 2022

Nature Energy

Volume: 8, P: 40-51

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Efficiency boost of bifacial Cu(In,Ga)Se2 thin-film solar cells for flexible and tandem applications with silver-assisted low-temperature process

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Efficiency boost of bifacial Cu(In,Ga)Se₂ thin-film solar cells for flexible and tandem applications with silver-assisted low-temperature process