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Achieving High Efficiency of PTB7‐Based Polymer Solar Cells via Integrated Optimization of Both Anode and Cathode Interlayers
Author(s) -
Gu Cheng,
Chen Youchun,
Zhang Zhongbo,
Xue Shanfeng,
Sun Shuheng,
Zhong Chengmei,
Zhang Huanhuan,
Lv Ying,
Li Fenghong,
Huang Fei,
Ma Yuguang
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.201301771
Subject(s) - anode , cathode , materials science , thiophene , polymer , microporous material , energy conversion efficiency , optoelectronics , work (physics) , work function , nanotechnology , engineering physics , layer (electronics) , electrical engineering , electrode , mechanical engineering , organic chemistry , composite material , physics , chemistry , engineering , quantum mechanics
A poly(thieno[3,4‐b]‐thiophene/benzodithiophene) (PTB7)‐based polymer solar cell (PSC) with conventional structure can achieve a significant power conversion efficiency of 8.42%, which is realized by integrated optimization of both anode and cathode interlayers. The effects of a conjugated microporous polymer film as the anode interlayer are threefold: it enhances the contact with active layer, increases the work function and conductivity, and blocks electrons.