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Linear and cyclic porphyrin hexamers as near-infrared emitters in organic light-emitting diodes.

Abstract:

Here we report organic light-emitting diodes incorporating linear and cyclic porphyrin hexamers which have red-shifted emission (λ(PL) = 873 and 920 nm, respectively) compared to single porphyrin rings as a consequence of their extended π-conjugation. We studied the photoluminescence and electroluminescence of blends with poly(9,9'-dioctylfluorene-alt-benzothiadiazole), demonstrating a high photoluminescence quantum efficiency of 7.7% for the linear hexamer when using additives to prevent agg...

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Publication status:
Published

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Publisher copy:
10.1021/nl2008778

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Journal:
Nano letters
Volume:
11
Issue:
6
Pages:
2451-2456
Publication date:
2011-06-05
DOI:
EISSN:
1530-6992
ISSN:
1530-6984
URN:
uuid:10db8a4e-ac84-4263-9222-d86f94223ef1
Source identifiers:
159364
Local pid:
pubs:159364

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