Institution: | 1. Uppsala University, Global Energy Systems, Department of physics and astronomy, Box 535, SE-751 21, Lägerhyddsvägen 1, Uppsala, Sweden;2. Department of Chemistry, University of Firenze, Via della Lastruccia 3, Sesto Fiorentino FI, Italy;3. China University of Petroleum – Beijing, School of Business Administration, 18 Fuxue Road, Changping, Beijing, China;4. China University of Petroleum – Beijing, School of Natural Resources and Information Technology, 18 Fuxue Road, Changping, Beijing, China |