Spectral Photosensitization of Optical Anisotropy in Solid Poly(Vinyl Cinnamate) Films
The possibility and features of formation of sensitized photoinduced optical anisotropy in amorphous films of poly(vinyl cinnamate) and its derivative poly(vinyl-4-metoxicinnamate) under the action of polarized light (including light that is not absorbed by polymer macromolecules themselves) have be...
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| Veröffentlicht in: | Technical physics 2018-04, Vol.63 (4), p.576-580 |
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| container_title | Technical physics |
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| creator | Kozenkov, V. M. Spakhov, A. A. Belyaev, V. V. Chausov, D. N. Chigrinov, V. G. |
| description | The possibility and features of formation of sensitized photoinduced optical anisotropy in amorphous films of poly(vinyl cinnamate) and its derivative poly(vinyl-4-metoxicinnamate) under the action of polarized light (including light that is not absorbed by polymer macromolecules themselves) have been investigated. It is found that the effect of induced optical anisotropy is based on the transfer of electron excitation energy from donor (sensitizer) molecules to acceptor molecules and is observed in the course of phototopochemical biomolecular cyclization reaction of cinnamate fragments in polymer macromolecules. The detected photoinduced anisotropy in solid films of poly(vinyl cinnamate) and its derivative poly(vinyl-4-metoxicinnamate) ensures sensitized photo-orientation of low-molecular thermotropic liquid crystals. |
| doi_str_mv | 10.1134/S1063784218040138 |
| format | Article |
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It is found that the effect of induced optical anisotropy is based on the transfer of electron excitation energy from donor (sensitizer) molecules to acceptor molecules and is observed in the course of phototopochemical biomolecular cyclization reaction of cinnamate fragments in polymer macromolecules. 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| subjects | AMORPHOUS STATE ANISOTROPY Classical and Continuum Physics CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY CYCLIZATION ELECTRON TRANSFER Electron transport EXCITATION LIQUID CRYSTALS Macromolecules MOLECULES OPTICS ORGANIC COMPOUNDS Physics Physics and Astronomy Plastic products Polarized light POLYMERS SENSITIZERS SOLIDS Thin films VISIBLE RADIATION |
| title | Spectral Photosensitization of Optical Anisotropy in Solid Poly(Vinyl Cinnamate) Films |
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