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Investigation of driving forces for charge extraction in organic solar cells: transient photocurrent measurements on solar cells showing S-shaped current-voltage characteristics

Abstract:

The role of drift and diffusion as driving forces for charge carrier extraction in flat heterojunction organic solar cells is examined at the example of devices showing intentional S-shaped current-voltage (J-V) characteristics. Since these kinks are related to energy barriers causing a redistribution of the electric field and charge carrier density gradients, they are suitable for studying the limits of charge extraction. The dynamics of this redistribution process are expe...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1002/aenm.201200931

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:
Advanced Energy Materials Journal website
Volume:
3
Issue:
7
Pages:
873-880
Publication date:
2013-07-05
DOI:
EISSN:
1614-6840
ISSN:
1614-6832
URN:
uuid:f6404547-91cd-4464-b47b-0e02029d0dff
Source identifiers:
430504
Local pid:
pubs:430504

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