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2-(2-Methoxyphenyl)-1,3-dimethyl-1H-benzoimidazol-3-ium iodide as a new air-stable n-type dopant for vacuum-processed organic semiconductor thin films.

Abstract:
2-(2-Methoxyphenyl)-1,3-dimethyl-1H-benzoimidazol-3-ium iodide (o-MeO-DMBI-I) was synthesized and employed as a strong n-type dopant for fullerene C(60), a well-known n-channel semiconductor. The coevaporated thin films showed a maximum conductivity of 5.5 S/cm at a doping concentration of 8.0 wt% (14 mol%), which is the highest value reported to date for molecular n-type conductors. o-MeO-DMBI-I can be stored and handled in air for extended periods without degradation and is thus promising for various organic electronic devices.
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1021/ja211382x

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
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Publisher:
American Chemical Society Publisher's website
Journal:
Journal of the American Chemical Society Journal website
Volume:
134
Issue:
9
Pages:
3999-4002
Publication date:
2012-03-05
DOI:
EISSN:
1520-5126
ISSN:
0002-7863
URN:
uuid:492bbb5f-8b58-4219-930c-d762dd4c58c1
Source identifiers:
403010
Local pid:
pubs:403010

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