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Models of adsorption-induced deformation: ordered materials and beyond
A L Kolesnikov1, Yu A Budkov2,3, G Y Gor4
1Institut für Nichtklassische Chemie e.V., Permoserstr. 15, 04318 Leipzig, Germany.
Summary
Adsorption-induced deformation, a change in material dimensions due to surface adsorption, is crucial for porous materials characterization. Recent theoretical models offer more detailed descriptions for micro and mesoporous bodies.
Area of Science:
- Materials Science
- Physical Chemistry
Background:
- Adsorption-induced deformation is a universal phenomenon sensitive to adsorbent properties.
- This phenomenon is vital for engineering applications, particularly in porous materials characterization.
- Accurate theoretical frameworks are essential for deformation-based characterization methods.
Purpose of the Study:
- To review recent theoretical advancements in describing adsorption-induced deformation.
- To cover models for both ordered and disordered micro and mesoporous materials.
- To highlight the development of qualitative and quantitative models for detailed material description.
Main Methods:
- Review of existing literature on theoretical models for adsorption-induced deformation.
- Analysis of models accounting for complex pore geometries (non-convex, corrugated).
- Examination of models for realistic 3D solid structures and extended geometries.
Main Results:
- Recent theoretical works provide more detailed descriptions of solid materials.
- Models are being extended to account for complex pore structures and realistic geometries.
- The review covers advancements in understanding deformation in micro and mesoporous materials.
Conclusions:
- Theoretical descriptions of adsorption-induced deformation are rapidly evolving.
- Advanced models are crucial for accurate porous materials characterization.
- This review synthesizes current theoretical approaches for micro and mesoporous systems.
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