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Morphology Control in co-evaporated bulk heterojunction solar cells

Abstract:

Bulk heterojunction solar cells made by vacuum co-evaporation of polythiophene (PTh) and fullerene (C60) are reported and the blend morphology control through donor-acceptor composition and post-situ annealing demonstrated. Co-deposited heterojunctions are shown to generate about 60% higher photocurrents than their thickness-optimized PTh/C60 planar heterojunction counterparts. Furthermore, by annealing the devices post-situ the power conversion efficiency is improved by as much as 80%. UV-vi...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Accepted manuscript

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Publisher copy:
10.1016/j.solmat.2013.05.021

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Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
Role:
Author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
Role:
Author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Materials
Role:
Author
Engineering and Physical Sciences Research Council More from this funder
John Fell Fund More from this funder
Publisher:
Elsevier Publisher's website
Journal:
Solar Energy Materials And Solar Cells Journal website
Volume:
117
Pages:
22-28
Chapter number:
C
Publication date:
2013-10-05
DOI:
ISSN:
0927-0248
URN:
uuid:97cae9f2-3a56-40e6-9f03-8a73bb208364
Source identifiers:
409981
Local pid:
pubs:409981

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