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Molecular rectification with M|(D-σ-A LB film)|M junctions

Alan C. Brady, Benjamin Hodder, A. Scott Martin, J. Roy Sambles, Christopher P. Ewels, Robert Jones, Patrick R. Briddon, Abdalla M. Musa, Charles A. Panetta, Daniell L. Mattern
1999 Journal of Materials Chemistry  
Molecular materials of the form electron donor-sigma-bridge-electron acceptor (D-s-A) have been synthesized and incorporated into non-centrosymmetric Langmuir-Blodgett (LB) multilayer structures. Electrical characterization has been performed using a metal|(Z-type LB film)|metal (M|LB|M ) junction construction. Current density-voltage data demonstrate striking rectification behaviour. Computational modelling of the electronic structure of the material has been carried out using a first
more » ... ng a first principles, density functional approach. Possible conduction mechanisms are discussed with reference to the results of this modelling. It is reasonable to suppose that the construction of a
doi:10.1039/a902107h fatcat:qfjjaurxcfg5pkfwfbbngesgom