1. New Energy Technologies Group
2. Department of Applied Physics
3. Aalto University School of Science
4. FI-00076 Aalto, Finland
5. Laboratory of Photonics and Interfaces
6. Ecole Polytechnique Federale de Lausanne (EPFL)
7. CH-1015 Lausanne, Switzerland
8. Engineering Materials Group
9. Department of Engineering Design and Production