1. Catalonia Energy Research Institute – IREC Sant Adrià de Besòs 08930 Barcelona Spain
2. Departament d'Enginyeria Electrònica i Biomèdica Universitat de Barcelona 08028 Barcelona Spain
3. Department of Materials Science and Engineering Pennsylvania State University University Park PA 16802 USA
4. School of Materials Science and Engineering Anhui University 230601 Hefei China
5. Institute of Science and Technology Austria (ISTA) 3400 Am Campus 1 Klosterneuburg Austria
6. South Ural State University 454080 76 Lenin Av Chelyabinsk Russia
7. Institute of Advanced Study Chengdu University 610106 Chengdu China
8. Hebei Key Lab of Optic‐electronic Information and Materials College of Physics Science and Technology Hebei University 071002 Baoding China
9. Zhejiang Key Laboratory of Petrochemical Environmental Pollution Control,National Engineering Research Center for Marine Aquaculture Marine Science and Technology College Zhejiang Ocean University Zhoushan Zhejiang Province 316004 China
10. ICREA Pg. Lluis Companys 23 Barcelona Catalonia 08010 Spain