DESIGN AND STUDY OF NEW AZOBENZENE LIQUID CRYSTAL／POLYMER MATERIALS-中国期刊网

摘要 Discussionispresentedontheuseofthephotoisomerizationofazobenzenechromophoreinthedesignandpreparationofnovelfunctionalmaterials.Thetwosystemsreviewedareazobenzenepolymer-stabilizedliquidcrystalsandazobenzeneelastomers.Inthefirstcase,apolymernetworkcontainingazobenzenemoietiesisusedtoopticallyinduceandstabilizealong-rangeliquidcrystalorientationwithouttheneedoftreatingthesurfacesofthesubstrates.Thisopticalandrubbing-freeapproachwasappliedtonematicandferroelectricliquidcrystals.Inthesecondcase,anazobenzeneside-chainliquidcrystallinepolymerisgraftedontoastyrene-butadiene-styrenetriblockcopolymertoyieldaphotoactivethermoplasticelastomer.Coupledmechanicalandopticaleffectsmakepossibletheformationofdiffractiongratingsthatmaybeusefulformechanicallytunableopticaldevices.

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DESIGN AND STUDY OF NEW AZOBENZENE LIQUID CRYSTAL／POLYMER MATERIALS

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DESIGN AND STUDY OF NEW AZOBENZENE LIQUID CRYSTAL／POLYMER MATERIALS

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