Analysis and control of acid sites in zeolites
The exceptional catalytic performance of zeolites is due to the presence of active sites in a
shape-selective environment, ie, in micropores with molecular dimensions. The present …
shape-selective environment, ie, in micropores with molecular dimensions. The present …
What is measured when measuring acidity in zeolites with probe molecules?
Based on theoretical calculations of CO, NH3, and pyridine adsorption at different sites in
MOR and MFI zeolites, we analyze how confinement effects influence the measurement of …
MOR and MFI zeolites, we analyze how confinement effects influence the measurement of …
The strength of Brønsted acid sites in microporous aluminosilicates
Ensemble-averaged deprotonation energies (DPE) derived from periodic density functional
theory models are insensitive to the location of isolated Al atoms and associated protons …
theory models are insensitive to the location of isolated Al atoms and associated protons …
The acidity of zeolites: concepts, measurements and relation to catalysis: a review on experimental and theoretical methods for the study of zeolite acidity
In this article, we considered all aspects of acidity (nature of acid sites, strength, density, etc.)
in solid catalysts and in zeolites in particular. After reminding the definition of acidity in liquid …
in solid catalysts and in zeolites in particular. After reminding the definition of acidity in liquid …
Acid strength and solvation in catalysis by MFI zeolites and effects of the identity, concentration and location of framework heteroatoms
The effects of heteroatom identity (Al 3+, Ga 3+, Fe 3+, or B 3+), concentration and location
on catalysis by MFI zeolites are examined and interpreted mechanistically using methanol …
on catalysis by MFI zeolites are examined and interpreted mechanistically using methanol …
Investigation of Brønsted acidity in zeolites through adsorbates with diverse proton affinities
M Trachta, O Bludský, J Vaculík, R Bulánek… - Scientific Reports, 2023 - nature.com
Understanding the adsorption behavior of base probes in aluminosilicates and its
relationship to the intrinsic acidity of Brønsted acid sites (BAS) is essential for the catalytic …
relationship to the intrinsic acidity of Brønsted acid sites (BAS) is essential for the catalytic …
What is being measured with P-bearing NMR probe molecules adsorbed on zeolites?
Elucidating the nature, strength, and siting of acid sites in zeolites is fundamental to fathom
their reactivity and catalytic behavior. Despite decades of research, this endeavor remains a …
their reactivity and catalytic behavior. Despite decades of research, this endeavor remains a …
Brønsted acidity in zeolites measured by deprotonation energy
Acid forms of zeolites have been used in industry for several decades but scaling the
strength of their acid centers is still an unresolved and intensely debated issue. In this paper …
strength of their acid centers is still an unresolved and intensely debated issue. In this paper …
Two-dimensional ultrathin silica films
Two-dimensional (2D) ultrathin silica films have the potential to reach technological
importance in electronics and catalysis. Several well-defined 2D-silica structures have been …
importance in electronics and catalysis. Several well-defined 2D-silica structures have been …
Supramolecular organization in confined nanospaces
G Tabacchi - ChemPhysChem, 2018 - Wiley Online Library
Empty spaces are abhorred by nature, which immediately rushes in to fill the void. Humans
have learnt pretty well how to make ordered empty nanocontainers, and to get useful …
have learnt pretty well how to make ordered empty nanocontainers, and to get useful …