1. Physics and Materials Science Research Unit; Université du Luxembourg; 41, rue du Brill L-4422 Belvaux Luxembourg
2. Robert Bosch GmbH; Corporate Sector Research and Advance Engineering; Robert Bosch Campus 1 D-71272 Renningen Germany
3. Bosch Solar CIS Tech GmbH; Münstersche Str. 24 D-14772 Brandenburg Germany
4. Luxembourg Institute of Science and Technology; 41, rue du Brill L-4422 Belvaux Luxembourg