1. Department of Materials Science and Engineering WW4-LKO; University of Erlangen-Nuremberg; Martensstrasse 7 Erlangen D-91058 Germany
2. Lehrstuhl für Chemische Reaktionstechnik; University of Erlangen-Nuremberg; Egerlandstrasse 3 Erlangen D-91058 Germany
3. Department of Chemistry; King Abdulaziz University; Jeddah Saudi Arabia 21589