Multifunctional, Hybrid Materials Design via Spray-Drying: Much more than Just Drying

Area of Science:

• Materials Science
• Chemical Engineering

Background:

• Spray-drying is widely recognized as an industrial drying technology.
• Its potential as a materials design tool for chemists is often overlooked.

Purpose of the Study:

• To highlight spray-drying as a versatile method for designing multifunctional and hybrid materials.
• To explore various material formation strategies enabled by spray-drying.
• To discuss the advantages and challenges of using spray-drying for materials design.

Main Methods:

• Utilizing the confined droplet environment during spray-drying for material synthesis and assembly.
• Employing post-treatment methods to further enhance material complexity.
• Reviewing established and novel applications of spray-dried materials.

Main Results:

• Spray-drying facilitates nanoparticle assembly, precipitation reactions, and chemical synthesis within droplets.
• It enables the creation of templated materials and the processing of fragile components.
• Post-treatment expands the capabilities for designing complex particulate materials.

Conclusions:

• Spray-drying is a powerful platform for creating advanced materials with tailored properties.
• These materials offer unique property combinations promising for catalysis, diagnostics, purification, storage, and information applications.
• The technique presents both opportunities and challenges that warrant further investigation.