1. Photovoltaics
and Thin-Film Electronics Laboratory, Institute of Microengineering
(IMT), Ecole Polytechnique Fédérale de Lausanne (EPFL), rue
de la Maladière 71B, Neuchâtel CH-2000, Switzerland
2. Interdisciplinary
Centre for Electron Microscopy (CIME), Ecole Polytechnique Fédérale de Lausanne (EPFL), Station 12, CH-1015 Lausanne, Switzerland
3. CSEM, PV-Center, rue Jacques-Droz 1, Neuchâtel CH-2002, Switzerland