Charge Mobilities in Molecular Materials Reversibly Modified by Light: Towards a Molecular Switch

Transport of charge carriers in molecular materials is influenced by traps created on or in the vicinity of polar additives. Relevant parameters of the polar dopant (dipole moments, ionization energies, electron affinities) can be reversibly changed by photochromic reactions. In conjugated polymers...

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Bibliographic Details
Published in:Molecular crystals and liquid crystals (Philadelphia, Pa. : 2003) Pa. : 2003), 2005-05, Vol.430 (1), p.127-133
Main Authors: Nešpůrek, S., Wang, G., Toman, P., Sworakowski, J., Bartkowiak, W., Iwamoto, M., Combellas, C.
Format: Article
Language:English
Subjects:
charge mobility
photochromism
poly[methyl(phenyl)silylene]
spiropyran
switching
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Summary:Transport of charge carriers in molecular materials is influenced by traps created on or in the vicinity of polar additives. Relevant parameters of the polar dopant (dipole moments, ionization energies, electron affinities) can be reversibly changed by photochromic reactions. In conjugated polymers containing suitable photochromic species, these changes may result in opening or closing a path for a charge carrier traveling on the polymer chain.
ISSN:1542-1406
1563-5287
DOI:10.1080/15421400590946262