Tonatiuh García, Leticia Larios-López, Rosa Julia Rodríguez-González, Dr. José Román Torres-Lubián and Dr. Dámaso Navarro-Rodríguez Azo Monomers Exhibiting Low Layer Shrinkage at the SmA–SmC Transition and trans–cis Light-Induced Isomerization ChemPhysChem 13
Liquid assets: Methacrylic monomers bearing a long azo chromophore core (see picture) show low layer shrinkage at the smectic A to smectic C transition. This unexpected de Vries-like behavior in molecules without highly segregating elements is attractive for applications in optical devices. These monomers also show high cis-isomer contents (>96 %) after photoirradiation.
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