1. Institute of Organic Chemistry,
Organic and Macromolecular Chemistry, Duesbergweg 10-14 Johannes Gutenberg-University (JGU), D-55099 Mainz,
Germany
2. Graduate School Materials Science in Mainz, Staudingerweg 9, D-55128
Mainz, Germany
3. Institut für Mikrotechnik Mainz GmbH, Carl-Zeiss-Strasse 18-22, 55129
Mainz, Germany