Each of the diverse applications of metal oxide nanoparticles requires tailored particle characteristics such as primary particle diameter, extent of soft/hard agglomeration, crystallinity, and chemical purity, among others. “The key to accomplishing these complex demands is the deployment of an adequate production technology and a comprehensive understanding of the process itself,” say Florian Meierhofer (Univ. of Bremen, Braunschweig Univ. of Technology) and his coauthors in the February AIChE Journal article “Nanoparticle Evolution in Flame Spray Pyrolysis – Process Design via Experimental and Computational Analysis.”
Over the past two decades, flame spray pyrolysis (FSP) has proved its potential in synthesizing single- and multi-component nanoparticles at laboratory and industrial production scales. Numerous studies have demonstrated the applicability of FSP-made nanoparticles in catalysts, gas sensors, battery/energy materials, advanced pigments, food fortifications, biomaterials, bioimaging/biosensing, and nanotoxicology screening studies.
The technique can create such a diverse array of nanoparticles because nearly any element can be combined with another by dissolving the desired metal-containing precursor species in a combustible carrier solvent. In comparison,...
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