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Open Access The Potential of N-Heterocyclic Carbene Complexes as Components for Electronically Active Materials

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The application of N-heterocyclic carbene complexes as active sites in materials other than catalysis has been remarkably scarce. Inspired by the – often misleading – 'carbene' label, which implies a substantial degree of M=C π bonding, we have been interested in evaluating the potential of N-heterocyclic carbene complexes as building blocks for constructing electronically active materials. Electron mobility via the metal–carbon bond has been investigated in monometallic imidazol-2-ylidene complexes and subsequently expanded to polymetallic systems. In particular, ditopic benzobisimidazolium-derived ligands have been explored for the fabrication of bimetallic molecular switches and main-chain conjugated organometallic polymers. Electrochemical analyses have allowed the degree of electronic coupling between the metal sites to be quantified and the key parameters that govern the intermetallic communication to be identified.

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Document Type: Research Article

Affiliations: 1: Department of Chemistry, University of Fribourg, Chemin du Musée 9, CH-1700 Fribourg 2: Department of Chemistry, University of Fribourg, Chemin du Musée 9, CH-1700 Fribourg; School of Chemistry & Chemical Biology, University College Dublin, Belfield, Dublin 4, Ireland

Publication date: March 1, 2010

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  • International Journal for Chemistry and Official Membership Journal of the Swiss Chemical Society (SCS) and its Divisions

    CHIMIA, a scientific journal for chemistry in the broadest sense, is published 10 times a year and covers the interests of a wide and diverse readership. Contributions from all fields of chemistry and related areas are considered for publication in the form of Review Articles and Notes. A characteristic feature of CHIMIA are the thematic issues, each devoted to an area of great current significance.

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