Engineering and Technology

High-concentration silver alloying and steep back-contact gallium grading enabling copper indium gallium selenide solar cell with 23.6% efficiency

J. Keller, K. Kiselman, et al.

Discover how researchers Jan Keller, Klara Kiselman, Olivier Donzel-Gargand, Natalia M. Martin, Melike Babucci, Olle Lundberg, Erik Wallin, Lars Stolt, and Marika Edoff achieved a groundbreaking efficiency of 23.64% for (Ag,Cu)(In,Ga)Se₂ solar cells through innovative strategies. Their work is paving the way towards achieving a remarkable 25% efficiency in the future!

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