Issue 44, 2020, Issue in Progress

Amorphous mesostructured zirconia with high (hydro)thermal stability

Abstract

Here, combining the evaporation-induced self-assembly (EISA) method and the liquid crystal templating pathway, mesostructured amorphous zirconium oxides have been prepared by a soft templating method without addition of any heteroelement to stabilize the mesopore framework. The recovered materials have been characterized by SAXS measurements, nitrogen adsorption–desorption analysis and X-ray diffraction (XRD). The obtained mesostructured zirconia exhibits a high thermal stability. An in situ XRD study performed as a function of temperature shows that the amorphous ZrO2, obtained after removal of the pore templating agent (pluronic P123), begins to crystallize in air from 420 °C. Amorphous mesostructured ZrO2 also presents a high hydrothermal stability; these materials are not degraded after 72 hours in boiling water.

Graphical abstract: Amorphous mesostructured zirconia with high (hydro)thermal stability

Supplementary files

Article information

Article type
Paper
Submitted
01 Jun 2020
Accepted
07 Jul 2020
First published
13 Jul 2020
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2020,10, 26165-26176

Amorphous mesostructured zirconia with high (hydro)thermal stability

B. Lebeau, I. Naboulsi, L. Michelin, C. Marichal, S. Rigolet, C. Carteret, S. Brunet, M. Bonne and J. Blin, RSC Adv., 2020, 10, 26165 DOI: 10.1039/D0RA04824K

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