1. Clemens-Schöpf
Institute of Organic Chemistry and Biochemistry, Darmstadt University of Technology, Alarich-Weiss Str. 4, 64287 Darmstadt, Germany
2. Eduard-Zintl-Institute
of Inorganic and Physical Chemistry, Darmstadt Univeristy of Technology, Alarich-Weiss-Str. 4, D-64287 Darmstadt, Germany
3. Chemical
Engineering, University of KwaZulu-Natal, 238 Mazisi Kunene Rd, Glenwood, Durban 4001, South Africa