1. Faculty of Chemistry and Chemical Technology, University of Ljubljana, Ljubljana, Slovenia
2. Department of Chemical Engineering, Indian Institute of Technology Roorkee, Roorkee, India
3. The Key Laboratory of Low-Carbon Chemistry & Energy Conservation of Guangdong Province/State Key Laboratory of Optoelectronic Materials and Technologies, Sun Yat-sen University, Guangzhou, P.R. China
4. Nanotesla Institut Logatec, Logatec, Slovenia
5. Department of Chemical Engineering, Indian Institute of Technology (Indian School of Mines), Dhanbad, India