A de Vries (SmC*) Phase in a Novel Series of Chiral Fluorinated Organosiloxane Liquid Crystals

Wajdi Michael ZoghaibChemistry Department, Sultan Qaboos University, PO Box, Al-Khod 123, Oman; Correspondence[email protected]

Carlo CarboniPhysics Department, Sultan Qaboos University, PO Box, Al-Khod 123, Oman

Fatma A. KashoubChemistry Department, Sultan Qaboos University, PO Box, Al-Khod 123, Oman;

Juhaina S. Al-RushidiChemistry Department, Sultan Qaboos University, PO Box, Al-Khod 123, Oman;

Buthaina Y. Al-JabriChemistry Department, Sultan Qaboos University, PO Box, Al-Khod 123, Oman;

Aysha S. Al-AlawiChemistry Department, Sultan Qaboos University, PO Box, Al-Khod 123, Oman;

Hayat F. Al-MendhryChemistry Department, Sultan Qaboos University, PO Box, Al-Khod 123, Oman;

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Abstract

The synthesis and characterization of a series of five chiral fluorinated low molar mass (bifurcated tail) organosiloxane materials is presented. The mesogenic moiety is similar to that in the TSiKN65F mesogen reported by Naciri et al., which displays a de Vries-type SmA* phase. The one parameter varied across the series reported herein is the length of the alkyl chain linking the mesogen's core to the bifurcated siloxane tail. One of the five materials displays a de Vries SmC* phase upon cooling from SmA*.

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Acknowledgment

Financial support by Sultan Qaboos University’s Internal Grant number IG/SCI/CHEM/17/07 is greatly appreciated.

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A de Vries (SmC*) Phase in a Novel Series of Chiral Fluorinated Organosiloxane Liquid Crystals

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A de Vries (SmC*) Phase in a Novel Series of Chiral Fluorinated Organosiloxane Liquid Crystals

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