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Imaging spatiotemporal evolution of molecules and active sites in zeolite catalyst during methanol-to-olefins reaction

Direct visualization of spatiotemporal evolution of molecules and active sites during chemical transformation in individual catalyst crystal will accelerate the intuitive understanding of heterogeneous catalysis. So far, widespread imaging techniques can only provide limited information either with...

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Autores principales: Gao, Mingbin, Li, Hua, Liu, Wenjuan, Xu, Zhaochao, Peng, Shichao, Yang, Miao, Ye, Mao, Liu, Zhongmin
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7371645/
https://www.ncbi.nlm.nih.gov/pubmed/32686677
http://dx.doi.org/10.1038/s41467-020-17355-6
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author Gao, Mingbin
Li, Hua
Liu, Wenjuan
Xu, Zhaochao
Peng, Shichao
Yang, Miao
Ye, Mao
Liu, Zhongmin
author_facet Gao, Mingbin
Li, Hua
Liu, Wenjuan
Xu, Zhaochao
Peng, Shichao
Yang, Miao
Ye, Mao
Liu, Zhongmin
author_sort Gao, Mingbin
collection PubMed
description Direct visualization of spatiotemporal evolution of molecules and active sites during chemical transformation in individual catalyst crystal will accelerate the intuitive understanding of heterogeneous catalysis. So far, widespread imaging techniques can only provide limited information either with large probe molecules or in model catalyst of large size, which are beyond the interests of industrial catalysis. Herein, we demonstrate a feasible deep data approach via synergy of multiscale reaction-diffusion simulation and super-resolution structured illumination microscopy to  illustrate the dynamical evolution of spatiotemporal distributions of gas molecules, carbonaceous species and acid sites in SAPO-34 zeolite crystals of several micrometers that are typically used in industrial methanol-to-olefins process. The profound insights into the inadequate utilization of activated acid sites and rapid deactivation are unveiled. The notable elucidation of molecular reaction-diffusion process  at the scale of single catalyst crystal via this approach opens an interesting method for mechanism study in materials synthesis and catalysis.
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spelling pubmed-73716452020-07-22 Imaging spatiotemporal evolution of molecules and active sites in zeolite catalyst during methanol-to-olefins reaction Gao, Mingbin Li, Hua Liu, Wenjuan Xu, Zhaochao Peng, Shichao Yang, Miao Ye, Mao Liu, Zhongmin Nat Commun Article Direct visualization of spatiotemporal evolution of molecules and active sites during chemical transformation in individual catalyst crystal will accelerate the intuitive understanding of heterogeneous catalysis. So far, widespread imaging techniques can only provide limited information either with large probe molecules or in model catalyst of large size, which are beyond the interests of industrial catalysis. Herein, we demonstrate a feasible deep data approach via synergy of multiscale reaction-diffusion simulation and super-resolution structured illumination microscopy to  illustrate the dynamical evolution of spatiotemporal distributions of gas molecules, carbonaceous species and acid sites in SAPO-34 zeolite crystals of several micrometers that are typically used in industrial methanol-to-olefins process. The profound insights into the inadequate utilization of activated acid sites and rapid deactivation are unveiled. The notable elucidation of molecular reaction-diffusion process  at the scale of single catalyst crystal via this approach opens an interesting method for mechanism study in materials synthesis and catalysis. Nature Publishing Group UK 2020-07-20 /pmc/articles/PMC7371645/ /pubmed/32686677 http://dx.doi.org/10.1038/s41467-020-17355-6 Text en © The Author(s) 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Gao, Mingbin
Li, Hua
Liu, Wenjuan
Xu, Zhaochao
Peng, Shichao
Yang, Miao
Ye, Mao
Liu, Zhongmin
Imaging spatiotemporal evolution of molecules and active sites in zeolite catalyst during methanol-to-olefins reaction
title Imaging spatiotemporal evolution of molecules and active sites in zeolite catalyst during methanol-to-olefins reaction
title_full Imaging spatiotemporal evolution of molecules and active sites in zeolite catalyst during methanol-to-olefins reaction
title_fullStr Imaging spatiotemporal evolution of molecules and active sites in zeolite catalyst during methanol-to-olefins reaction
title_full_unstemmed Imaging spatiotemporal evolution of molecules and active sites in zeolite catalyst during methanol-to-olefins reaction
title_short Imaging spatiotemporal evolution of molecules and active sites in zeolite catalyst during methanol-to-olefins reaction
title_sort imaging spatiotemporal evolution of molecules and active sites in zeolite catalyst during methanol-to-olefins reaction
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7371645/
https://www.ncbi.nlm.nih.gov/pubmed/32686677
http://dx.doi.org/10.1038/s41467-020-17355-6
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