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Synthesis of Zeolites Using the ADOR Assembly-Disassembly-Organization-Reassembly Route
Published on: April 3, 2016
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Molecularly engineered zeolites with extra-large-pore architectures and functional opportunities
Haimei Xu1,2, Xinwei Guan1,3, Lu Lin2
1Centre for Atomaterials and Nanomanufacturing (CAN), School of Science, RMIT University, Melbourne, VIC 3000, Australia. tianyi.ma@rmit.edu.au.
Chemical Society Reviews
|March 2, 2026
Summary
Extra-large-pore (ELP) zeolites overcome diffusion limitations for bulky molecules in catalysis and separation. This review covers ELP zeolite synthesis, structure, applications, and future directions for advanced materials.
Area of Science:
- Materials Science
- Nanotechnology
- Catalysis
Background:
- Zeolites are microporous materials crucial for ion exchange, adsorption, separation, and catalysis.
- Conventional zeolites (8-12-membered-ring frameworks) exhibit diffusion and reactivity limitations for bulky molecules.
- Extra-large-pore (ELP) zeolites, with window sizes >12-membered rings, bridge microporous and mesoporous materials.
Purpose of the Study:
- To provide a comprehensive review of the rapidly expanding field of extra-large-pore (ELP) zeolites.
- To consolidate knowledge on ELP zeolite synthesis, structural characteristics, characterization, and applications.
- To highlight challenges and future perspectives in ELP zeolite development.
Main Methods:
- Review of existing literature on ELP zeolites, from early systems to recent frameworks.
- Delineation of structural characteristics (ring aperture, framework density, pore dimensionality).
- Summary of synthetic methodologies ('bottom-up', 'top-down', high-throughput screening, machine learning-guided design).
- Examination of functional potential in adsorption, separation, and catalysis across various ELP frameworks.
Main Results:
- ELP zeolites facilitate the diffusion of bulky molecules, enabling new applications.
- Overview of diverse ELP frameworks: germanosilicate, phosphate, high-silica, aluminosilicate, and heteroatom-containing.
- Discussion of advanced characterization techniques for precise structural elucidation.
- Identification of key challenges: high templating costs, germanium reliance, framework defects, and unsustainable synthesis.
Conclusions:
- ELP zeolites offer significant advantages over conventional zeolites for processing bulky molecules.
- Further development requires addressing synthesis costs, material sustainability, and structural integrity.
- Future research should focus on data-driven design and in situ characterization for next-generation ELP zeolites.
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