Author Affiliations

P. A. van Hal,^# E. Peeters,^# B. M. W. Langeveld-Voss,^# R. A. J. Janssen,^#,*** G. Lanzani,^* G. Cerullo,^* C. Gadermaier,^* M. Zavelani-Rossi,^* S. Desilvestri,^* J. Knol,^** and J. C. Hummelen^**

^#Laboratory of Organic an Macromolecular Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands

^*Istituto Nationale per la Fisica della Materia, CEQSE-C.N.R., Dipartimento di Fisica, Politecnico, Milano ( Italy)

^**Stratingh Institute and Materials Science Center, Groningen University, Nijenborgh 4,9747 AG Groningen, The Netherlands

^*** r.a.j.janssen@tue.nl