1. Laboratory of Advanced Separations (LAS), École Polytechnique Fédérale de Lausanne (EPFL), 1950 Sion, Switzerland.
2. Institut des Sciences et Ingénierie Chimiques (ISIC), EPFL, 1950 Sion, Switzerland.
3. Interdisciplinary Centre for Electron Microscopy (CIME), EPFL, 1015 Lausanne, Switzerland.