1. State Key Lab of Physical Chemistry of Solid Surfaces Collaborative Innovation Center of Chemistry for Energy Materials and Department of Chemistry Xiamen University Xiamen 361005 China
2. Department of Chemistry University of Cambridge Lensfield Rd Cambridge CB2 1EW UK
3. Current address: Max-Plank-Institut für Chemische Energiekonversion Stiftstr. 34–36 45470 Mülheim an der Ruhr Germany
4. Institut für Energie und Klimaforschung (IEK-9) Forschungszentrum Jülich GmbH 52425 Germany
5. Collaborative Innovation Center for Optoelectronic Semiconductors and Efficient Devices Department of Physics Xiamen University Xiamen 361005 China
6. Chemical Sciences and Engineering Division Argonne National Laboratory 9700 South Cass Avenue Argonne Illinois 60439 USA
7. Xiamen Institute of Rare Earth Materials Chinese Academy of Sciences Xiamen 361021 China
8. National High Magnetic Field Laboratory 1800 E. Paul Dirac Drive Tallahassee Florida 32310 USA
9. Materials Science and Engineering Stanford University Stanford California 94305 USA
10. Department of Material Science and Engineering Xiamen University Xiamen 361005 China