Advances in the green and controllable synthesis of MWW zeolite

Y Wang, Y Zhang, W Chu, Y Gao, S Xie, X Li… - Chemical …, 2024 - pubs.rsc.org
MWW zeolite is one of the commercialized zeolites that shows great promise in
heterogeneous catalysis and other interdisciplinary application fields due to its coexisting …

2-Isopropyl-1, 3-dimethylimidazolium as a versatile structure-directing agent in the synthesis of zeolites

H Yu, A Rojas, ZR Gao, L Gómez-Hortigüela… - Dalton …, 2023 - pubs.rsc.org
An organic cation lacking specificity in its structure-directing action offers the possibility,
through the screening of other structure-directing parameters, to synthesize a variety of …

Recent advances in the imidazolium-based ionic liquid-templated synthesis of microporous zeolites

X Li, OJ Curnow, J Choi, ACK Yip - Materials Today Chemistry, 2022 - Elsevier
Zeolites are one of the most important materials in the family of solid catalysts. Research on
zeolite synthesis via designing new structure-directing agents (SDAs) is gaining continuous …

Synthesis of 3D large-pore germanosilicate zeolites using imidazolium-based long dications

P Lu, A Mayoral, L Gomez-Hortiguela… - Chemistry of …, 2019 - ACS Publications
Introduction of small molar fractions of Ge in a synthesis system otherwise yielding the
monodimensional large-pore zeolite MTW produced three 3D large-pore materials as the …

HPM‐14: A New Germanosilicate Zeolite with Interconnected Extra‐Large Pores Plus Odd‐Membered and Small Pores

ZR Gao, J Li, C Lin, A Mayoral, J Sun… - Angewandte Chemie …, 2021 - Wiley Online Library
HPM‐14 is a new extra‐large pore zeolite synthesized using imidazolium‐based organic
structure‐directing agents (SDAs), fluoride anions, and germanium and silicon as …

Crystalline phase transition in as-synthesized pure silica zeolite RTH containing tetra-alkyl phosphonium as organic structure directing agent

J Martinez-Ortigosa, R Millán, J Simancas… - Journal of Materials …, 2024 - pubs.rsc.org
The choice of structure directing agents (SDAs) in zeolite synthesis significantly impacts the
arrangement of active sites, thereby influencing the stabilization of reaction intermediates …

Fluoride anions in all-silica zeolites: Studying preferred fluoride sites and dynamic disorder with density functional theory calculations

M Fischer - The Journal of Physical Chemistry C, 2021 - ACS Publications
In all-silica zeolites synthesized via the “fluoride route”, the fluoride anions are typically
incorporated in small cages, forming [SiO4F]− trigonal bipyramids. While diffraction and …

Realizing the Direct Synthesis of High Silica IWS Zeolite with Improved Hydrothermal Stability

W Fu, W Hu, C Hu, Y Wang, J Ai, Z Wang… - Inorganic …, 2024 - ACS Publications
Direct synthesis of germanosilicate zeolites with low Ge content and improved hydrothermal
stability is a great challenge. Herein, we successfully achieve the direct synthesis of IWS …

Influence of organic structure-directing agents on fluoride dynamics in as-synthesized silicalite-1

M Fischer - The Journal of Physical Chemistry C, 2020 - ACS Publications
Silicalite-1, an all-silica zeolite having the MFI topology, can be synthesized in the presence
of fluoride ions, which balance the charge of the cationic organic structure-directing agents …

[HTML][HTML] A chiral zeolite material with improved enantioselective catalytic properties prepared from readily accessible ephedrine alkaloids

R de la Serna, J Jurado-Sánchez… - Microporous and …, 2024 - Elsevier
Substituted-benzyl-containing N-methyl-ephedrinium derivatives (BMEP), prepared from the
highly-accessible (1R, 2S)-or (1S, 2R)-ephedrine alkaloids, have been found to act as …