Unimolecular Electrical Rectification in Hexadecylquinolinium Tricyanoquinodimethanide

Unimolecular Electrical Rectification in Hexadecylquinolinium Tricyanoquinodimethanide

Macroscopic and nanoscopic current−voltage measurements reveal asymmetries in the DC electrical conductivity through Langmuir−Blodgett multilayers and even monolayers of γ-(n-hexadecyl)quinolinum tricyanoquinodimethanide, C16H33Q-3CNQ (5). These asymmetries are due to a transition of the ground-stat...

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Veröffentlicht in:Journal of the American Chemical Society 1997-10, Vol.119 (43), p.10455-10466
Hauptverfasser: Metzger, Robert M, Chen, Bo, Höpfner, Ulf, Lakshmikantham, M. V, Vuillaume, Dominique, Kawai, Tsuyoshi, Wu, Xiangli, Tachibana, Hiroaki, Hughes, Terry V, Sakurai, Hiromi, Baldwin, Jeffrey W, Hosch, Christina, Cava, Michael P, Brehmer, Ludwig, Ashwell, Geoffrey J
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Sprache:eng
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Zusammenfassung:Macroscopic and nanoscopic current−voltage measurements reveal asymmetries in the DC electrical conductivity through Langmuir−Blodgett multilayers and even monolayers of γ-(n-hexadecyl)quinolinum tricyanoquinodimethanide, C16H33Q-3CNQ (5). These asymmetries are due to a transition of the ground-state zwitterion to an excited-state conformer which is probably neutral. Unimolecular electrical rectification by monolayers of 5 is unequivocally confirmed.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja971811e