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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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Publication details

The article was received on 17 May 2019, accepted on 27 Jun 2019 and first published on 27 Jun 2019


Article type: Review Article
DOI: 10.1039/C9TC02626F
J. Mater. Chem. C, 2019, Advance Article

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    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, Advance Article , DOI: 10.1039/C9TC02626F

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