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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
Source PublicationJOURNAL OF PHYSICAL CHEMISTRY B
2006-08-10
DOI10.1021/jp060811a
Volume110Issue:31Pages:15393-15402
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Physical
WOS Research AreaChemistry
WOS KeywordSCANNING-TUNNELING-MICROSCOPY ; LIQUID-SOLID INTERFACE ; METAL-SURFACES ; ELECTROCHEMICAL-BEHAVIOR ; 2-DIMENSIONAL CRYSTALS ; PHYSISORBED MONOLAYERS ; STM INVESTIGATIONS ; ORGANIC-MOLECULES ; ACHIRAL MOLECULES ; ACID-DERIVATIVES
AbstractSelf-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.
Language英语
WOS IDWOS:000239463300049
Citation statistics
Cited Times:30[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/140043
Collection中国科学院大连化学物理研究所
Affiliation1.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
Recommended Citation
GB/T 7714
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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