Fig. 2From: Fast Synthesis of Pt Nanocrystals and Pt/Microporous La2O3 Materials Using Acoustic LevitationHRTEM images of a–e Pt nanoparticles prepared by the acoustic levitation method with different metal concentrations (0.1, 0.05, 0.025, 0.0125, and 0.00625 g/L) and f average particle size for the Pt clustersBack to article page