1 Supporting Information          Xue Liu † , Sebastiaan Akerboom † , Mathijs de Jong ‡ , Ilpo Mutikainen § , Stefania Tanase ∥ , Andries Meijerink ‡ , Elisabeth Bouwman* † † Leiden Institute of Chemistry, Leiden University, P.O. Box 9502, 2300 RA Leiden, The Netherlands ‡ Debye Institute for Nanomaterials Science, Utrecht University, Princetonplein 5, 3584 CC Utrecht, The Netherlands. § Department of Chemistry, University of Helsinki, P.O. Box 55 (A.I. Virtasenaukio 1), FI>00014, Finland. ∥ Van ‘t Hoff Institute for Molecular Sciences, University of Amsterdam, Science Park 904, 1098 XH Amsterdam, The Netherlands.