Recent trends on the implementation of reticular materials in column-centered separations

Area of Science:

• Analytical Chemistry
• Materials Science

Background:

• Traditional stationary phases for chromatography rely on silica and polymers.
• Porous crystalline materials like metal-organic frameworks (MOFs) and covalent organic frameworks (COFs) offer unique separation properties.
• Challenges exist in utilizing MOFs and COFs due to small crystal size and irregular shapes.

Purpose of the Study:

• To review strategies for incorporating porous crystalline materials into stationary phases for liquid-phase separations.
• To discuss future directions for developing and integrating these materials in analytical applications.
• To identify key challenges hindering the full utilization of MOFs and COFs as stationary phases.

Main Methods:

• Literature review of recent strategies for preparing and utilizing porous crystalline materials in chromatography.
• Analysis of methods for integrating MOFs and COFs into suitable supports for analytical columns.
• Discussion of existing challenges and future research avenues.

Main Results:

• Various strategies exist for overcoming the limitations of small crystal sizes and nonspherical shapes of MOFs and COFs.
• Successful integration of these materials into analytical separation systems is demonstrated.
• Potential for enhanced chromatographic performance using these novel materials is highlighted.

Conclusions:

• Porous crystalline materials represent a promising frontier for advanced stationary phases in chromatography.
• Further research is needed to optimize material synthesis, support integration, and address current challenges for widespread analytical adoption.