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Trap states in ZnPc:C60 small-molecule organic solar cells

Abstract:

Trap states are known to be one of the key parameters limiting charge transport in organic semiconductors and hence the performance of organic solar cells. Here, small-molecule organic solar cells based on a bulk heterojunction between zinc-phtalocyanine (ZnPc) and the fullerene C60 are characterized according to their trapping nature by noninvasive methods and under ambient conditions. We show how impedance spectroscopy, applied to systematically varied device structures, reveals the trap lo...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1103/PhysRevB.87.045432

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Role:
Author
Publisher:
American Physical Society Publisher's website
Journal:
Physical Review B - Condensed Matter and Materials Physics Journal website
Volume:
87
Issue:
4
Pages:
Article: 045432
Publication date:
2013-01-31
DOI:
EISSN:
1550-235X
ISSN:
1098-0121
URN:
uuid:2d867350-9e91-4dc8-b12d-14bddb09ca26
Source identifiers:
405336
Local pid:
pubs:405336
Language:
English

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