Functional Redox-Active Molecular Tunnel Junctions

Yingmei Han, Christian A. Nijhuis*

*Corresponding author for this work

Research output: Contribution to journalReview articleAcademicpeer-review

26 Citations (Scopus)
25 Downloads (Pure)


Redox‐active molecular junctions have attracted considerable attention because redox‐active molecules provide accessible energy levels enabling electronic function at the molecular length scales, such as, rectification, conductance switching, or molecular transistors. Unlike charge transfer in wet electrochemical environments, it is still challenging to understand how redox‐processes proceed in solid‐state molecular junctions which lack counterions and solvent molecules to stabilize the charge on the molecules. In this minireview, we first introduce molecular junctions based on redox‐active molecules and discuss their properties from both a chemistry and nanoelectronics point of view, and then discuss briefly the mechanisms of charge transport in solid‐state redox‐junctions followed by examples where redox‐molecules generate new electronic function. We conclude with challenges that need to be addressed and interesting future directions from a chemical engineering and molecular design perspectives.
Original languageEnglish
Pages (from-to)3752-3770
Number of pages19
JournalChemistry: an Asian journal
Issue number22
Publication statusPublished - 16 Nov 2020
Externally publishedYes


  • molecular electronics
  • redox-active molecules
  • molecular switches
  • charge transport
  • tunnelling


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