1. Department of Chemistry, University of Idaho, 875 Perimeter Drive MS 2343, Moscow, Idaho 83844-2343, United States
2. Department of Physics, Oklahoma State University, 145 Physical Science Bldg., Stillwater, Oklahoma 74078, United States
3. Department of Chemical and Materials Engineering, University of Idaho, 875 Perimeter Drive MS 1021, Moscow, Idaho 83844-1021, United States