| Turning On and Off the Rotational Oscillation of a Single Porphine Molecule by Molecular Charge State. | |
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MedLine Citation:
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PMID: 22468858 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The rotation dynamics of single magnesium porphine (MgP) molecules on ultrathin NaCl bilayer is investigated with low temperature scanning tunneling microscopy (STM) and density functional theory (DFT) calculations. It is observed that the rotational oscillation between two stable orientations can be turned on and off by the molecular charge state, which can be manipulated with tunneling electrons. The features of the charge states and the mechanism of molecular rotational on/off state control are revealed at the atomic scale. The dependence of molecular orientation switching rate on the tunneling electron energy and the current density illustrates the underlying resonant tunneling excitation and single electron process. The drive and control of molecular motion with tunneling electrons demonstrated in this study suggests a novel approach towards electronically controlled molecular rotors and motors. |
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Authors:
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Shichao Yan; Zijing Ding; Nan Xie; Huiqi Gong; Qian Sun; Yang Guo; Xinyan Shan; Sheng Meng; Xinghua Lu |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-4-2 |
Journal Detail:
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Title: ACS nano Volume: - ISSN: 1936-086X ISO Abbreviation: - Publication Date: 2012 Apr |
Date Detail:
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Created Date: 2012-4-3 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101313589 Medline TA: ACS Nano Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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