Electron mobility in supercritical pentanes as a function of density and temperature |
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| Affiliation: | 1. Cooperative Institute for Great Lakes Research, School for Environment and Sustainability, University of Michigan;2. Michigan Sea Grant, School for Environment and Sustainability, University of Michigan;1. Department of Engineering for Innovation, University of Salento, Via per Monteroni, 73100 Lecce, Italy;2. Dhitech Scarl – Distretto Tecnologico High Tech, Via per Monteroni, 73100 Lecce, Italy |
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| Abstract: | The excess electron mobility in supercritical n-, iso- and neopentane was measured isothermally as a function of density. The density-normalized mobility μN in all three isomers goes through a minimum at a density below the respective critical densities, and the mobility is quite temperature-dependent in this region, then goes through a minimum. The μN behavior around the minimum in n-pentane is well accounted for by the Cohen-Lekner model with the structure factor S(K) estimated from the speed of sound, while that in iso- and neopentane is not. |
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