1. Fraunhofer Institute for Solar Energy Systems ISE
2. 79110 Freiburg im Breisgau
3. Germany
4. Institute for Inorganic and Analytical Chemistry
5. Albert-Ludwigs-Universität Freiburg
6. Freiburg Material Research Center, FMF
7. 79104 Freiburg im Breisgau
8. Netherlands Organization for Applied Scientific Research
9. TNO