1. Laboratory of Materials for Renewable Energy (LMER), Institute of Chemical Sciences and Engineering (ISIC), Basic Science Faculty (SB), École Polytechnique Fedérale de Lausanne (EPFL) Valais/Wallis, Energypolis, Rue de l’Industrie 17, CH-1951 Sion, Switzerland
2. Empa Materials Science & Technology, CH-8600 Dübendorf, Switzerland
3. School of Materials Science and Engineering, China University of Petroleum (East China), Qingdao, Shandong 266580, China
4. School of Environmental and Chemical Engineering, Shanghai University, 99 Shangda Road, Shanghai 200444, China