Monitoring molecular mass transfer in cation-free nanoporous host crystals of type AlPO-LTA

Florian Hibbe; Jürgen Caro; Christian Chmelik; Aisheng Huang; Tom Kirchner; Douglas Ruthven; Rustem Valiullin; Jörg Kärger

doi:10.1021/ja211492b

Monitoring molecular mass transfer in cation-free nanoporous host crystals of type AlPO-LTA

Florian Hibbe
, Jürgen Caro
, Christian Chmelik
, Aisheng Huang
, Tom Kirchner
, Douglas Ruthven
, Rustem Valiullin
, Jörg Kärger^*

^*此作品的通讯作者

Leipzig University
Leibniz University Hannover
University of Maine

科研成果: 期刊稿件 › 文章 › 同行评审

50 引用（Scopus）

摘要

Micro-imaging is employed to monitor the evolution of intra-crystalline guest profiles during molecular adsorption and desorption in cation-free zeolites AlPO-LTA. The measurements are shown to provide direct evidence on the rate of intra-crystalline diffusion and surface permeation and their inter-relation. Complemented by PFG NMR and integral IR measurements, a comprehensive overview of the diffusivities of light hydrocarbons in this important type of host materials is provided.

源语言	英语
页（从-至）	7725-7732
页数	8
期刊	Journal of the American Chemical Society
卷	134
期	18
DOI	https://doi.org/10.1021/ja211492b
出版状态	已出版 - 9 5月 2012
已对外发布	是

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abstract = "Micro-imaging is employed to monitor the evolution of intra-crystalline guest profiles during molecular adsorption and desorption in cation-free zeolites AlPO-LTA. The measurements are shown to provide direct evidence on the rate of intra-crystalline diffusion and surface permeation and their inter-relation. Complemented by PFG NMR and integral IR measurements, a comprehensive overview of the diffusivities of light hydrocarbons in this important type of host materials is provided.",

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AU - Hibbe, Florian

AU - Caro, Jürgen

AU - Chmelik, Christian

AU - Huang, Aisheng

AU - Kirchner, Tom

AU - Ruthven, Douglas

AU - Valiullin, Rustem

AU - Kärger, Jörg

PY - 2012/5/9

Y1 - 2012/5/9

N2 - Micro-imaging is employed to monitor the evolution of intra-crystalline guest profiles during molecular adsorption and desorption in cation-free zeolites AlPO-LTA. The measurements are shown to provide direct evidence on the rate of intra-crystalline diffusion and surface permeation and their inter-relation. Complemented by PFG NMR and integral IR measurements, a comprehensive overview of the diffusivities of light hydrocarbons in this important type of host materials is provided.

AB - Micro-imaging is employed to monitor the evolution of intra-crystalline guest profiles during molecular adsorption and desorption in cation-free zeolites AlPO-LTA. The measurements are shown to provide direct evidence on the rate of intra-crystalline diffusion and surface permeation and their inter-relation. Complemented by PFG NMR and integral IR measurements, a comprehensive overview of the diffusivities of light hydrocarbons in this important type of host materials is provided.

UR - https://www.scopus.com/pages/publications/84860877686

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DO - 10.1021/ja211492b

M3 - 文章

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ER -

Monitoring molecular mass transfer in cation-free nanoporous host crystals of type AlPO-LTA

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