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题名: Surface-induced symmetry reduction in molecular switching: asymmetric cis-trans switching of CH3S-Au-SCH3 on Au(111)
作者: Gao, Jianzhi; Tang, Lin; Holmes, Scott; Li, Fangsen(李坊森); Palmer, Richard E.; Guo, Quanmin
通讯作者: Guo, QM
刊名: NANOSCALE
发表日期: 2016
DOI: 10.1039/c6nr06864b
卷: 8, 期:47
收录类别: SCI ; EI
文章类型: 期刊论文
部门归属: 大科学装置
英文摘要: The cis-trans isomerization of CH3S-Au-SCH3 driven by the tip of the scanning tunneling microscope is investigated at 77 K. CH3S-Au-SCH3 anchored on the Au(111) surface with the S-Au-S axis parallel to the substrate functions as a molecular switch due to the flipping of the CH3 groups. The bonding between CH3S-Au-SCH3 and Au(111) leads to asymmetric isomerization where one of the two methyl groups flips much more effectively than the other, despite the symmetry of CH3S-Au-SCH3. Our findings suggest the possibility of constructing similar molecular switches that can be operated at room temperature and a potential route for fine-tuning of molecular switches in future nanoscale electro-mechanical devices.
关键词[WOS]: MONOLAYERS ; METHYLTHIOLATE ; SPECTROSCOPY ; AZOBENZENE ; MOTOR
语种: 英语
JCR小类分区: 一区
WOS记录号: WOS:000390095400035
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/4884
Appears in Collections:大科学装置_期刊论文

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Recommended Citation:
Gao, Jianzhi,Tang, Lin,Holmes, Scott,et al. Surface-induced symmetry reduction in molecular switching: asymmetric cis-trans switching of CH3S-Au-SCH3 on Au(111)[J]. NANOSCALE,2016,8(47).
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