New process boosts efficiency of bifacial CIGS thin film solar cell

Credit: Empa

Bifacial CIGS solar cells consist of very thin layers, only 3 µm in total for the active materials. Deposit-ed on top of a transparent electrical contact, the CIGS polycrystalline layer absorbs the light from both front and back sides.

« New process boosts efficiency of bifacial CIGS thin film solar cell

Credit: Empa

Empa researchers Shih-Chi Yang (left) and Romain Carron behind the deposition equipment for the CIGS lay-er, which absorbs the light for conversion into electricity.

« New process boosts efficiency of bifacial CIGS thin film solar cell

Credit: Empa

« New process boosts efficiency of bifacial CIGS thin film solar cell

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