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Chain-length effects on molecular conformation in and chirality of self-assembled monolayers of alkoxylated benzo[c]cinnoline derivatives on highly oriented pyrolytic graphite
Shao, Xiang; Luo, Xiancai; Hu, Xinquan; Wu, Kai
刊名JOURNAL OF PHYSICAL CHEMISTRY B
2006-08-10
DOI10.1021/jp060811a
110期:31页:15393-15402
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Physical
研究领域[WOS]Chemistry
关键词[WOS]SCANNING-TUNNELING-MICROSCOPY ; LIQUID-SOLID INTERFACE ; METAL-SURFACES ; ELECTROCHEMICAL-BEHAVIOR ; 2-DIMENSIONAL CRYSTALS ; PHYSISORBED MONOLAYERS ; STM INVESTIGATIONS ; ORGANIC-MOLECULES ; ACHIRAL MOLECULES ; ACID-DERIVATIVES
英文摘要Self-assembled structures of alkoxylated benzo[ c] cinnoline derivatives prepared on highly oriented pyrolytic graphite at room temperature from their solutions in solvents such as 1-phenyloctane, toluene, and 1-octanol were studied by scanning tunneling microscopy. The alkoxy chain length markedly affected the molecular conformations in 2-dimensional assemblies of these derivatives. Long-chain derivatives adopted the trans conformations more often than cis, whereas short-chain derivatives took exclusively the cis conformations in the self-assembled monolayers (SAMs). For the derivatives of intermediate chain lengths, polymorphism existed, with four molecular conformations identified experimentally. Experimental evidence substantiated the formation of chiral SAM structures at the surface, which can be explained by the conformations of the molecules. The chirality was also affected by the chain length of the molecules. A simple method analyzing the angles between different domains in the SAMs was used to identify the molecular conformations and to predict their relative structures.
语种英语
WOS记录号WOS:000239463300049
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/140043
专题中国科学院大连化学物理研究所
作者单位1.Peking Univ, Coll Chem & Mol Engn, Inst Chem Phys, State Key Lab Struct Chem Stable & Unstable Speci, Beijing 100871, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian 116023, Peoples R China
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Shao, Xiang,Luo, Xiancai,Hu, Xinquan,et al. Chain-length effects on molecular conformation in and chirality of self-assembled monolayers of alkoxylated benzo[c]cinnoline derivatives on highly oriented pyrolytic graphite[J]. JOURNAL OF PHYSICAL CHEMISTRY B,2006,110(31):15393-15402.
APA Shao, Xiang,Luo, Xiancai,Hu, Xinquan,&Wu, Kai.(2006).Chain-length effects on molecular conformation in and chirality of self-assembled monolayers of alkoxylated benzo[c]cinnoline derivatives on highly oriented pyrolytic graphite.JOURNAL OF PHYSICAL CHEMISTRY B,110(31),15393-15402.
MLA Shao, Xiang,et al."Chain-length effects on molecular conformation in and chirality of self-assembled monolayers of alkoxylated benzo[c]cinnoline derivatives on highly oriented pyrolytic graphite".JOURNAL OF PHYSICAL CHEMISTRY B 110.31(2006):15393-15402.
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