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2009 | 115 | 5 | 857-863
Article title

Dichroism of Poly(Methyl Methacrylate) Thin Films Doped with Disperse Orange 11 Molecules

Content
Title variants
Languages of publication
EN
Abstracts
EN
We investigate the absorption spectra of poly (methyl methacrylate) (PMMA) thin films doped with Disperse Orange 11 (DO11) dye molecules which change under illumination with visible light. Dichroism measurements of the kinetics of the transmission changes at 472 nm at room and low temperatures (-60° C ± 2 °C) have been investigated. Our data show that the photoisomerisation reaction and the light-induced polar orientation depend on the molecular structure of the polymer. Simultaneous UV-visible spectroscopy at low temperature confirms the existence of two forms of DO11 molecules (keto and enol forms), which are responsible for the interaction with irradiating laser light and forming an anisotropic structure inside the PMMA/DO11 thin film.
Keywords
EN
Year
Volume
115
Issue
5
Pages
857-863
Physical description
Dates
published
2009-05
received
2008-11-18
(unknown)
2009-04-21
References
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Document Type
Publication order reference
YADDA identifier
bwmeta1.element.bwnjournal-article-appv115n503kz
Identifiers
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