| 新型偶氮苯硫醇衍生物自组装膜的制备与结构表征 |
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| 引用本文： | 李海英,张浩力,张锦,刘忠范. 新型偶氮苯硫醇衍生物自组装膜的制备与结构表征[J]. 物理化学学报, 1999, 15(3): 198-203. DOI: 10.3866/PKU.WHXB19990302 |
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| 作者姓名： | 李海英 张浩力 张锦 刘忠范 |
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| 作者单位： | Center for Intelligent Material Research(CIMR),College of Chemistry and Molecular Engineering,Peking University,Beijing 100871;Petrochemical Department,Fushu Petroleum Institute,Fushun 113001,Department of Chemistry,Lanzhou University,Lanzhou 730000 |
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| 摘 要： |
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| 关 键 词： | 自组装单分子膜 偶氮苯硫醇衍生物 反射红外光谱 接触角测量 |
| 收稿时间： | 1998-11-09 |
| 修稿时间： | 1998-12-21 |
Preparation and Structural Characterization of Self-assembled Monolayers from a New Series of Mercapto Contained Azobenzene Derivatives |
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| Li Hai-Ying,Zhang Hao-Li,Zhang Jin,Liu Zhong-Fan. Preparation and Structural Characterization of Self-assembled Monolayers from a New Series of Mercapto Contained Azobenzene Derivatives[J]. Acta Physico-Chimica Sinica, 1999, 15(3): 198-203. DOI: 10.3866/PKU.WHXB19990302 |
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| Authors: | Li Hai-Ying Zhang Hao-Li Zhang Jin Liu Zhong-Fan |
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| Affiliation: | Center for Intelligent Material Research(CIMR),College of Chemistry and Molecular Engineering,Peking University,Beijing 100871;Petrochemical Department,Fushu Petroleum Institute,Fushun 113001|Department of Chemistry,Lanzhou University,Lanzhou 730000 |
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| Abstract: | Self Assembled Monolayers(SAMs) of a series of mercapto contained azobenzene derivatives with the structure of CnH2n+1AzoO(CH 2)mSH (where n =4,6,8,10,12; with m =3,5 respectively) were prepared and characterized. Wettability measurement of water on the SAMs demonstrates that molecular packing density in the monolayers increases while the alkyl chain in the molecules is lengthened. Both the n and m values have similar contribution to the wetting property of SAMs. The RA IR spectra reveal that the alkyl chains in the SAMs tilt away dramatically from the surface normal direction with the increase in their length. However, the orientation of azobenzene moiety is found to be influenced slightly by the alkyl chain length, which is due to the tenderness of the molecule. |
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| Keywords: | Self-assembled monolayers(SAMs) Azobenzene derivatives Contact angle measure |
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