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Issue 41, 2019
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Experimental investigation of quantum interference in charge transport through molecular architectures

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Abstract

The experimental investigation of charge transport through an individual molecular junction provides a unique opportunity to reveal its distinctive quantum interference (QI), which is of fundamental importance for the development of novel molecular devices such as high on/off ratio switches and thermoelectric applications. In this review, we discuss the fundamentals of QI and the corresponding single-molecule experimental techniques. We start from the investigation of the QI of cross-conjugated systems to polycyclic aromatic hydrocarbons (PAHs) with different connectivities, then discuss σ-interference molecules and even supramolecular systems. Further, we review the latest applications of QI in single-molecule switches and summarize the recent developments of single-molecule electrochemical transistors reported by three different research groups by taking advantage of the energy level dependence of QI.

Graphical abstract: Experimental investigation of quantum interference in charge transport through molecular architectures

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Article information


Submitted
17 May 2019
Accepted
27 Jun 2019
First published
27 Jun 2019

J. Mater. Chem. C, 2019,7, 12790-12808
Article type
Review Article

Experimental investigation of quantum interference in charge transport through molecular architectures

X. Li, Z. Tan, X. Huang, J. Bai, J. Liu and W. Hong, J. Mater. Chem. C, 2019, 7, 12790
DOI: 10.1039/C9TC02626F

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