1. Department of Physics, Center for Discovery and Innovation, The City College of New York, 85 St. Nicholas Terrace, New York, New York 10031, United States
2. The PhD Program in Physics, The Graduate Center of the City University of New York, 365 Fifth Ave, New York, New York 10016, United States
3. Photonics Initiative, Advanced Science Research Center, City University of New York, New York, New York 10031, United States
4. Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United States
5. Nano-Science Center & Department of Chemistry, University of Copenhagen, Universitetsparken 5, 2100 Copenhagen, Denmark
6. Department of Chemistry, Center for Discovery and Innovation, The City College of New York, 85 St. Nicholas Terrace, New York, New York 10031, United States