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Influence of copolymer interface orientation on the optical emission of polymeric semiconductor heterojunctions.

Abstract:

We have examined the Coulombic interactions at the interface in a blend of two copolymers with intramolecular charge-transfer character and optimized band offsets for photoinduced charge generation. The combination of both time-resolved measurements of photoluminescence, and quantum-chemical modeling of the heterojunction allows us to show that relative orientation across the heterojunction can lead to either a repulsive barrier ( approximately 65 meV) or an attractive interaction which can e...

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Publication status:
Published

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Journal:
Physical review letters
Volume:
96
Issue:
11
Pages:
117403
Publication date:
2006-03-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:8f212fba-ba87-403d-ba1a-0be84958e255
Source identifiers:
16965
Local pid:
pubs:16965
Language:
English

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