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Enhanced Power Conversion Efficiency of Low Band‐Gap Polymer Solar Cells by Insertion of Optimized Binary Processing Additives
Author(s) -
Wang Dong Hwan,
Kyaw Aung Ko Ko,
Pouliot JeanRémi,
Leclerc Mario,
Heeger Alan J.
Publication year - 2014
Publication title -
advanced energy materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.08
H-Index - 220
eISSN - 1614-6840
pISSN - 1614-6832
DOI - 10.1002/aenm.201300835
Subject(s) - materials science , polymer , energy conversion efficiency , binary number , optoelectronics , band gap , polymer solar cell , equivalent series resistance , chemical engineering , composite material , voltage , electrical engineering , arithmetic , mathematics , engineering
Low band‐gap polymer solar cells with enhanced efficiency are fabricated by insertion of optimized binary processing additives. Binary processing additives improve phase separation with finer nanomorphology at the BHJ films, resulting in increased short circuit current density, J SC . Moreover, the device with binary processing additives exhibits a reduced series resistance compared to the device without additives.