title: A liquid derivative of 12-tungstophosphoric acid with unusually high conductivity.
abstract: Surface functionalization of the solid heteropolyacid H3PW12O40 with a bulky PEG-containing quaternary ammonium cation through partial proton exchange leads to a polyoxometalate-based liquid salt with high-temperature proton conductivity ( approximately 10-3 S cm-1 at 140 degrees C) under dry conditions. The proton conductivity of the liquid salt is 4 orders of magnitude higher than that of the solid analogue under identical conditions and shows super ionic behavior as defined by Walden plot.
authors.affiliation: Department of Materials Science and Engineering, School of Chemical and Biomolecular Engineering, Cornell University, Ithaca, NY 14853, USA.
authors.forename: Athanasios B
authors.initials: AB
authors.lastname: Bourlinos
authors.forename: Kannan
authors.initials: K
authors.lastname: Raman
authors.forename: Rafael
authors.initials: R
authors.lastname: Herrera
authors.forename: Qiang
authors.initials: Q
authors.lastname: Zhang
authors.forename: Lynden A
authors.initials: LA
authors.lastname: Archer
authors.forename: Emmanuel P
authors.initials: EP
authors.lastname: Giannelis