Structure of Extremely Nanosized and Confined In-O Species in Ordered Porous Materials
J. M. Ramallo Lopez (1), M. Renteria (1, 2), E. E. Miro (3), F. G. Requejo (1, 4), A. Traverse (2) ((1)Departamento de Fisica, FCE, Universidad Nacional de La Plata, La Plata, Argentina, (2) Laboratoire pour l'Utilisation du Rayonnement Electromagnetique (LURE)
TL;DR
This study combines advanced spectroscopic techniques to reveal the nanoscale structure of indium oxide species confined within ZSM5 zeolite pores, providing insights into their local environment and distribution.
Contribution
It introduces a novel integrated spectroscopic approach to determine the structure and distribution of nanosized In-O species in porous materials.
Findings
Nanosized In-O species are confined within 10-atom-ring channels of ZSM5.
Quantified the amount of In2O3 crystallites on the external surface.
Elucidated the local structure of dispersed InOx species.
Abstract
Perturbed-angular correlation, x-ray absorption, and small-angle x-ray scattering spectroscopies were suitably combined to elucidate the local structure of highly diluted and dispersed InOx species confined in porous of ZSM5 zeolite. These novel approach allow us to determined the structure of extremely nanosized In-O species exchanged inside the 10-atom-ring channel of the zeolite, and to quantify the amount of In2O3 crystallites deposited onto the external zeolite surface.
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