Quantifying Bimolecular Recombination Losses in Organic Bulk Heterojunction Solar Cells | Zendy

Koster L. Jan Anton | Zendy; Kemerink Martijn | Zendy; Wienk Martijn M. | Zendy; Maturová Klará | Zendy; Janssen René A. J. | Zendy

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Quantifying Bimolecular Recombination Losses in Organic Bulk Heterojunction Solar Cells

Author(s) -

Koster L. Jan Anton,

Kemerink Martijn,

Wienk Martijn M.,

Maturová Klará,

Janssen René A. J.

Publication year - 2011

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.201004311

Subject(s) - photocurrent , organic solar cell , materials science , recombination , polymer solar cell , charge carrier , solar cell , fullerene , annealing (glass) , optoelectronics , heterojunction , hybrid solar cell , chemical physics , chemistry , polymer , organic chemistry , composite material , biochemistry , gene

We present a new experimental technique that affords direct quantification of the fraction of charge carriers lost in poly(3‐hexylthiophene):fullerene solar cells by bimolecular recombination. Depending on annealing conditions up to 17% of carriers recombine bimolecularly under solar illumination. We explain our findings with a closed analytical expression for the photocurrent generated by an organic solar cell.

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