title: Long-Range Energy Transport via Plasmonic Propagation in a Supramolecular Organic Waveguide.
abstract: Energy transport in organic materials is dependent on the coherent migration of optically induced excited states. For instance, in active organic waveguides, the tight packing of dye molecules allows delocalization of excitons over a distance generally limited to at most several hundred nanometers. Here, we demonstrate an alternative mechanism of energy transport in a triarylamine-based supramolecular organic waveguide that is plasmonic in nature and results in coherent energy propagation superior to 10 μm. The optical, electric, and magnetic properties of the doped material support the presence of metallic electrons that couple with and transport incident light. These results show that organic metals constitute a novel class of materials with efficient energy transport and are of potential interest for optoelectronics, plasmonics, and artificial light-energy harvesting systems.
authors.affiliation: SAMS Research Group, University of Strasbourg, Institut Charles Sadron, CNRS , 23 rue du Loess, BP 84047, 67034 Strasbourg Cedex 2, France.
authors.forename: Joseph J
authors.initials: JJ
authors.lastname: Armao
authors.affiliation: Institut de Physique et Chimie des Matériaux de Strasbourg, University of Strasbourg, CNRS , 23 rue du Loess, BP 43, 67034 Strasbourg Cedex 2, France.
authors.forename: Pierre
authors.initials: P
authors.lastname: Rabu
authors.affiliation: SAMS Research Group, University of Strasbourg, Institut Charles Sadron, CNRS , 23 rue du Loess, BP 84047, 67034 Strasbourg Cedex 2, France.
authors.forename: Emilie
authors.initials: E
authors.lastname: Moulin
authors.affiliation: SAMS Research Group, University of Strasbourg, Institut Charles Sadron, CNRS , 23 rue du Loess, BP 84047, 67034 Strasbourg Cedex 2, France.
authors.forename: Nicolas
authors.initials: N
authors.lastname: Giuseppone
keywords: Supramolecular chemistry; energy transport; nanophotonics; organic metals; plasmonic waveguides; triarylamines