Shape Stability Of Octahedral PtNi Nanocatalysts For Electrochemical Oxygen Reduction Reaction Studied By in situ Transmission Electron Microscopy Chemistry, FEI Titan, HREM, Nanoparticles / Nano-Crystal, Wildfire Skills Posted on May 29, 2018 ← Elevated temperature transmission Kikuchi diffraction in the SEM Unexpected refacetting of palladium nanoparticles under atmospheric N2 conditions →