1. Department of Materials Science and Engineering
2. University of Virginia
3. Charlottesville
4. USA
5. Technical Chemistry I and Center for Nanointegration Duisburg-Essen (CENIDE)
6. University of Duisburg-Essen
7. Essen 45141
8. Germany
9. Institute of Photonic Technologies
10. Friedrich-Alexander University Erlangen-Nürnberg
11. Erlangen 91052