Journal
BEILSTEIN JOURNAL OF NANOTECHNOLOGY
Volume 6, Issue -, Pages 2088-2095Publisher
BEILSTEIN-INSTITUT
DOI: 10.3762/bjnano.6.213
Keywords
density functional theory; phenyl rings; quantum transport simulations; scanning tunneling microscopy; single-molecule switches
Funding
- Basque Departamento de Educacion
- UPV/EHU [IT-756-13]
- Spanish Ministerio de Economia y Competitividad [MAT-2013-46593-C6-2-P]
- European Union FP7-ICT project PAMS [610446]
- [25390007]
- [18340085]
- Grants-in-Aid for Scientific Research [25288006] Funding Source: KAKEN
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Mechanical methods for single-molecule control have potential for wide application in nanodevices and machines. Here we demonstrate the operation of a single-molecule switch made functional by the motion of a phenyl ring, analogous to the lever in a conventional toggle switch. The switch can be actuated by dual triggers, either by a voltage pulse or by displacement of the electrode, and electronic manipulation of the ring by chemical substitution enables rational control of the on-state conductance. Owing to its simple mechanics, structural robustness, and chemical accessibility, we propose that phenyl rings are promising components in mechanical molecular devices.
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