1. Photovoltaics and Thin Film Electronics Laboratory, Institute of Microengineering (IMT), École Polytechnique Fédérale de Lausanne (EPFL), Rue de la Maladière 71b, CH-2000 Neuchâtel, Switzerland
2. CSEM PV-Center, Jaquet-Droz 1, CH-2000 Neuchâtel, Switzerland