1. Department of Science and Technology
2. Linköping University
3. S-60174 Norrköping
4. Sweden
5. Optoelectronics Group
6. Department of Physics
7. Chemistry and Biology
8. S-581 83 Linköping
9. University of South Australia
10. Mawson Institute
11. Mawson Lakes 5095
12. Australia
13. Technical University of Denmark
14. Department of Energy Conversion and Storage
15. 4000 Roskilde
16. Denmark