Affiliation: | 1. Molecular Materials and Nanosystems, Eindhoven University of Technology, P. O. Box 513, 5600 MB Eindhoven (The Netherlands);2. BASF, Klybeckstrasse 141, 4002 Basel (Switzerland);3. Philips Research Laboratories, High Tech Campus 4, 5656 AE Eindhoven (The Netherlands) |