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Electron spin as fingerprint for charge generation and transport in doped organic semiconductors

Abstract:

We use the electron spin as a probe to gain insight into the mechanism of molecular doping in a p-doped zinc phthalocyanine host across a broad range of temperatures (80–280 K) and doping concentrations (0–5 wt% of F6-TCNNQ). Electron paramagnetic resonance (EPR) spectroscopy discloses the presence of two main paramagnetic species distinguished by two different g-tensors, which are assigned based on density functional theory calculations to the formation of a positive polaron on the host and ...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1039/d0tc06097f

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
ORCID:
0000-0002-9093-8347
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Role:
Author
ORCID:
0000-0001-7777-9161
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
More from this funder
Name:
European Commission
Grant:
722651
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Name:
Science and Technology Facilities Council
Grant:
ST/R002754/1;
Publisher:
Royal Society of Chemistry
Journal:
Journal of Materials Chemistry C More from this journal
Volume:
9
Issue:
8
Pages:
2944-2954
Publication date:
2021-02-04
Acceptance date:
2021-01-27
DOI:
EISSN:
2050-7534
ISSN:
2050-7526
Language:
English
Keywords:
Pubs id:
1160658
Local pid:
pubs:1160658
Deposit date:
2021-02-10

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