1. Materials and Manufacturing
Directorate, Air Force Research Laboratory, Wright-Patterson Air Force Base, Dayton, Ohio 45433, United States
2. Biological
and Nanoscale Technologies Division, UES Inc. Dayton, Ohio 45432, United States
3. School
of Chemistry and Biochemistry, School of Materials Science and Engineering,
Center for Organic Photonics and Electronics, Georgia Tech Polymer
Network, Georgia Institute of Technology, Atlanta, Georgia 30332, United States