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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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Article information


Submitted
08 Feb 2019
Accepted
05 Jun 2019
First published
12 Jul 2019

This article is Open Access

Nanoscale, 2019,11, 13720-13724
Article type
Communication

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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