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Photochromic oligothiophene substituted chromenes a new approach towards a molecular switch: electrical characterisation*

Published online by Cambridge University Press:  15 April 2002

A. Yassar ,
H. Jaafari ,
N. Rebière-Galy ,
M. Frigoli ,
C. Moustrou ,
A. Samat  and
R. Guglielmetti
A. Yassar*
Affiliation:
ITODYS, 1 rue Guy de la Brosse, 75005 Paris, France
H. Jaafari
Affiliation:
ITODYS, 1 rue Guy de la Brosse, 75005 Paris, France Laboratoire de chimie organique, Faculté des sciences et techniques, Settat, Morocco
N. Rebière-Galy
Affiliation:
LCMOM, ERS CNRS 158, Faculté des sciences de Luminy, 163 avenue de Luminy, 13288 Marseille Cedex 09, France
M. Frigoli
Affiliation:
LCMOM, ERS CNRS 158, Faculté des sciences de Luminy, 163 avenue de Luminy, 13288 Marseille Cedex 09, France
C. Moustrou
Affiliation:
LCMOM, ERS CNRS 158, Faculté des sciences de Luminy, 163 avenue de Luminy, 13288 Marseille Cedex 09, France
A. Samat
Affiliation:
LCMOM, ERS CNRS 158, Faculté des sciences de Luminy, 163 avenue de Luminy, 13288 Marseille Cedex 09, France
R. Guglielmetti
Affiliation:
LCMOM, ERS CNRS 158, Faculté des sciences de Luminy, 163 avenue de Luminy, 13288 Marseille Cedex 09, France
*
Yassar@Paris7.Jussieu.fr
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Abstract

We present a new approach for the realisation of a molecular photo-switch, based on photochrochromic oligothiophene-substituted chromenes. When optically excited, these compounds undergo a structural change passing from a neutral state (closed form) to a strongly polarized one (open form). This photochromic process is accompanied by a deep changes in the electrical characterisation.

Keywords

Type
Research Article
Information
The European Physical Journal - Applied Physics , Volume 18 , Issue 1 , April 2002 , pp. 3 - 8
Copyright
© EDP Sciences, 2002

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Footnotes

*

This paper has been presented at “Colloque électronique et nanotechnologie moléculaires”, 27–28 October 1999, Paris.

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