| Issue |
Eur. Phys. J. AP
Volume 18, Number 1, April 2002
|
|
|---|---|---|
| Page(s) | 3 - 8 | |
| Section | Semiconductors and Devices | |
| DOI | https://doi.org/10.1051/epjap:2002020 | |
| Published online | 15 April 2002 | |
https://doi.org/10.1051/epjap:2002020
Photochromic oligothiophene substituted chromenes a new approach towards a molecular switch: electrical characterisation*
1
ITODYS, 1 rue Guy de la Brosse, 75005 Paris, France
2
Laboratoire de chimie organique, Faculté des sciences et techniques, Settat, Morocco
3
LCMOM, ERS CNRS 158, Faculté des sciences de Luminy, 163 avenue de Luminy,
13288 Marseille Cedex 09, France
Corresponding author: Yassar@Paris7.Jussieu.fr
Received:
4
February
2000
Revised:
19
November
2001
Accepted:
24
January
2002
Published online: 15 April 2002
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.
PACS: 78.55.Kz – Solid organic materials / 72.20.Jv – Charge carriers: generation, recombination, lifetime, and trapping / 73.61.Ph – Polymers; organic compounds
© EDP Sciences, 2002
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