1. Department of Chemistry and AMRI, University of New Orleans, New Orleans, Louisiana 70148, Department of Chemistry, State University of New York at Binghamton, Binghamton, New York 13902, Coordinated Instrumentation Facility, Tulane University, New Orleans, Louisiana 70118, and Multidisciplinary Program in Materials Science and Engineering, State University of New York at Binghamton, Binghamton, New York 13902