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11% Efficient Ternary Organic Solar Cells with High Composition Tolerance via Integrated Near‐IR Sensitization and Interface Engineering
Author(s) -
Nian Li,
Gao Ke,
Liu Feng,
Kan Yuanyuan,
Jiang Xiaofang,
Liu Linlin,
Xie Zengqi,
Peng Xiaobin,
Russell Thomas P.,
Ma Yuguang
Publication year - 2016
Publication title -
advanced materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 10.707
H-Index - 527
eISSN - 1521-4095
pISSN - 0935-9648
DOI - 10.1002/adma.201602834
Subject(s) - materials science , ternary operation , organic solar cell , cathode , energy conversion efficiency , porphyrin , optoelectronics , small molecule , photoconductivity , photochemistry , composite material , chemistry , polymer , biology , computer science , programming language , genetics
Highly efficient electron extraction is achieved by using a photoconductive cathode interlayer in inverted ternary organic solar cells (OSCs) where a near‐IR absorbing porphyrin molecule is used as the sensitizer. The OSCs show improved device performance when the ratio of the two donors varies in a large region and a maximum power conversion efficiency up to 11.03% is demonstrated.