1. BAM Federal Institute
of Materials Research and Testing, Biophotonics Division, Richard-Willstätter-Str. 11, D-12489 Berlin, Germany
2. Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, D-12489 Berlin, Germany
3. Münster University
of Applied Sciences, Department of Chemical Engineering, Stegerwaldstr. 39, D-48565 Steinfurt, Germany