Issue 41, 2014

High efficiency inverted polymer solar cells with room-temperature titanium oxide/polyethylenimine films as electron transport layers

Abstract

PTB7:PC71BM inverted polymer solar cells with a room-temperature TiOx/PEI electron transport layer achieve an average power conversion efficiency of 8.72% (the champion power conversion efficiency is 9.08%), which is much better than that of the control devices based on PEI (7.00%) or TiOx (7.38%). The room-temperature TiOx/PEI layer exhibits outstanding capacities, including increased electron mobility, reduced series resistance and improved electron extraction at the cathode interface.

Graphical abstract: High efficiency inverted polymer solar cells with room-temperature titanium oxide/polyethylenimine films as electron transport layers

Supplementary files

Article information

Article type
Communication
Submitted
25 Jul 2014
Accepted
01 Sep 2014
First published
02 Sep 2014

J. Mater. Chem. A, 2014,2, 17281-17285

High efficiency inverted polymer solar cells with room-temperature titanium oxide/polyethylenimine films as electron transport layers

D. Yang, P. Fu, F. Zhang, N. Wang, J. Zhang and C. Li, J. Mater. Chem. A, 2014, 2, 17281 DOI: 10.1039/C4TA03838J

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