Imec, Polyera Solvay set new world-record with organic solar cells

Imec, Polyera and Solvay set new world-record with organic solar cells

9:20 PM, 18th December 2011
Imec, Polyera and Solvay set new world-record with organic solar cells

LEUVEN, BELGIUM/ SKOKIE, USA/ BRUSSELS, BELGIUM: Imec, Polyera and Solvay announced a new world-record efficiency of 8.3 per cent for polymer-based single junction organic solar cells in an inverted device stack.These excellent performance results represent a crucial step towards successful commercialization of organic photovoltaic cells, the partners emphasize.Inverted bulk heterojunction architecture simultaneously optimizes cell light management, and increases device stability.

Imec has developed a proprietary inverted bulk heterojunction architecture for polymer-based solar cells that simultaneously optimizes cell light management and increases device stability. With this architecture, and a proprietary Polyera semiconductor in the photoactive layer, a team of Imec and Solvay researchers now reached a certified conversion efficiency of 8.3 per cent.This is the highest certified efficiency reported to date in the world for inverted polymer cell architectures. This result follows previous reports on Imec’s proprietary device architecture, proving that scalable inverted device architectures are applicable to a variety of polymer materials.

“These excellent results are the fruit of an intense collaboration between Solvay, Imec and Polyera. It is remarkable to see how the inverted architecture adds to the performance of these cells,” said Tom Aernouts, R&D Team Leader, Organic Photovoltaics, Imec.“This shows how crucial the combination of high-level device technology and next-generation materials will be to bring organic solar cells to the market.”

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