1. National Centre for High-Resolution Electron Microscopy (nCHREM), Centre for Analysis and Synthesis, Lund University, Lund 221 00, Sweden
2. Department of Materials, University of Oxford, Parks Roads, Oxford OX1 3PH, U.K.
3. Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, Johannesburg 2050, South Africa
4. DSI-NRF Centre of Excellence in Catalysis, University of the Witwatersrand, Johannesburg 2050, South Africa
5. King Abdulaziz City for Science and Technology (KACST)─Oxford Centre of Excellence in Petrochemicals, Inorganic Chemistry Laboratory, Department of Chemistry, University of Oxford, South Parks Road, Oxford OX1 3QR, U.K.
6. Johnson Matthey Technology Centre, Blount’s Court Sonning CommonReading RG4 9NH, U.K.
7. Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, U.K.
8. Electron Physical Science Imaging Centre (ePSIC), Diamond Light Source Ltd., Didcot OX11 0DE, U.K.