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Ultrafast charge separation at a polymer-single-walled carbon nanotube molecular junction.

Abstract:

We have investigated the charge photogeneration dynamics at the interface formed between single-walled carbon nanotubes (SWNTs) and poly(3-hexylthiophene) (P3HT) using a combination of femtosecond spectroscopic techniques. We demonstrate that photoexcitation of P3HT forming a single molecular layer around a SWNT leads to an ultrafast (∼430 fs) charge transfer between the materials. The addition of excess P3HT leads to long-term charge separation in which free polarons remain separated at room...

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Publication status:
Published

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Publisher copy:
10.1021/nl1036484

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Role:
Author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Role:
Author
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Journal:
Nano letters
Volume:
11
Issue:
1
Pages:
66-72
Publication date:
2011-01-05
DOI:
EISSN:
1530-6992
ISSN:
1530-6984
URN:
uuid:a7b12c78-3fd0-4260-9d79-bee8cdae87e4
Source identifiers:
97288
Local pid:
pubs:97288

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