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Photoconductivity as loss mechanism in organic solar cells

Abstract:

We observe that the reverse current under illumination in solar cells containing C60 and ZnPc is dominated by a photoshunt. This shunt, not present in the dark, causes a linear current-voltage relation under illumination showing no saturation. Although observable in bulk heterojunctions, this effect is more pronounced in the presence of a pristine C60 layer. An internal quantum efficiency larger than unity under an applied negative voltage and in the spectral range where...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1002/pssr.201307039

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Role:
Author
Publisher:
WILEY-VCH Verlag GmbH and Co. KGaA, Weinheim Publisher's website
Journal:
Physica Status Solidi - Rapid Research Letters Journal website
Volume:
7
Issue:
6
Pages:
401-405
Publication date:
2013-06-05
DOI:
EISSN:
1862-6270
ISSN:
1862-6254
URN:
uuid:4516d062-ed5c-4e5e-9caf-b53f7702f587
Source identifiers:
410161
Local pid:
pubs:410161

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