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American Chemical Society, Journal of the American Chemical Society, 35(137), p. 11425-11431, 2015

DOI: 10.1021/jacs.5b06558

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Searching the hearts of graphene-like molecules for simplicity, sensitivity and logic

Journal article published in 2015 by Sara Sangtarash ORCID, Cancan Huang, Hatef Sadeghi ORCID, Gleb Sorohhov, Jürg Hauser, Thomas Wandlowski, Wenjing Hong, Silvio Decurtins, Shi-Xia Liu, Colin J. Lambert
This paper is available in a repository.
This paper is available in a repository.

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Abstract

If quantum interference patterns in the hearts of polycyclic aromatic hydrocarbons (PAHs) could be isolated and manipulated, then a significant step towards realizing the potential of single-molecule electronics would be achieved. Here we demonstrate experimentally and theoretically that a simple, parameter-free, analytic theory of interference patterns evaluated at the mid-point of the HOMO-LUMO gap (referred to as M-functions) correctly predicts conductance ratios of molecules with pyrene, naphthalene, anthracene, anthanthrene or azulene hearts. M-functions provide new design strategies for identifying molecules with phase-coherent logic functions and enhancing the sensitivity of molecular-scale interferometers. ; Comment: in J. Am. Chem. Soc. (2015)