1. Department of Physics and Technology, UiT-the Arctic University of Norway, Tromsø 9037, Norway
2. The World Bank, 1818 H Street NW, Washington 20433, DC, United States
3. Advanced Materials Group, Technology Innovation Institute, Abu Dhabi, United Arab Emirates
4. Departament d’Enginyeria Minera, Industrial i TIC, UPC BarcelonaTech, Manresa 08242, Spain
5. Institut de Ciència de Materials de Barcelona Campus de la UAB, Bellaterra 08193, Spain
6. Laboratory for Energy and NanoScience, Khalifa University of Science and Technology, Masdar Institute Campus, Abu Dhabi 127788, United Arab Emirates