Pickering emulsions: Versatility of colloidal particles and recent applications

Area of Science:

• Materials Science
• Colloid and Surface Chemistry

Background:

• Pickering emulsions, stabilized by colloidal particles, offer unique properties for material fabrication.
• Recent research has focused on various particle types, including inorganic, polymer-based, and food-grade options.

Purpose of the Study:

• To review recent evolution and breakthroughs in colloidal particle-stabilized Pickering emulsions.
• To summarize applications of these emulsions and their derived functional materials.
• To identify research gaps and suggest future directions.

Main Methods:

• Literature review of recent advancements in Pickering emulsion research.
• Categorization of particulate stabilizers (inorganic, polymer, food-grade).
• Summary of applications including interfacial catalysis, porous material templating, and adjuvant formulations.

Main Results:

• Significant progress has been made in utilizing diverse colloidal particles for Pickering emulsion stabilization.
• Applications demonstrated include enzyme immobilization, templating for porous materials, and use in adjuvant formulations.
• Key research areas and future directions for particulate stabilizers and emulsion preparation are highlighted.

Conclusions:

• Colloidal particle-stabilized Pickering emulsions are versatile platforms for advanced material synthesis.
• Further research is needed to optimize particulate stabilizers and preparation methods for broader applications.
• The field shows promise for developing novel functional materials and formulations.