1. School of Materials Science and Engineering UNSW Sydney Sydney NSW 2052 Australia
2. Department of Physics Polytechnic University of Catalonia Campus Nord B4–B5 Barcelona E‐08034 Spain
3. Particles and Catalysis Research Group School of Chemical Engineering UNSW Sydney Sydney NSW 2052 Australia
4. Electron Microscopy Unit (EMU) Mark Wainwright Analytical Centre UNSW Sydney Sydney NSW 2052 Australia
5. Centre for Advanced Materials & Industrial Chemistry (CAMIC) School of Science RMIT University 124 La Trobe Street Melbourne VIC 3000 Australia
6. Laboratory of Advanced Catalysis for Sustainability School of Chemistry University of Sydney Sydney NSW 2006 Australia