Synthesis and phase behaviour of novel organosiloxane liquid-crystal materials and Investigation of the occurrence of de Vries phases in them.

Project: Other project

Project Details

Description

To continue our research in organosiloxane liquid crystal materials and to build upon the successes of previous years (10 publications in 7 years), we propose to design and synthesize at SQU a series of homologous materials based on modifications and analogs of materials previously synthetized at SQU. In this proposed work we intend to modify the mesogenic moiety attached to the siloxane group. To our knowledge this has not been reported in the literature. We also propose to add a fluorine to the mesogenic core and to vary the length of the alkyl chain. We expect all the materials to display ferroelectric phases and some to display de Vries SmA* or SmC* behavior. We also expect to observe a SA* (de Vries) to SC* transition in some of the materials. This timely and relevant project can be achieved at a relatively low cost. The Liquid-Crystal Laboratory has been well-equipped through previous funding by SQU. The chemistry for the synthesis is now well established in the chemistry department.

Layman's description

To continue our research in organosiloxane liquid crystal materials and to build upon the successes of previous years (10 publications in 7 years), we propose to design and synthesize at SQU a series of homologous materials based on modifications and analogs of materials previously synthetized at SQU. In this proposed work we intend to modify the mesogenic moiety attached to the siloxane group. To our knowledge this has not been reported in the literature. We also propose to add a fluorine to the mesogenic core and to vary the length of the alkyl chain. We expect all the materials to display ferroelectric phases and some to display de Vries SmA* or SmC* behavior. We also expect to observe a SA* (de Vries) to SC* transition in some of the materials. This timely and relevant project can be achieved at a relatively low cost. The Liquid-Crystal Laboratory has been well-equipped through previous funding by SQU. The chemistry for the synthesis is now well established in the chemistry department.
AcronymTTotP
StatusNot started

Keywords

  • Liquid Crystal
  • Mesogenic moiety
  • Smectic A or Smectic C de Vries phase

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