Direct probing of heterogeneity for adsorption and diffusion within a SAPO-34 crystal-Reference-Cited by-同舟云学术

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

Published:2019 Issue:72 Volume:55 Page:10693-10696
ISSN:1359-7345
Container-title:Chemical Communications
language:en
Short-container-title:Chem. Commun.

Author:

Gao Shushu¹²³⁴⁵,Xu Shutao¹²³⁴⁵^ORCID,Wei Yingxu¹²³⁴⁵,Liu Zhiqiang⁶⁷⁵⁸⁹,Zheng Anmin⁶⁷⁵⁸⁹^ORCID,Wu Pengfei¹²³⁴⁵,Liu Zhongmin¹²³⁴⁵^ORCID

Affiliation:

1. National Engineering Laboratory for Methanol to Olefins

2. Dalian National Laboratory for Clean Energy

3. iChEM (Collaborative Innovation Center of Chemistry for Energy Materials)

4. Dalian Institute of Chemical Physics

5. Chinese Academy of Sciences

6. State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics

7. National Center for Magnetic Resonance in Wuhan, Wuhan Institute of Physics and Mathematics

8. Wuhan 430071

9. P. R. China

Abstract

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

Funder

Youth Innovation Promotion Association of the Chinese Academy of Sciences

National Natural Science Foundation of China

Chinese Academy of Sciences

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,Metals and Alloys,Surfaces, Coatings and Films,General Chemistry,Ceramics and Composites,Electronic, Optical and Magnetic Materials,Catalysis

Link

http://pubs.rsc.org/en/content/articlepdf/2019/CC/C9CC05322K

Reference26 articles.

1. Chemical Imaging of Spatial Heterogeneities in Catalytic Solids at Different Length and Time Scales

2. Heterogeneities of individual catalyst particles in space and time as monitored by spectroscopy

3. Space- and Time-Resolved In-situ Spectroscopy on the Coke Formation in Molecular Sieves: Methanol-to-Olefin Conversion over H-ZSM-5 and H-SAPO-34

4. Morphology-dependent zeolite intergrowth structures leading to distinct internal and outer-surface molecular diffusion barriers

5. X-ray Imaging of Zeolite Particles at the Nanoscale: Influence of Steaming on the State of Aluminum and the Methanol-To-Olefin Reaction

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