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BRIEF REPORTSNo Access

ELECTRIC-FIELD DEPENDENCE OF MOLECULAR CONFORMATIONS OBSERVED BY USING SCANNING TUNNELING MICROSCOPY

National Center for Nanoscience and Technology, Beijing 100080, P. R. China

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National Center for Nanoscience and Technology, Beijing 100080, P. R. China

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National Center for Nanoscience and Technology, Beijing 100080, P. R. China

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National Center for Nanoscience and Technology, Beijing 100080, P. R. China

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National Center for Nanoscience and Technology, Beijing 100080, P. R. China

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National Center for Nanoscience and Technology, Beijing 100080, P. R. China

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https://doi.org/10.1142/S1793292008000897Cited by:0 (Source: Crossref)

Abstract

We review the progress in observation of electrically induced conformational changes of a range of single molecules and molecular assemblies using scanning tunneling microscopy (STM). Recent results using species with optical active functional groups and supramolecular structures confirmed the previously observed effects that the cholesterol molecules with soft linkers have the conformational bistability when switching the bias polarity, while no discernable changes were observed for the mesogen molecules, containing rigid linking units. In addition, it was also observed that the linker units could have appreciable impacts on the assembling characteristics.

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Vol. 03, No. 02

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Received 14 December 2007

Revised 26 February 2008

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