Citation: Cheng Bo Zhang, Ying Li, Wen Ke Liu, Hai Quan Zhang, Huai Yang, Qing Shan Li, Guang Zhong Xing. Synthesis, liquid crystalline and luminescent properties of trimeric phenylenevinylene with end-groups of (R)-(+)-2-methylbutyric acid ester[J]. Chinese Chemical Letters, ;2009, 20(12): 1423-1426. doi: 10.1016/j.cclet.2009.06.022 shu

Synthesis, liquid crystalline and luminescent properties of trimeric phenylenevinylene with end-groups of (R)-(+)-2-methylbutyric acid ester

a State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China;
b Department of Materials Physics and Chemistry, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing 100083, China

Received Date: 9 April 2009

Fund Project: This research was supported by the National Science Foundation (No.20674005) and the major project of Ministry Education of the People's Republic of China (No.104187).

The trimeric phenylenevinylene with the symmetrical chiral end-groups (ChTPV) was synthesized.The liquid crystalline and luminescent properties of the ChTPV have been studied by differential scanning calorimetry (DSC), polarized optical microscopy (POM), absorption and photoluminescence spectra.The results indicated that the ChTPV exhibits mesophase over a wide temperature range and a typical optical texture of smectic phase.In contrast with the spectra of the solution, that of the film showed blue-shift in maximal absorption and red-shift in maximal emission due to H-type aggregation with parallel alignment of the TPV transition dipole moment.
- Trimeric phenylenevinylene,
- Chiral,
- Synthesis,
- Liquid crystalline,
- Luminescence,
- H-type aggregation
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