1. Physical Chemistry I, Department of Chemistry and Biology & Research Center of Micro and Nanochemistry and Engineering (Cμ), University of Siegen, 57076 Siegen, Germany
2. Centre
for Biomedical and Biomaterials Research, University of Mauritius, MSIRI Building, Réduit 80837, Mauritius
3. Solid
State Physics, Department of Physics, University of Siegen, 57076 Siegen, Germany
4. Macromolecular
Chemistry, Department of Chemistry and Biology, University of Siegen, 57076 Siegen, Germany