Issue 72, 2019
From the journal:

Chemical Communications

Direct probing of heterogeneity for adsorption and diffusion within a SAPO-34 crystal†

Shushu Gao,ab   Shutao Xu, ORCID logo *a   Yingxu Wei,*a   Zhiqiang Liu,c   Anmin Zheng, ORCID logo cd   Pengfei Wua  and  Zhongmin Liu ORCID logo *ae  

* Corresponding authors

a National Engineering Laboratory for Methanol to Olefins, Dalian National Laboratory for Clean Energy, iChEM (Collaborative Innovation Center of Chemistry for Energy Materials), Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China
E-mail: xushutao@dicp.ac.cn, weiyx@dicp.ac.cn, liuzm@dicp.ac.cn

b University of Chinese Academy of Sciences, Beijing 100049, P. R. China

c State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan 430071, P. R. China

d School of Materials Science and Engineering, Zhengzhou University, Zhengzhou 450001, P. R. China

e State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, P. R. China

Abstract

The inhomogeneous phenomenon with a gradient distribution in adsorption and diffusion behaviors of xenon within a large SAPO-34 crystal was revealed by 129Xe NMR, 2D EXSY NMR and 129Xe PFG NMR techniques at the micro-scale. A multi-layer adsorption and diffusion model for xenon in a single crystal was proposed.

Graphical abstract: Direct probing of heterogeneity for adsorption and diffusion within a SAPO-34 crystal

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Article information

DOI
https://doi.org/10.1039/C9CC05322K
Article type
Communication
Submitted
11 Jul 2019
Accepted
06 Aug 2019
First published
07 Aug 2019

Chem. Commun., 2019,55, 10693-10696

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Direct probing of heterogeneity for adsorption and diffusion within a SAPO-34 crystal

S. Gao, S. Xu, Y. Wei, Z. Liu, A. Zheng, P. Wu and Z. Liu, Chem. Commun., 2019, 55, 10693 DOI: 10.1039/C9CC05322K

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