Photoinduced Orientation of Azobenzene Chromophores in Polymer Films

In situ dynamical studies of photoinduced orientation of the azobenzene group in polymer films were carried out using real-time visible absorption and birefringence measurements. From these studies, the mechanisms of the photoinduced birefringence generation in the polymer films can be explained bas...

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Veröffentlicht in:	Molecular crystals and liquid crystals science and technology. Section A, Molecular crystals and liquid crystals Molecular crystals and liquid crystals, 2000-09, Vol.349 (1), p.83-86
Hauptverfasser:	Lee, Won Sun, Choi, Sie Hyug, Song, Kigook
Format:	Artikel
Sprache:	eng
Schlagworte:	anisotropy azobenzene Exact sciences and technology Fundamental areas of phenomenology (including applications) Optical materials Optics photoinduced Physics polymer Polymers and organics relaxation
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Zusammenfassung:	In situ dynamical studies of photoinduced orientation of the azobenzene group in polymer films were carried out using real-time visible absorption and birefringence measurements. From these studies, the mechanisms of the photoinduced birefringence generation in the polymer films can be explained based on trans-cis isomerization, thermal back relaxation, and angular relaxation of reoriented trans isomers.
ISSN:	1058-725X
DOI:	10.1080/10587250008024871