1. Department of Molecular Nanoscience and Organic Materials Institut de Ciència de Materials de Barcelona (ICMAB)/ CIBER-BBN Campus Universitari de Bellaterra. 08193 Cerdanyola Spain
2. Department of Chemistry National University of Singapore 3 Science Drive 3 117543 Singapore Singapore
3. Institut für Organische Chemie & Center for Nanosystems Chemistry Julius Maximilians-Universität Würzburg 97074 Würzburg Germany
4. Dipartimento di Chimica “G. Ciamician” Università di Bologna Via F. Selmi 2 40126 Bologna Italy
5. Department of Physical Chemistry University of Malaga Campus de Teatinos s/n 229071 Malaga Spain