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Temperature dependent photoluminescence from carbon nanotubes

Abstract:
The temperature dependence of the photoluminescence intensity from frozen single walled carbon nanotube solutions is reported. This is modelled assuming that it is dominated by the small energy splitting between the dark and bright states of the singlet excitons which are found to be in the region of 1-5 meV for nanotubes of 0.8-1.2nm. The luminescence is strongly enhanced by a magnetic field along the tube axis due to the mixing of the different valley states of the excitons.
Publication status:
Published

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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author


Journal:
PHYSICS OF SEMICONDUCTORS, PTS A AND B More from this journal
Volume:
893
Pages:
1009-1010
Publication date:
2007-01-01
Event title:
28th International Conference on the Physics of Semiconductors (ICPS-28)
ISSN:
0094-243X
ISBN:
9780735403970


Keywords:
Pubs id:
pubs:16692
UUID:
uuid:03f49d6b-40a7-49f2-a3f6-e853418f3305
Local pid:
pubs:16692
Source identifiers:
16692
Deposit date:
2012-12-19
ARK identifier:

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