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Photoinduced on-chain charge-separation and ultrafast recombination in a sugar-coated insulated molecular wire

Abstract:

Transient absorption three-beam pump-push-probe experiments demonstrate that cyclodextrin-encapsulation of conjugated polymer chains prevents interchain effects, such as energy migration and charge hopping. In the unencapsulated polymer, transient population of high-lying singlet states leads to interchain ionization, generating long-lived charge-separated species. Supramolecular encapsulation prevents this process; with high-lying singlets undergoing on-chain ionization, followed by very rap...

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Publication status:
Published

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Publisher copy:
10.1103/PhysRevB.80.045111

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Journal:
PHYSICAL REVIEW B
Volume:
80
Issue:
4
Publication date:
2009-07-05
DOI:
EISSN:
1550-235X
ISSN:
1098-0121
URN:
uuid:e17e6f3e-4e72-4c8c-8b25-8829ea9163eb
Source identifiers:
51862
Local pid:
pubs:51862
Language:
English

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