Abstract:
(Figure Presented) A comparison of the electrochemical gating of molecular conduction by a redox [Os(bipyridine)(pyridine)Cl] complex tethered to Au(111) with two different metal-molecule junctions in a scanning tunneling microscope nanogap is presented. The same redox molecular structure was tethered by mercaptobenzoic acid or reduction of the aryldiazonium salt of p-aminobenzoic acid, resulting in a Au-S or Au-C bond, respectively. A two-step electron-transfer mechanism with vibrational relaxation of the redox molecule is apparent in each case. Copyright © 2009 American Chemical Society.
Registro:
Documento: |
Artículo
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Título: | Electrochemical scanning tunneling spectroscopy of redox-active molecules bound by Au-C bonds |
Autor: | Ricci, A.M.; Calvo, E.J.; Martin, S.; Nichols, R.J. |
Filiación: | INQUIMAE, Facultad de Ciencias Exactas y Naturales, Ciudad Universitaria, Buenos Aires CP 1428, Argentina Department of Chemistry, Centre for Nanoscale Science, University of Liverpool, Liverpool L69 7ZD, United Kingdom
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Palabras clave: | Aryldiazonium salts; Au(1 1 1 ); Bipyridines; Electrochemical gating; Electron transfer mechanisms; Molecular conduction; Nano-gap; P-aminobenzoic acid; Redox molecules; Redox-active; Scanning tunneling microscopes; Scanning tunneling spectroscopy; Vibrational relaxation; Acids; Amino acids; Aviation; Chlorine compounds; Osmium; Scanning tunneling microscopy; Spectroscopy; Wind tunnels; Molecules; copper; gold; nanotube; article; chemical bond; chemical structure; electrochemical scanning tunneling spectroscopy; electrochemistry; electron transport; molecule; oxidation reduction reaction; spectroscopy |
Año: | 2010
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Volumen: | 132
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Número: | 8
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Página de inicio: | 2494
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Página de fin: | 2495
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DOI: |
http://dx.doi.org/10.1021/ja907867b |
Título revista: | Journal of the American Chemical Society
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Título revista abreviado: | J. Am. Chem. Soc.
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ISSN: | 00027863
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CODEN: | JACSA
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CAS: | copper, 15158-11-9, 7440-50-8; gold, 7440-57-5
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Registro: | https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00027863_v132_n8_p2494_Ricci |
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Citas:
---------- APA ----------
Ricci, A.M., Calvo, E.J., Martin, S. & Nichols, R.J.
(2010)
. Electrochemical scanning tunneling spectroscopy of redox-active molecules bound by Au-C bonds. Journal of the American Chemical Society, 132(8), 2494-2495.
http://dx.doi.org/10.1021/ja907867b---------- CHICAGO ----------
Ricci, A.M., Calvo, E.J., Martin, S., Nichols, R.J.
"Electrochemical scanning tunneling spectroscopy of redox-active molecules bound by Au-C bonds"
. Journal of the American Chemical Society 132, no. 8
(2010) : 2494-2495.
http://dx.doi.org/10.1021/ja907867b---------- MLA ----------
Ricci, A.M., Calvo, E.J., Martin, S., Nichols, R.J.
"Electrochemical scanning tunneling spectroscopy of redox-active molecules bound by Au-C bonds"
. Journal of the American Chemical Society, vol. 132, no. 8, 2010, pp. 2494-2495.
http://dx.doi.org/10.1021/ja907867b---------- VANCOUVER ----------
Ricci, A.M., Calvo, E.J., Martin, S., Nichols, R.J. Electrochemical scanning tunneling spectroscopy of redox-active molecules bound by Au-C bonds. J. Am. Chem. Soc. 2010;132(8):2494-2495.
http://dx.doi.org/10.1021/ja907867b