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Conformation control of triplet state diffusion in platinum containing polyfluorene copolymers

Abstract:

The spectral diffusion of singlet and triplet excitons in 9,9-dioctylfluorene-based conjugated copolymers is investigated using photoluminescence spectroscopy at both low (5 K) and room temperature (300 K). Inclusion of a N,N-diphenyl-4-(pyridin-2-yl)aniline moiety into the polymer backbone allows subsequent cyclometalation with platinum acetylacetonate to increase the spin-orbit coupling and yield radiative decay from the triplet state. For suitably low fractions (≤5%) of bulky ligand inclus...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1002/pol.20220366

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Oxford college:
Queen's College
Role:
Author
ORCID:
0000-0003-2578-9645
Publisher:
Wiley
Journal:
Journal of Polymer Science More from this journal
Volume:
61
Issue:
1
Pages:
83-93
Publication date:
2022-09-04
Acceptance date:
2022-08-17
DOI:
EISSN:
2642-4169
ISSN:
2642-4150
Language:
English
Keywords:
Pubs id:
1278244
Local pid:
pubs:1278244
Deposit date:
2022-10-06

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