Ion transport and structural dynamics in homologous ammonium and phosphonium-based room temperature ionic liquids

[1 ]Department of Materials Science and Engineering, University of Pennsylvania, Philadelphia, Pennsylvania 19104, USA

[2 ]Department of Physics and Astronomy, University of Tennessee, Knoxville, Tennessee 37996, USA

[3 ]Department of Materials Science, National Institute of Technology, Wakayama College, 77 Noshima, Nada-cho, Gobo, Wakayama 644-0023, Japan

[4 ]Department of Chemical and Biomolecular Engineering, University of Tennessee, Knoxville, Tennessee 37996, USA

[5 ]Institute of Experimental Physics I, University of Leipzig, Linnestr. 5, 04103 Leipzig, Germany

[6 ]Department of Chemistry, University of Tennessee, Knoxville, Tennessee 37996, USA

[7 ]Chemical Sciences Division, Oak Ridge National Lab, Oak Ridge, Tennessee 37830, USA