1. Molecular Materials; Department of Applied Physics; Aalto University School of Science; P.O. Box 15100 FIN-00076 Aalto Espoo Finland
2. Nanomaterials Group; Department of Applied Physics; Aalto University School of Science; P.O. Box 15100 FIN-00076 Aalto Espoo Finland
3. Bio-Based Colloids and Materials; Department of Forest Products Technology; Aalto University School of Chemical Technology; P. O. Box 16300 FIN-00076 Aalto Finland