Rates and energy of reactions of charged species in supercritical xenon

Holroyd, Richard A.; Nishikawa, Masaru; Itoh, Kengo

doi:10.1016/j.radphyschem.2005.04.007

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“…Because of its chemical inertness and its relatively high critical temperature and low critical pressure, xenon is a popular supercritical solvent for probing density effects on electron mobility in highly polarizable fluids (see, for example, [1][2][3][4][5][6]) and for investigating pulse radiolysis reaction kinetics (see, for example, [6][7][8]). While xenon critical effects on electron mobility have been explored [9,10], an investigation of these effects on the quasi-free electron energy in xenon has not been performed.…”

Section: Introductionmentioning

confidence: 99%

Energy of the quasi-free electron in xenon

Shi¹,

Li²,

Evans³

et al. 2006

Chemical Physics Letters

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Field ionization of trimethylamine and of N,N-dimethylaniline doped into xenon is presented as a function of xenon number density up to the density of the triple point liquid, both at noncritical temperatures and along the critical isotherm. These data exhibit a decrease in the xenon induced shift of the dopant ionization energy near the xenon critical point. The energy of the quasi-free electron, arising from dopant field ionization, in xenon is calculated within a local Wigner-Seitz model to within ±0.3% of experiment at noncritical temperatures and for the critical isotherm.

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