1. Materials and Manufacturing Directorate, Air Force Research Laboratory, Wright-Patterson AFB, OH, 45433, USA
2. UES, Inc., Dayton, OH, 45431, USA
3. National Research Council Research Associate, Air Force Research Laboratory, Wright-Patterson AFB, OH, 45433, USA
4. Department of Chemistry, Purdue University, West Lafayette, IN, 47907, USA
5. Department of Chemistry, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA
6. Department of Chemistry, Princeton University, Princeton, NJ, 08544, USA
7. Department of Chemistry and Biochemistry, University of California, Los Angeles, CA, 90095, USA