1. Catalonia Institute for Energy Research – IREC Sant Adrià de Besòs Barcelona 08930 Spain
2. Department of Electronic and Biomedical Engineering Universitat de Barcelona Barcelona 08028 Spain
3. Catalan Institute of Nanoscience and Nanotechnology (ICN2) CSIC and BIST Campus UAB Bellaterra Barcelona 08193 Spain
4. State Key Laboratory for Physical Chemistry of Solid Surfaces Fujian Key Laboratory of Materials Genome College of Materials Xiamen University Xiamen 361005 China
5. South Ural State University 76, Lenin Ave. Chelyabinsk 454080 Russia
6. Institute of Energy Technologies Department of Chemical Engineering and Barcelona Research Center in Multiscale Science and Engineering Universitat Politècnica de Catalunya EEBE Barcelona 08019 Spain
7. Department of Chemistry and the Oden Institute for Computational Engineering and Sciences The University of Texas at Austin Austin TX 78712 USA
8. ICREA Pg. Lluís Companys 23 Barcelona 08010 Spain
9. Institute for Superconducting and Electronic Materials University of Wollongong Innovation Campus North Wollongong New South Wales 2500 Australia