Department of Electrical and Computer Engineering, Waterloo Institute for Nanotechnology, University of Waterloo, 200 University Ave West, Waterloo, ON N2L 3G1, Canada ...

Department of Chemistry, NIS Interdepartmental and INSTM Reference Centre, University of Torino, Via G. Quarello 15/A, 10135 and Via P. Giuria 7, 10125 Turin, Italy ...