Rerouting Electron Transfer in Molecular Assemblies by Redox-Pair Matching

Renata Balgley, Sreejith Shankar, Michal Lahav, Milko E. Van Der Boom

Research output: Contribution to journalArticlepeer-review

17 Citations (Scopus)


We demonstrate how the distance over which electron transfer occurs through organic materials can be controlled and extended. Coating of conductive surfaces with nanoscale layers of redox-active metal complexes allows the electrochemical addressing of distant layers that are otherwise electrochemically silent. Our materials can pass electrons selectively in directions that are determined by positioning of layers of metal complexes and the distances between them. These electron-transfer processes can be made dominantly uni- or bidirectional. The design involves 1) a set of isostructural metal complexes with different electron affinities, 2) a scalable metal-organic spacer, and 3) a versatile assembly approach that allows systematic variation of composition, structure, and electron-transfer properties. We control the electrochemical communication between interfaces by the deposition sequence and the spacer length, therefore we are able to program the bulk properties of the assemblies.

Original languageEnglish
Pages (from-to)12457-12462
Number of pages6
JournalAngewandte Chemie - International Edition
Issue number42
Publication statusPublished - Oct 1 2015


  • electrochemistry
  • electron transfer
  • metal complexes
  • redox mediators
  • thin films

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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