Title of article :
High-efficiency inverted solar cells based on a low bandgap polymer with excellent air stability
Author/Authors :
Chu، نويسنده , , Ta-Ya and Tsang، نويسنده , , Sai-Wing and Zhou، نويسنده , , Jiayun and Verly، نويسنده , , Pierre G. and Lu، نويسنده , , Jianping and Beaupré، نويسنده , , Serge and Leclerc، نويسنده , , Mario and Tao، نويسنده , , Ye، نويسنده ,
Issue Information :
روزنامه با شماره پیاپی سال 2012
Abstract :
A high-efficiency inverted bulk heterojunction (BHJ) solar cell with good air stability is fabricated using annealing-free ZnO nanocrystals as an electron-transport layer and a blend of a low bandgap polymer PDTSTPD and PC71BM as an active layer. A power conversion efficiency as high as 6.7% has been achieved on the inverted devices with an active area of 1.0 cm2 using nitrobenzene as a processing additive. The device is highly stable, retaining 85% of its original efficiency after being stored in air for 32 days even without encapsulation.
Keywords :
Inverted organic solar cells , Alternating dithienosilole and thienopyrrole-4 , 6-dione copolymer , ZnO nanocrystals , Processing additives , Air stability
Journal title :
Solar Energy Materials and Solar Cells
Journal title :
Solar Energy Materials and Solar Cells
