${session.getAttribute("locale")} 5 Proton dynamics in phosphotungstic acid impregnated mesoporous silica proton exchange membrane materials 100 °C. In this work quasielastic neutron scattering was used to study proton self-diffusion in mesoporous disordered and P6mm symmetry silica impregnated with two concentrations of phosphotungstic acid. Overall, the silica structure had a significantly greater effect on proton conduction and diffusion than phosphotungstic acid concentration, with higher proton conduction occurring for the P6mm symmetry silica samples. Quasielastic neutron scattering revealed two populations of protons diffusing through each sample, and that proton conduction is limited by the slower of these populations, which diffuse via a jump-diffusion mechanism. Whilst the fundamental jump-diffusion mechanism by which these slower protons moved was found to be similar for both silica supports and phosphotungstic acid concentrations, the faster diffusion occurring in P6mm structured silica arises from a lower residence time of protons moving between sites in the jump-diffusion model, suggesting a lower energy barrier.]]> Wed 30 May 2018 10:47:53 AEST ]]> Evidence of double layer/capacitive charging in carbon nanomaterial-based solid contact polymeric ion-selective electrodes Wed 26 Apr 2017 13:57:23 AEST ]]> Flow Dependence of Carbon Dioxide Corrosion Using Short Electrodes by Jet Impingement Wed 25 Nov 2015 14:57:18 AEST ]]> The role of biosensors in the detection of emerging infectious diseases Wed 19 Nov 2014 10:05:09 AEST ]]> Coulometric Sodium Chloride Removal System with Nafion Membrane for Seawater Sample Treatment Wed 19 Aug 2015 22:14:43 AEST ]]> Electron Hopping Between Fe 3 d States in Ethynylferrocene-doped Poly(Methyl 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