1. Laboratory of Green
Chemistry, Department of Chemistry, Lappeenranta University of Technology, Sammonkatu 12, FI-50130 Mikkeli, Finland
2. School of Materials
Science and Engineering, Queen Mary University of London, Mile End Road, E1 4NS, London, United Kingdom
3. Materials Research Institute, Queen Mary University of London, Mile End Road, E1
4NS, London, United Kingdom
4. Laboratory of Industrial Physics, Department of Physics and Astronomy, University of Turku, FI-20014 Turku, Finland
5. Instituto Nacional del Carbón (CSIC), P.O. Box 73, 33080 OVIEDO, Spain