1. Nanochemistry Research Institute, Department of Chemistry, Curtin University of Technology, P.O. Box U1987, Perth, 6845 Western Australia, Australia, Applied Physics, RMIT University, GPO Box 2476 V, Victoria 3001, Australia, and Physicochemistry of Carbon Materials Research Group, Department of Chemistry, N. Copernicus University, Gagarin Street 7, 87-100 Torun, Poland