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Issue 4, 2016
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Influence of the supramolecular order on the electrical properties of 1D coordination polymers based materials

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Abstract

The generation, under self-assembly conditions, of coordination polymers on surface based combinations of a terpyridine–antracene–pyridine based tecton and Co(II) or Pd(II) cations is primarily governed by the coordination geometry of the metal center (octahedral and square planar respectively). While the octahedral Co(II) based polymer self-assembles in insulating films exhibiting randomly oriented crystalline domains, the planarity of Pd(II) based polymers leads to the formation of conductive π–π stacked fibrillar structures exhibiting anisotropically oriented domains. In the latter case, the favorable Pd–Pd and anthracene–anthracene wavefunction overlaps along the fiber direction are responsible for the large electronic couplings between adjacent chains, whereas small electronic couplings are instead found along individual polymer chains. These results provide important guidelines for the design of conductive metal coordination polymers, highlighting the fundamental role of both intra- as well as inter-chain interactions, thus opening up new perspectives towards their application in functional devices.

Graphical abstract: Influence of the supramolecular order on the electrical properties of 1D coordination polymers based materials

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Publication details

The article was received on 05 Nov 2015, accepted on 30 Dec 2015 and first published on 31 Dec 2015


Article type: Paper
DOI: 10.1039/C5NR07776A
Citation: Nanoscale, 2016,8, 2386-2394
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    Influence of the supramolecular order on the electrical properties of 1D coordination polymers based materials

    C. Musumeci, S. Osella, L. Ferlauto, D. Niedzialek, L. Grisanti, S. Bonacchi, A. Jouaiti, S. Milita, A. Ciesielski, D. Beljonne, M. W. Hosseini and P. Samorì, Nanoscale, 2016, 8, 2386
    DOI: 10.1039/C5NR07776A

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