Measuring the surface diffusivity of argon in nanoporous carbon
Author:
Affiliation:
1. Department of Material Science and Engineering
2. Rensselaer Polytechnic Institute
3. Troy
4. USA
5. Department of Physics
Abstract
Gas diffusion in porous media consists of surface hopping and non-surface ballistic/bulk diffusion. Unfortunately, only the overall diffusivity is usually measured, without being separated into various diffusion modes. Here we used the “gravitation method” for measuring transport diffusivity, and utilized a detailed trajectory analysis to calculate the surface diffusivity and non-surface diffusivity.
Publisher
Royal Society of Chemistry (RSC)
Subject
Physical and Theoretical Chemistry,General Physics and Astronomy
Link
http://pubs.rsc.org/en/content/articlepdf/2017/CP/C6CP07819B
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