| Self-assembled structure of alkyloxy substituted benzoic acid methyl ester on HOPG：An STM study |
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| 引用本文： | YUANQunhui LUJun WANLijun BAIChunli. Self-assembled structure of alkyloxy substituted benzoic acid methyl ester on HOPG：An STM study[J]. 科学通报(英文版), 2004, 49(24): 2590-2593. DOI: 10.1360/04wb0090 |
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| 作者姓名： | YUANQunhui LUJun WANLijun BAIChunli |
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| 作者单位： | InstituteofChemistry,ChineseAcademyofSciences,Beijing100080,China |
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| 摘 要： | Self-assembled structures of 3,4,5-tris-dodecy-loxy benzoic acid methyl ester (E12), 3,4,5-tris-tetradecy-loxy-benzoic acid methyl ester (E14) and their mixture (E12/E14) have been studied on HOPG by scanning tunneling microscopy (STM). Dimer-like patterns induced by dipole-dipole interaction are observed in E12 and E14 monolayers. The molecules form close-packed rows and interdigitate with the alkyl chains in adjacent molecules. The structural differences are proposed to be from the different length of substituted alkyl chains. Owing to similar adsorption energy, phase separation is observed in the E12 and E14 mixed adlayer with different domains.
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| 关 键 词： | 自集聚结构 烷基 安息香酸甲基酯 HOPG 显微镜扫描技术 交互作用 有机物 分子结构 |
| 收稿时间： | 2004-05-24 |
| 修稿时间： | 2004-07-06 |
Self-assembled structure of alkyloxy substituted benzoic acid methyl ester on HOPG: An STM study |
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| Qunhui?Yuan,Jun?Lu,Lijun?WanEmail author,Chunli?Bai. Self-assembled structure of alkyloxy substituted benzoic acid methyl ester on HOPG: An STM study[J]. Chinese science bulletin, 2004, 49(24): 2590-2593. DOI: 10.1360/04wb0090 |
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| Authors: | Qunhui?Yuan,Jun?Lu,Lijun?Wan author-information" > author-information__contact u-icon-before" > mailto:wanlijun@iccas.ac.cn" title=" wanlijun@iccas.ac.cn" itemprop=" email" data-track=" click" data-track-action=" Email author" data-track-label=" " >Email author,Chunli?Bai |
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| Affiliation: | (1) Institute of Chemistry, Chinese Academy of Sciences, 100080 Beijing, China |
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| Abstract: | Self-assembled structures of 3,4,5-tris-dodecy- loxy benzoic acid methyl ester (E12), 3,4,5-tris-tetradecy- loxy-benzoic acid methyl ester (E14) and their mixture (E12/E14) have been studied on HOPG by scanning tunnel- ing microscopy (STM). Dimer-like patterns induced by di- pole-dipole interaction are observed in E12 and E14 monolayers. The molecules form close-packed rows and in- terdigitate with the alkyl chains in adjacent molecules. The structural differences are proposed to be from the different length of substituted alkyl chains. Owing to similar adsorp- tion energy, phase separation is observed in the E12 and E14 mixed adlayer with different domains. |
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| Keywords: | scanning tunneling microscopy (STM) self-assembly dipole-dipole interaction alkyloxy substituted benzoic acid methyl ester. |
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