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Oxidation Potentials Correlate with Conductivities of Aromatic Molecular Wires

Author(s):

Jordan R. Quinn, Frank W. Foss, Latha Venkataraman, Ronald Breslow

Journal:

Journal of the American Chemical Society

Year:

2007

Volume:

129

Pages

12376–12377

DOI:

10.1021/ja0745097

Abstract:

Cyclic voltammetry determines first and second oxidation potentials of conducting diamines. The results show that unsubstituted and methyl-substituted molecules conduct electricity in partially positively charged states, reflecting electron delocalization at the wire−gold junctions, but with electron-withdrawing substituents, the molecular wires are closer to uncharged as conductors, consistent with HOMO arguments.

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