1. Hunan Provincial Key Laboratory of Chemical Power SourcesCollege of Chemistry and Chemical EngineeringCentral South University 410083 Changsha China
2. Faculty of EngineeringØstfold University College P.O. Box 700 1757 Halden Norway
3. Department of Chemistry and Center for PharmacyUniversity of Bergen P.O. Box 7803 5020 Bergen Norway
4. School of Physics and ElectronicsHunan University 410082 Changsha China
5. Key Laboratory of Materials Processing and Mold (Zhengzhou University)Ministry of EducationZhengzhou University Zhengzhou 450002 China