1. Empa
2. Swiss Federal Laboratories for Materials Science and Technology
3. Laboratory Materials for Energy Conversion
4. 8600 Dübendorf
5. Switzerland
6. The Australian National University
7. Research School of Engineering
8. Canberra ACT 0200
9. Australia
10. Ecole Polytechnique Fédérale de Lausanne
11. Photovoltaics and Thin Films Electronics Laboratory
12. 2000 Neuchâtel