Add time:07/30/2019         Source:sciencedirect.com

A new synthesis process, laser ablation in an aqueous solution of target material, was applied to synthesize nanostructured CeO2/TiO2 catalyst particles. Reactivity within the laser plume (plasma) can be used to synthesize CeO2 from an aqueous solution, 2 M cerium (III) nitrate hexahydrate (Ce(NO3)3·6H2O) aqueous solution, and to fabricate TiO2 from Ti target. CeO2/TiO2 nanoparticles were successfully synthesized by the laser ablation of Ti target in 2 M cerium (III) nitrate hexahydrate (Ce(NO3)3·6H2O) aqueous solution. Laser ablation of Ti in a liquid environment and chemical reactions of the solution within a plasma plume are discussed.

Laser ablation in aqueous solution process: process A: laser plasma + target (Ti target ablation) → process A*: laser plasma induced plasma + ablated material (oxidation of ablated Ti) → process B: laser plasma + aqueous solution (synthesis of CeO2).

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