DataVXChemistry of MaterialsPaper
journal article·2016-12-27

In Situ Time-Resolved Observation of the Development of Intracrystalline Mesoporosity in USY Zeolite

Noemi Linares, Alexander Sachse, Elena Serrano, Aida Grau-Atienza, Erika De Oliveira Jardim, Joaquín Silvestre-Albero, Marco Aurelio Liutheviciene Cordeiro, François Fauth, Garikoitz Beobide, Oscar Castillo, Javier García-Martínez

Chemistry of Materials· Volume 28· Issue 24
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Source abstract

Abstract

The development of intracrystalline mesoporosity within zeolites has been a long-standing goal in catalysis as it greatly contributes to alleviating the diffusion limitations of these widely used microporous materials. The combination of in situ synchrotron X-ray diffraction and liquid-cell transmission electron microscopy enabled the first in situ observation of the development of intracrystalline mesoporosity in zeolites and provided structural and kinetic information on the changes produced in zeolites to accommodate the mesoporosity. The interpretation of the time-resolved diffractograms together with computational simulations evidenced the formation of short-range hexagonally ordered mesoporosity within the zeolite framework, and the in situ electron microscopy studies allowed the direct observation of structural changes in the zeolite during the process. The evidence for the templating and protective role of the surfactant and the rearrangement of the zeolite crystal to accommodate intracrystalline mesoporosity opens new and exciting opportunities for the production of tailored hierarchical zeolites.
Source: openalex_inverted_index · Quality: baseline

Research context

Catalysis & surfaces

OpenAlex topics: Zeolite Catalysis and Synthesis · Mesoporous Materials and Catalysis · Catalytic Processes in Materials Science

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Laboratorio de Nanotecnología Molecular, Departamento de Química Inorgánica, Universidad de Alicante, Ctra. San Vicente-Alicante s/n, E-03690 San Vicente del Raspeig, Spain

Laboratorio de Materiales Avanzados, Departamento de Química Inorgánica-Instituto Universitario de Materiales, Universidad de Alicante, Ctra. San Vicente-Alicante s/n, E-03690 San Vicente del Raspeig, Spain

Center for Functional Nanomaterials, Brookhaven National Laboratory, Upton, New York 11973, United States

ALBA Light Source, 08290 Cerdanyola del Vallés, Barcelona, Spain

Departamento de Química Inorgánica, Facultad de Ciencia y Tecnología, Universidad del País Vasco UPV/EHU, Apartado 644, E-48080 Bilbao, Spain

Rive Technology, Inc., 1 Deer Park Drive, Monmouth Junction, New Jersey 08852, United States

Funding

Ministerio de Economía y Competitividad · Seventh Framework Programme

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