University of Cambridge Research Highlights Surface Science Group Home Department of Chemistry University of Cambridge

Pentagonal tiles pave the way towards organic electronics

New research paves the way for the nanoscale self-assembly of organic building blocks, a promising new route towards the next generation of ultrasmall electronic devices.

Ring-like molecules with unusual five-fold symmetry bind strongly to a copper surface, due to a substantial transfer of charge, but experience remarkably little difficulty in sideways diffusion, and exhibit surprisingly little interaction between neighbouring molecules. This unprecedented combination of features is ideal for the spontaneous creation of high-density stable thin films, comprising a pavement of these organic pentagonal tiles, with potential applications in computing, solar power and novel display technologies.

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A cyclopentadienyl molecule on Cu{111}.

Related publications

"Weak intermolecular interactions in an ionically bound molecular adsorbate: cyclopentadienyl/Cu(111)"
H. Hedgeland, B.A.J. Lechner, F.E. Tuddenham, A.P. Jardine, W. Allison, J. Ellis, M. Sacchi, S.J. Jenkins and B.J. Hinch
Phys. Rev. Lett. 106 (2011) 186101

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