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Issue 33, 2015
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Surface enhanced Raman scattering of a single molecular junction

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Abstract

The characterization of a single molecular junction is essential to investigate and utilize the single molecular junction in single molecular devices. Vibration spectroscopy is a promising technique for characterizing the atomic structure of the single molecular junction. In this review paper, we describe the surface-enhanced Raman scattering (SERS) as a vibration spectroscopy of a single molecular junction. A strong electric field is formed in the nanogaps in the single molecular junction, which enhances the intensity of the Raman signal. The Raman signal from a single molecule in the nanogap is selectively observed thanks to the strong electric field. Simultaneous SERS and conductance measurements provide information of the geometric structure of the single molecular junction, which can clarify the single molecular dynamics.

Graphical abstract: Surface enhanced Raman scattering of a single molecular junction

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Article information


Submitted
27 Oct 2014
Accepted
15 Jan 2015
First published
15 Jan 2015

Phys. Chem. Chem. Phys., 2015,17, 21254-21260
Article type
Paper

Surface enhanced Raman scattering of a single molecular junction

R. Matsushita and M. Kiguchi, Phys. Chem. Chem. Phys., 2015, 17, 21254
DOI: 10.1039/C4CP04906C

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