Résumé
This work is devoted to photoresponsive hybrid organic-inorganic materials prepared by the sol-gel method, using dithienylethene or azobenzene as photosensitive chromophores. These photochromic units were covalently attached to the silica backbone as part of the main-chain and as a side group respectively. The electrocyclization of dithienylethene or the isomerization of azobenzene under irradiation cause local modifications of the optical properties of the host sol-gel polymers. We took advantage of either high refractive index changes (>10-2) or material deformation of the sol-gel films to design optical components and to store information.
| langue originale | Anglais |
|---|---|
| Pages (de - à) | 77-82 |
| Nombre de pages | 6 |
| journal | Molecular Crystals and Liquid Crystals Science and Technology Section A: Molecular Crystals and Liquid Crystals |
| Volume | 344 |
| Les DOIs | |
| état | Publié - 1 janv. 2000 |
| Evénement | 3rd International Symposium on Organic Photochromism (ISOP99) - Fukuoka, Jpn Durée: 14 nov. 1999 → 18 nov. 1999 |
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