1. School
of Chemistry, University of Southampton, University Road, Southampton SO17 1BJ, United Kingdom
2. Department of Chemistry & NIS-Interdepartmental Centre, University of Turin, Via P. Giuria 7, 10125 Torino, Italy
3. Dipartimento
di Scienze e Innovazione Tecnologica, Centro Interdisciplinare Nano-SiSTeMI, Università del Piemonte Orientale, Via T. Michel 11, 15100 Alessandria, Italy
4. SiGNa Chemistry
Inc, 845 Third Avenue, Suite 623, New York City, New York 10022, United States