Surface engineering and functionalization of powder-based materials by fluidized-bed atomic layer deposition for...

Area of Science:

• Materials Science
• Chemical Engineering
• Nanotechnology

Background:

• Growing demand for advanced materials with tunable properties.
• Need for innovative surface modification techniques for powders.
• Fluidized-bed atomic layer deposition (FB-ALD) as a promising solution for surface engineering.

Purpose of the Study:

• To provide fundamentals and strategies for improving nanopowder fluidization in FB-ALD.
• To reveal the potential of FB-ALD in energy devices and pharmaceutical research.
• To highlight FB-ALD's role in developing next-generation powder-based materials.

Main Methods:

• Review of FB-ALD fundamentals and fluidization strategies.
• Analysis of FB-ALD applications in catalyst development for energy devices.
• Examination of FB-ALD for coating active pharmaceutical ingredients.

Main Results:

• FB-ALD enables precise control over nanoparticle size, composition, and dispersion for enhanced catalytic activity and durability.
• Coating pharmaceutical ingredients with biocompatible materials improves release profiles and physical properties.
• FB-ALD offers a versatile and precise method for advanced material development.

Conclusions:

• FB-ALD is a key technology for surface engineering of powders.
• It addresses critical challenges in performance, stability, and functionality for diverse applications.
• FB-ALD facilitates the development of high-performance catalysts and improved pharmaceutical formulations.