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Control of Electric Field Strength and Orientation at the Donor–Acceptor Interface in Organic Solar Cells
Author(s) -
Liu A.,
Zhao S.,
Rim S.B.,
Wu J.,
Könemann M.,
Erk P.,
Peumans P.
Publication year - 2008
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.200702554
Subject(s) - photocurrent , materials science , organic solar cell , doping , acceptor , electric field , optoelectronics , electron acceptor , electron , chemical physics , photochemistry , condensed matter physics , chemistry , polymer , composite material , physics , quantum mechanics
Electrical doping is essential to achieve efficient photocurrent extraction in small‐molecular‐weight organic solar cells. It is shown that such doping creates strong electric fields at the donor‐acceptor interface that prevent geminate electron–hole recombination.