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Inne
Phototropic liquid crystals comprising one component.
Autorzy
Redaktorzy
Rok wydania
2013
Wydawca
SPIE
Miejsce wydania
Bellingham
Strony
88280U/1-88280U/7
DOI
10.1117/12.2024413
Tytuł książki
Proceedings of SPIE. Vol. 8828, Liquid Crystals XVII.
ISBN
978-0-8194-9678-2
Kolekcja
Język
Angielski
Typ publikacji
Rozdział książki
Phototropic liquid crystals (PtLC), in which the phase transition can be controlled by the light, are a new class of liquid crystal materials possessing number of potential applications, especially in photonic devices. So far a significant majority of PtLC materials has been realized by the doping a classical liquid crystal with a photochromic dye. Here we report PtLCs comprising a single compound. Liquid-crystalline and photochromic properties have been accomplished in alkylo-alkoxy derivatives of azobenzene. Such compounds show a rich polymorphism which can be controlled by the light. The phenomenon of the photochemical phase transition has been investigated by means of holographic grating recording.
Słowa kluczowe
Phototropic liquid crystal, azobenzene liquid crystal, azo compound, polymorphism, photochemical phase transition, photoinduced phase transition, holographic recording, diffraction grating
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