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Original Articles

Photosensitive chiral dopants with high twisting power

, , &
Pages 877-882 | Received 14 Jul 1992, Accepted 03 Aug 1993, Published online: 24 Sep 2006

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V. Chornous, M. Vovk, M. Bratenko, Yu. Dmytriv, A. Rudnichenko, M. Skorobahatko, N. Kasian, L. Lisetski & I. Gvozdovskyy. (2022) Light-controllable chiral dopant based on azo-fragment: synthesis and characterisation. Liquid Crystals 49:10, pages 1322-1337.
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Dharmendra Pratap Singh, Tripti Vimal, Swadesh Kumar Gupta, Prachi Tripathi, M. C. Varia, Sandeep Kumar, Shashwati Manohar & Rajiv Manohar. (2016) Tailoring of cholesteric plane spacing, dielectric relaxation and optical properties of high temperature chiral nematic phase by UV irradiation. Molecular Crystals and Liquid Crystals 625:1, pages 1-10.
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ValeryV. Vashchenko, NikolayYu. Gorobets, IrinaV. Knyazeva, OlexanderV. Kurochkin & SvetlanaV. Shishkina. (2012) Derivatives of menthothiophene as chiral dopants for nematic liquid crystals. Liquid Crystals 39:11, pages 1320-1329.
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Igor Gvozdovskyy, Oleg Yaroshchuk & Marina Serbina. (2011) Photoinduced Nematic – Cholesteric Structural Transitions in Liquid Crystal Cells with Homeotropic Anchoring. Molecular Crystals and Liquid Crystals 546:1, pages 202/[1672]-208/[1678].
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SvetlanaV. Serak, NelsonV. Tabiryan, Guram Chilaya, Andro Chanishvili & Gia Petriashvili. (2008) Chiral Azobenzene Nematics Phototunable with a Green Laser Beam. Molecular Crystals and Liquid Crystals 488:1, pages 42-55.
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Andrey Iljin, Victor Reshetnyak, Sergii Shelestiuk & Viktor Yarmolenko. (2006) Surface Director Sliding in LC Cell with Light-Controlled Chirality. Molecular Crystals and Liquid Crystals 453:1, pages 263-274.
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G. Chilaya, A. Chanishvili, G. Petriashvili, R. Barberi, R. Bartolino, M. P. De Santo, M. A. Matranga & P. Collings. (2006) Light Control of Cholesteric Liquid Crystals Using Azoxy-Based Host Materials. Molecular Crystals and Liquid Crystals 453:1, pages 123-140.
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A. I. Krivoshey, N. I. Shkolnikova, N. S. Pivnenko & L. A. Kutulya. (2006) Photo-induced Inversion of the Cholesteric Helix in Systems Containing 3(R)-Methylcyclohexanone 6-Arylidene Derivatives. Molecular Crystals and Liquid Crystals 449:1, pages 21-31.
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Andro Chanishvili, Guram Chilaya, Gia Petriashvili, Riccardo Barberi, Roberto Bartolino & MariaP. De Santo. (2005) Cholesteric Liquid Crystal Mixtures Sensitive to Different Ranges of Solar UV Irradiation. Molecular Crystals and Liquid Crystals 434:1, pages 25/[353]-38/[366].
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L. Kutulya, A. Krivoshey, E. Popova, N. Shkolnikova, A. Fedoryako, N. Pivnenko, L. Chepeleva & A. Doroshenko. (2005) Photoinduced Effects in Liquid Crystal Systems Containing Chiral α,β-Unsaturated Ketones. Molecular Crystals and Liquid Crystals 426:1, pages 99-107.
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J. Lub, W. Ten Hoeve, W. P. M. Nijssen & R. T. Wegh. (2002) The effect of substituents on the helical twisting power of aldol condensation products of menthone. Liquid Crystals 29:1, pages 71-77.
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T.G. Drushlyak, L.A. Kutulya, N.S. Pivnenko, N.I. Shkolnikova & V.V. Vashchenko. (2001) New Chiral Esters, Diastereomeric 2-(4-Carboxybenzylidene)-p-Menthane-3-One Derivatives, as Components of LC Systems with Induced Helical Structure. Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals 364:1, pages 691-701.
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AlexeyYu. Bobrovsky, NataliaI. Boiko & ValeryP. Shibaev. (2001) New Chiral-Photochromic Dopant with Variable Helical Twisting Power and its use in Photosensitive Cholesteric Materials. Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals 363:1, pages 35-50.
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A. Yu. Bobrovsky, N. I. Boiko, V. P. Shibaev & J. Springer. (2001) Photosensitive cholesteric polymers with azobenzene-containing chiral groups and mixtures of cholesteric copolymer with chiral-photochromic dopants. Liquid Crystals 28:6, pages 919-931.
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L.A. Kutulya, G.P. Semenkova, N.I. Shkolnikova, V.V. Vashchenko, L.L. Ostis, V.M. Sorokin & A.G. Kozachenko. (2001) New N-Arylidene (S)-1-Phenylethylamines as the Components of Induced Short-Pitch Cholesterics. Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals 357:1, pages 43-54.
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Estrella Mena, Peter Van De Witte & Johan Lub. (2000) Camphor and nopinone derivatives as new photosensitive chiral dopants. Liquid Crystals 27:7, pages 929-933.
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A. Yu. Bobrovsky, N. I. Boiko & V. P. Shibaev. (1999) New chiral photochromic menthone-containing homopolymers and copolymers - synthesis, phase behaviour and photo-optical properties. Liquid Crystals 26:12, pages 1749-1765.
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Lidiya Kutulya, Valery Vashchenko, Galina Semenkova & Natal'ya Shkolnikova. (1999) Effect of Chiral Dopants Molecular Structure on Temperature Dependencies of Induced Cholesteric Helical Pitch. Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals 331:1, pages 583-591.
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Martin Brehmer, Johan Lub & Peter Van Dewitte. (1999) Light Induced Colour Change of Cholesteric Copolymers**. Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals 331:1, pages 333-340.
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Valery Vashchenko, Tat'Yana Drushlyak, Natal'Ya Shkolnikova & Lidiya Kutulya. (1999) New Chiral 2-Arylidene-p-Menthane-3-Ones. Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals 328:1, pages 245-253.
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Natalia Boiko, Alexey Bobrovsky & Valery Shibaev. (1999) New Type of Chiral Photochromic Liquid Crystal Polymers for Colour Photo-Optical Recording. Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals 332:1, pages 173-180.
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A. YU. BOBROVSKY, N. I. BOIKO & V. P. SHIBAEV. (1998) Photo-optical properties of new combined chiral photochromic liquid crystalline copolymers. Liquid Crystals 25:3, pages 393-401.
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PETER VAN DE WITTE, JUAN CARLOS GALAN & JOHAN LUB. (1998) Modification of the pitch of chiral nematic liquid crystals by means of photoisomerization of chiral dopants. Liquid Crystals 24:6, pages 819-827.
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