ICCAS OpenIR
Effect of length of substituted alkyl chain on 2-D nanostructure
Xu, SD; Zeng, QD; Qiao, YH; Wang, C; Wan, LJ; Bai, CL
2003-06-01
Source PublicationCHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE
ISSN0251-0790
Volume24Issue:6Pages:1085-1088
AbstractA series of alkyl-substituted 1,3,5-triphenols were synthesized, and their adsorption and assembling behavior on a highly oriented pyrolytic graphite (HOPG) surface were studied by scanning tunneling microscopy (STM) under ambient conditions. A characteristic stripe-like structure was observed from these samples. In high-resolution STM images of the molecules with shorter chains, we found that two parallel alkyl chains were arranged side by side on one side of the phenylring, another alkyl chain was arranged on the other side and the alkyl chains interdigitate to form a uniform alkane lamella. The high stability and close-packed assembly were interrupted with increasing the chain length, and the co-existing self-assembly structure of the single molecule and dimmer was formed. This result is attributed to Van der Waals interactions between the alkyl chain-alkyl chain and the alkyl chain-substrate. This observation illustrates that changing alkyl chain length is an effective method for obtaining various two-dimensional molecular assemblies.
KeywordScanning Tunneling Microscopy (Stm) Self-assembly Nanostruture Nanoconstruction
Indexed BySCI
Language英语
WOS IDWOS:000183863200036
PublisherHIGHER EDUCATION PRESS
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iccas.ac.cn/handle/121111/81438
Collection中国科学院化学研究所
Corresponding AuthorBai, CL
AffiliationChinese Acad Sci, Inst Chem, Ctr Mol Sci, Beijing 100080, Peoples R China
Recommended Citation
GB/T 7714
Xu, SD,Zeng, QD,Qiao, YH,et al. Effect of length of substituted alkyl chain on 2-D nanostructure[J]. CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,2003,24(6):1085-1088.
APA Xu, SD,Zeng, QD,Qiao, YH,Wang, C,Wan, LJ,&Bai, CL.(2003).Effect of length of substituted alkyl chain on 2-D nanostructure.CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE,24(6),1085-1088.
MLA Xu, SD,et al."Effect of length of substituted alkyl chain on 2-D nanostructure".CHEMICAL JOURNAL OF CHINESE UNIVERSITIES-CHINESE 24.6(2003):1085-1088.
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