1. Department of Chemistry and Biochemistry, The Ohio State University, 100 W. 18th Avenue, Columbus, Ohio 43210, USA
2. Department of Materials Science and Engineering, The Ohio State University, Fontana Laboratories, 2136, 140 W 19th Ave, Columbus, OH 43210, USA
3. Center for Electron Microscopy and Analysis, The Ohio State University, 1305 Kinnear Rd, Columbus, OH 43212, USA
4. The Air Force Research Laboratory, Materials and Manufacturing Directorate RXEPE, Photonics Branch 2179 12th Street, Wright-Patterson AFB, OH 45433, USA