Au(111)表面TTF SAMs的表征及电子性能

Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals Pub Date : 2001-10-01 DOI:10.1080/10587250108030087

R. Yuge, A. Miyazaki, T. Enoki, E. Ito, F. Nakamura, M. Hara

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引用次数: 4

摘要

具有四硫代戊烯(TTF)骨架的介观尺寸自组装单层膜因其垂直于底物的量子尺寸效应和二维π-电子相互作用而受到关注。表面等离子体共振(SPR)表明，只有在适当浓度的Au(111)上才能形成TTF-CH2SH单层。通过扫描隧道显微镜(STM)证实了化学吸收地对空导弹的腐蚀坑的存在。从SPR和STM结果可以看出，TTF-CH2SH的分子长轴几乎垂直于底物。循环伏安(CV)结果表明，在金电极上的TTF-thiolate SAMs在重复扫描中是稳定的。

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Characterization and Electronic Properties of TTF SAMs on Au (111)

Abstract Self-assembled monolayer of mesoscopic size with Tetrathiafuluvalene (TTF) skeleton has attracted because it is expected to have quantum size effect for perpendicular to the substrate as well as two-dimensional π-electron interaction. Surface plasmon resonance (SPR) revealed that TTF-CH2SH monolayer is formed on Au (111) only at proper concentration. The presence of etch pits which is characteristic to chemisorbed SAMs was confirmed by scanning tunneling microscopy (STM). From those SPR and STM results, it has been suggested that the molecular long axis of TTF-CH2SH was aligned nearly perpendicular to the substrate. In addition, cyclic voltammogram (CV) result indicates that TTF-thiolate SAMs on gold electrode are stable in repeated scans.

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Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals

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