Studies on Multilayered Langmuir-Blodgett Film of Crown Ether Containing Biphenyl Mesomorphic Groups

Abstract

Abstract: We report here the first successful preparation of Langmuir-Blodgett films of erown ether containing biphenyl groups. The fluorescence spectra of CEBB in CHCl₃have been studied In detail. From the dependence of concentration on the fluorescence intensity, it was shown that the intramolecular excimer can be formed in dense solution. The fluorescence spectra of LBfilms show that all the molecules exist in the form of associated state. Examination of the LB films by X-ray experiment indicated that the layer structure was well organized with smooth interlayer surfaces and with each layer having the same uniform thickness of 2. 6 nm.

Key words: Crown ether, Liquid crystal, LB film, Fluorescence spectra, Periodical structure

TrendMD:

Zhang Xi, Lin Zhi-hong, Wang Zhi-qiang, Shen Jia-cong. Studies on Multilayered Langmuir-Blodgett Film of Crown Ether Containing Biphenyl Mesomorphic Groups[J]. Chem. J. Chinese Universities, 1991, 12(9): 1262.

References

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