Phosphorus promotion and poisoning in zeolite-based materials: synthesis, characterisation and catalysis

HE van der Bij, BM Weckhuysen - Chemical Society Reviews, 2015 - pubs.rsc.org
Phosphorus and microporous aluminosilicates, better known as zeolites, have a unique but
poorly understood relationship. For example, phosphatation of the industrially important …

Recent developments in solid-state NMR spectroscopy of crystalline microporous materials

SE Ashbrook, DM Dawson, VR Seymour - … Chemistry Chemical Physics, 2014 - pubs.rsc.org
Microporous materials, having pores and channels on the same size scale as small to
medium molecules, have found many important applications in current technologies …

Revealing the Bro̷nsted Acidic Nature of Penta-Coordinated Aluminum Species in Dealuminated Zeolite Y with Solid-State NMR Spectroscopy

M Zheng, Q Wang, Y Chu, X Tan… - Journal of the …, 2024 - ACS Publications
The inevitable dealumination process of zeolite Y is closely related to ultrastabilization,
enhanced Bro̷nsted acidity, and deactivation throughout its life cycle, producing complex …

Update on 27Al NMR studies of aluminosilicate glasses

M Eden - Annual reports on NMR spectroscopy, 2020 - Elsevier
Aluminosilicate glasses and melts are of great geological and technological importance.
Significant efforts have been spent for enhancing the insight into their structures. Here magic …

New insights into the molecular structures, compositions, and cation distributions in synthetic and natural montmorillonite clays

S Cadars, R Guégan, MN Garaga, X Bourrat… - Chemistry of …, 2012 - ACS Publications
We present a detailed investigation of the molecular structure of montmorillonite, an
aluminosilicate clay with important applications in materials sciences, such as for catalysis …

High-Resolution NMR of S = 3/2 Quadrupole Nuclei by Detection of Double-Quantum Satellite Transitions via Protons

I Hung, Z Gan - The Journal of Physical Chemistry Letters, 2020 - ACS Publications
Indirect NMR detection via protons under fast magic-angle spinning can help overcome the
low sensitivity and resolution of low-γ quadrupole nuclei such as 35Cl. A robust and efficient …

Probing the homogeneous distribution of sodium atoms in silicate glasses

J Lee, SK Lee - Acta Materialia, 2022 - Elsevier
Sodium, silicon, and oxygen—the major constituents of magmatic silicate melts in the Earth's
crust and mantle—are also common ingredients in commercial flexible and scratch-proof …

Accelerating the acquisition of high-resolution quadrupolar MQ/ST-HETCOR 2D spectra under fast MAS via 1H detection and through-space population transfers

A Sasaki, J Trébosc, JP Amoureux - Journal of Magnetic Resonance, 2021 - Elsevier
Recently, we established an experimental setup protocol to perform the population transfer
from half-integer quadrupolar spin to 1 H nuclei under fast MAS in the context of MQ …

Structure and NMR assignment in calcined and as-synthesized forms of AlPO-14: a combined study by first-principles calculations and high-resolution 27 Al–31 P …

SE Ashbrook, M Cutajar, CJ Pickard… - Physical Chemistry …, 2008 - pubs.rsc.org
The high-resolution 27Al and 31P NMR spectra of two as-synthesized forms of the
microporous aluminophosphate AlPO-14 and the corresponding calcined–dehydrated form …

HMQC and refocused-INEPT experiments involving half-integer quadrupolar nuclei in solids

JP Amoureux, J Trebosc, J Wiench, M Pruski - Journal of magnetic …, 2007 - Elsevier
Hetero-nuclear coherence transfers in HMQC and refocused-INEPT experiments involving
half-integer quadrupolar nuclei in solids are analyzed. 1D and 2D schemes are considered …