Atmosphere-dependent stability and mobility of catalytic Pt single atoms and clusters on γ-Al2O3

Caroline Dessal, Alexis Sangnier, Céline Chizallet, Christophe Dujardin, Franck Morfin, Jean-Luc Rousset, Mimoun Aouine, Matthieu Bugnet, Pavel Afanasiev, Laurent Piccolo
2019 Nanoscale  
Pt single atoms, stable on alumina under O2, form mobile clusters under H2, due to adsorbate- and nuclearity-dependent metal-support interaction.
doi:10.1039/c9nr01641d fatcat:7qycphpu3nhcrillgqtsyjn6aa