Synthesis and mesomorphic behaviour of novel light-emitting liquid crystals

Matthew P. Aldred; Amanda J. Eastwood; Stuart P. Kitney; Gary J. Richards; Panos Vlachos; Stephen M. Kelly; Mary O'Neill

doi:10.1080/02678290500371095

Synthesis and mesomorphic behaviour of novel light-emitting liquid crystals

Matthew P. Aldred, Amanda J. Eastwood, Stuart P. Kitney, Gary J. Richards, Panos Vlachos, Stephen M. Kelly, Mary O'Neill

Research output: Contribution to journal › Article › peer-review

30 Citations (Scopus)

Abstract

We report the results of a systematic study of the structure-mesomorphic behaviour relationships of a diverse range of light-emitting liquid crystals, but especially nematic 2,7-disubstituted-9,9-dialkylfluorenes. The dependence of the mesomorphic behaviour and transition temperatures on the nature and length of the terminal chains, the nature, position and number of lateral substituents and the number and nature of aromatic rings with and without heteroatoms in the central core is studied. The results of these studies are used to design polymerizable, light-emitting crystals (reactive mesogens) with a nematic phase having a high clearing point and a melting point below room temperature for facile OLED fabrication.

Original language	English
Pages (from-to)	1251-1264
Number of pages	14
Journal	Liquid Crystals
Volume	32
Issue number	10
DOIs	https://doi.org/10.1080/02678290500371095
Publication status	Published - 2005 Oct
Externally published	Yes

ASJC Scopus subject areas

Chemistry(all)
Materials Science(all)
Condensed Matter Physics

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AU - Aldred, Matthew P.

AU - Eastwood, Amanda J.

AU - Kitney, Stuart P.

AU - Richards, Gary J.

AU - Vlachos, Panos

AU - Kelly, Stephen M.

AU - O'Neill, Mary

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AB - We report the results of a systematic study of the structure-mesomorphic behaviour relationships of a diverse range of light-emitting liquid crystals, but especially nematic 2,7-disubstituted-9,9-dialkylfluorenes. The dependence of the mesomorphic behaviour and transition temperatures on the nature and length of the terminal chains, the nature, position and number of lateral substituents and the number and nature of aromatic rings with and without heteroatoms in the central core is studied. The results of these studies are used to design polymerizable, light-emitting crystals (reactive mesogens) with a nematic phase having a high clearing point and a melting point below room temperature for facile OLED fabrication.

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Synthesis and mesomorphic behaviour of novel light-emitting liquid crystals

Abstract

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