Abstract

Flame Spray Pyrolysis is an attractive technology for the synthesis of nanosized materials with distinct characteristics. Industry leaders such as Cabot, Cristal, DuPont, Evonik, and Ishihara manufacture flame-made materials in millions of tons per year including carbon blacks. Herein we exemplify the application of large-scale FSP process for the synthesis of highly active photocatalysts, able to achieve high H2, O2 production yields from H2O. Precise control of W-doping along with controlled Scheelite-phase BiVO4 is a benchmark oxygen-evolving nanocatalyst. Double-Nozzle FSP is demonstrated to allow the production of highly efficient {noble metal} TiO2 heterostructures. Key-Performance-Indicators that allow transition of Lab-Scale to Industrial-Scale engineering of semiconductors are discussed, including cost-analysis and environmental impact of the production process.

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