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Site- and energy-selective intramolecular manipulation of polychlorinated biphenyl (PCB) molecules


Reference:

Pan, T. L., Sakulsermsuk, S., Sloan, P. A. and Palmer, R. E., 2011. Site- and energy-selective intramolecular manipulation of polychlorinated biphenyl (PCB) molecules. Journal of the American Chemical Society, 133 (31), pp. 11834-11836.

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Official URL:

http://dx.doi.org/10.1021/ja202307d

Abstract

We demonstrate the conversion of an adsorbed precursor state of polychlorinated biphenyl (PCB) molecules on the Si(111)-7 7 surface at room temperature into a more stable configuration via site- and energy-selective atomic manipulation in the scanning tunneling microscope (STM). Whereas molecular desorption is maximized by electron injection into the chemisorbed molecular ring at low voltage, injection into the physisorbed molecular ring above a threshold voltage (2.5 V) favors the reconfiguration of the bonding. The results clearly demonstrate both intramolecular charge localization and intramolecular charge transportation as key ingredients in the atomic manipulation of individual polyatomic molecules.

Details

Item Type Articles
CreatorsPan, T. L., Sakulsermsuk, S., Sloan, P. A. and Palmer, R. E.
DOI10.1021/ja202307d
DepartmentsFaculty of Science > Physics
RefereedYes
StatusPublished
ID Code25491

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