Ad layer Structure of Shape-Persistent Macrocycle Molecules: Fabrication and Tuning Investigated with Scanning Tunneling Microscopy
Huang, W; Zhao, TY; Wen, MW; Yang, ZY; Xu, W; Yi, YP; Xu, LP; Wang, ZX; Gu, ZJ;谷战军;
刊名JOURNAL OF PHYSICAL CHEMISTRY C
2014
卷号118期号:13页码:6767-6772
学科分类Chemistry; Science & Technology - Other Topics; Materials Science
DOI10.1021/jp4115964
英文摘要The assembling structure of square and triangular macrocycle molecules constructed with diethynylcarbazole units was investigated by scanning tunneling microscopy (STM) on a graphite surface. STM observation revealed that the square macrocycle molecule (M1) forms a multilayer on the graphite surface. In the first layer, M1 assembles into medium-sized domains with a few defects and dislocations, whereas, for the second layer, most of M1 are dispersed on the first layer separately. A tentative stacking mode of the bilayer structure is provided in this paper on the basis of information given by STM experiments. Considering the interlayer distance given by the crystal data on the similar molecules and the length of the M1 alkyl chains, we think that it is possible that part of the top M1 side chains adsorbs on the cavity area of the bottom M1 and probably plays a dominant role in stabilizing the second layer. This postulation is verified by a control experiment in which coronene is filled in the cavity of M1 and no bilayer structure of M1 is found. The triangular molecule (M2) organizes into a single layer with larger and less defect domains. Two M2 are paired together in parallel, but opposite-oriented style, and are responsible for the serrate edge of the molecular row. The alkyl chains of M2 adopt rather diverse arrangements without disturbing the assembly of M2 core parts. When the solution contains both coronene and M2, no M2 coronene complex is observed and the adlayer characteristics of M2 are essentially the same as those of only M2 in solution. The results may help us to learn the stacking behavior of macrocycle molecules with different shapes, understand surface self-assembling principles, and develop high-performance devices based on related materials.
收录类别SCI
WOS记录号WOS:000334258600026
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被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/225137
专题中国科学院高能物理研究所_多学科研究中心_期刊论文
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Huang, W,Zhao, TY,Wen, MW,et al. Ad layer Structure of Shape-Persistent Macrocycle Molecules: Fabrication and Tuning Investigated with Scanning Tunneling Microscopy[J]. JOURNAL OF PHYSICAL CHEMISTRY C,2014,118(13):6767-6772.
APA Huang, W.,Zhao, TY.,Wen, MW.,Yang, ZY.,Xu, W.,...&Gu, ZJ;谷战军;.(2014).Ad layer Structure of Shape-Persistent Macrocycle Molecules: Fabrication and Tuning Investigated with Scanning Tunneling Microscopy.JOURNAL OF PHYSICAL CHEMISTRY C,118(13),6767-6772.
MLA Huang, W,et al."Ad layer Structure of Shape-Persistent Macrocycle Molecules: Fabrication and Tuning Investigated with Scanning Tunneling Microscopy".JOURNAL OF PHYSICAL CHEMISTRY C 118.13(2014):6767-6772.
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