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Synthesis and mesomorphic behaviour of novel light‐emitting liquid crystals.

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Title: Synthesis and mesomorphic behaviour of novel light‐emitting liquid crystals.
Authors: Aldred, Matthew P.1, Eastwood, Amanda J.1, Kitney, Stuart P.1, Richards, Gary J.1, Vlachos, Panos2, Kelly, Stephen M.1 S.M.Kelly@hull.ac.uk, O'Neill, Mary3
Source: Liquid Crystals. Oct2005, Vol. 32 Issue 10, p1251-1264. 14p.
Subjects: Liquid crystals, Light sources, Crystallography, Crystals, Electroluminescent devices
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. [ABSTRACT FROM AUTHOR]
Copyright of Liquid Crystals is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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Header DbId: egs
DbLabel: Engineering Source
An: 19063572
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Synthesis and mesomorphic behaviour of novel light‐emitting liquid crystals.
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  Data: 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. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Liquid Crystals is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1080/02678290500371095
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        Text: English
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        Type: general
      – SubjectFull: Light sources
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      – SubjectFull: Crystallography
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              Text: Oct2005
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              Y: 2005
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