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Issue 29, 2019
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Cross-conjugation increases the conductance of meta-connected fluorenones

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Abstract

Charge transport is strongly suppressed by destructive quantum interference (DQI) in meta-connected 1,1′-biphenyl-containing molecules, resulting in low electrical conductance. Surprisingly, we have found that DQI is almost entirely overcome by adding a bridging carbonyl, to yield a cross-conjugated fluorenone. This contrasts with other π-systems, such as para-connected anthraquinone, where cross-conjugation results in low conductance.

Graphical abstract: Cross-conjugation increases the conductance of meta-connected fluorenones

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Publication details

The article was received on 08 Feb 2019, accepted on 05 Jun 2019 and first published on 12 Jul 2019


Article type: Communication
DOI: 10.1039/C9NR01235D
Nanoscale, 2019,11, 13720-13724
  • Open access: Creative Commons BY license
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    Cross-conjugation increases the conductance of meta-connected fluorenones

    A. Alanazy, E. Leary, T. Kobatake, S. Sangtarash, M. T. González, H. Jiang, G. R. Bollinger, N. Agräit, H. Sadeghi, I. Grace, S. J. Higgins, H. L. Anderson, R. J. Nichols and C. J. Lambert, Nanoscale, 2019, 11, 13720
    DOI: 10.1039/C9NR01235D

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