[Research progress on the application of derived porous carbon materials in solid-phase microextraction]

Area of Science:

• Analytical Chemistry
• Materials Science
• Separation Science

Background:

• Sample pretreatment is crucial for analyzing low-concentration analytes in complex matrices.
• Adsorption-based techniques, especially solid-phase microextraction (SPME), offer efficient, solvent-free alternatives to traditional methods.
• Porous carbon materials, including derived porous carbons, are promising coating materials for SPME due to their unique properties.

Purpose of the Study:

• To review recent advancements (past three years) in derived porous carbon materials for SPME.
• To identify challenges and limitations in their current applications.
• To propose future research directions for optimizing these materials in analytical chemistry.

Main Methods:

• Literature review focusing on derived porous carbon materials used in SPME over the last three years.
• Analysis of material properties, preparation methods, and extraction efficiencies.
• Identification of research gaps and future prospects.

Main Results:

• Derived porous carbon materials, especially from covalent organic frameworks, show significant potential as SPME coatings.
• Current applications are limited by a lack of mechanistic understanding and specificity for certain analytes.
• Hierarchical porous carbon materials offer potential for broad-spectrum analyte extraction.

Conclusions:

• Further development of covalent organic framework-derived porous carbons for SPME is needed.
• Clarifying the extraction mechanism is essential for material design.
• Developing broad-spectrum, high-sensitivity porous carbon coatings is a key future direction.