Incommensurate Diffusion in Confined Systems

D. Dubbeldam, Sofia Calero, T. L.M. Maesen, B. Smit

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

3 Citaten (Scopus)

Samenvatting

Molecular simulations corroborate the existence of the disputed window effect, i.e., an increase in diffusion rate by orders of magnitude when the alkane chain length increases so that the shape of the alkane is no longer commensurate with that of a zeolite cage. This window effect is shown to be characteristic for molecular sieves with pore openings that approach the diameter of the adsorbate. Furthermore, the physical compatibility between the adsorbate and the adsorbent has a direct effect on the heat of adsorption, the Henry coefficients, the activation energy, and the frequency factors.

Originele taal-2Engels
Aantal pagina's1
TijdschriftPhysical Review Letters
Volume90
Nummer van het tijdschrift24
DOI's
StatusGepubliceerd - 2003
Extern gepubliceerdJa

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