Conductive Metal–Organic Framework Thin Film Hybrids by Electropolymerization of Monosubstituted Acetylenes

1-Hexyne monomers were potentiostatically electropolymerized upon confinement in 1D channels of a surface-mounted metal–organic framework Cu­(BDC) (SURMOF-2). A layer-by-layer deposition method allowed for SURMOF depostition on substrates with prepatterned electrodes, making it possible to character...

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Bibliographic Details
Published in:ACS applied materials & interfaces 2020-07, Vol.12 (27), p.30972-30979
Main Authors: Klyatskaya, Svetlana, Kanj, Anemar Bruno, Molina-Jirón, Concepción, Heidrich, Shahriar, Velasco, Leonardo, Natzeck, Carsten, Gliemann, Hartmut, Heissler, Stefan, Weidler, Peter, Wenzel, Wolfgang, Bufon, Carlos Cesar Bof, Heinke, Lars, Wöll, Christof, Ruben, Mario
Format: Article
Language:English
Subjects:
Chemical Sciences
Other
Surfaces, Interfaces, and Applications
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Summary:1-Hexyne monomers were potentiostatically electropolymerized upon confinement in 1D channels of a surface-mounted metal–organic framework Cu­(BDC) (SURMOF-2). A layer-by-layer deposition method allowed for SURMOF depostition on substrates with prepatterned electrodes, making it possible to characterize electrical conductivity in situ, i.e., without having to delaminate the conductive polymer thin film. Successful polymerization was evidenced by mass spectroscopy, and the electrical measurements demonstrated an increase of the electrical conductivity of the MOF material by 8 orders of magnitude. Extensive DFT calculations revealed that the final conductivity is limited by electron hopping between the conductive oligomers.
ISSN:1944-8244
1944-8252
DOI:10.1021/acsami.0c07036