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Langmuir-Blodgett Films of Potential Unidimensional Organic Rectifiers

Published online by Cambridge University Press:  25 February 2011

Robert M. Metzger  and
Charles A. Panetta
Robert M. Metzger
Affiliation:
Department of Chemistry, The University of Alabama, Tuscaloosa, Alabama, 35487–0336, USA
Charles A. Panetta
Affiliation:
Department of Chemistry, The University of Mississippi, University, MS 38677, USA
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Abstract

The progress of the Organic Rectifier Project (ORP) is reviewed. Several molecules of the type D-σ-A (D=organic one-electron donor, σ = covalent saturated bridge, A = organic one-electron acceptor) have been synthesized, to test the Aviram-Ratner Ansatz that they could be one-molecule thick rectifiers of electrical current. Many of these molecules (σ= urethane) self-assemble as Langmuir-Blodgett films; the cyclic voltammetry peaks confirm that these molecules preserve the good D and A characteristics. Calculations confirm that the zwitterionic state D+-σ-A- is much below the state D-σ-A+, as expected. Preliminary tests of electrical rectification have failed. With the installation of a new scanning electron microscope, the Aviram-Ratner Ansatz will soon be put to a final and definitive test

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Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 173: Symposium Q – Advanced Organic Solid State Materials , 1989 , 531
Copyright
Copyright © Materials Research Society 1990

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References

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