| 含液晶基团的冠醚LB膜研究 |
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| 引用本文： | 张希,林志宏.含液晶基团的冠醚LB膜研究[J].高等学校化学学报,1991,12(9):1262-1264. |
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| 作者姓名： | 张希 林志宏 |
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| 作者单位： | 吉林大学化学系，吉林大学化学系，吉林大学化学系，吉林大学化学系 长春 130023，长春 130023，长春 130023，长春 130023 |
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| 摘 要： | 合成了含有联苯介晶基团的长链冠醚,并首次制成含液晶基团的冠醚LB膜,由LB膜的荧光光谱研究发现,与其单体在CHCl_3稀溶液中的荧光光谱相比,LB膜的荧光光谱向长波方向移动,表明分子均以缔结状态存在,XRD结果表明,LB膜具有良好的有序结构,单分子膜厚2.6nm。
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| 关 键 词： | 液晶 冠醚 LB膜 基团 荧光光谱 |
Studies on Multilayered Langmuir-Blodgett Film of Crown Ether Containing Biphenyl Mesomorphic Groups |
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| 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].Chemical Research In Chinese Universities,1991,12(9):1262-1264. |
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| Authors: | Zhang Xi Lin Zhi-hong Wang Zhi-qiang Shen Jia-cong |
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| Abstract: | We report here the first successful preparation of Langmuir-Blodgett films of erown ether containing biphenyl groups. The fluorescence spectra of CEBB in CHCla have 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 LB films 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. |
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| Keywords: | Crown ether Liquid crystal LB film Fluorescence spectra Periodical structure |
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