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Molecular Doping Enhances Photoconductivity in Polymer Bulk Heterojunction Solar Cells
Author(s) -
Zhang Yuan,
Zhou Huiqiong,
Seifter Jason,
Ying Lei,
Mikhailovsky Alexander,
Heeger Alan J.,
Bazan Guillermo C.,
Nguyen ThucQuyen
Publication year - 2013
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.201302159
Subject(s) - materials science , photocurrent , dopant , photoconductivity , doping , polymer solar cell , optoelectronics , heterojunction , solar cell , energy conversion efficiency , polymer , hybrid solar cell , organic solar cell , composite material
Addition of low concentrations (<1:100, dopant:donor) of a fluorinated p‐type dopant, F4‐TCNQ leads to a considerable enhancement of the photocurrent in PCDTBT:PC 70 BM bulk heterojunction solar cells. As a result, the power conversion efficiency increases from 6.41% to 7.94 %.