1. Oak Ridge Associated Universities (ORAU) Fellowship Program at U.S. Army Research Laboratory, 2800 Powder Mill Road, Adelphi, Maryland 20783, United States
2. Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, North Carolina 27695, United States
3. Sensors and Electron Devices Directorate, U.S. Army Research Laboratory, 2800 Powder Mill Road, Adelphi, Maryland 20783, United States