1. Department
of Biology and Chemistry, New Mexico Highlands University, Las Vegas, New Mexico 87701, United States
2. Institute
of Applied Physics, Academy of Sciences of Moldova, Academy Str.,
5 MD2028 Chisinau, Moldova
3. Department
of Chemistry and Center for Applied Energy Research, University of Kentucky, Lexington, Kentucky 40506-0055, United States
4. School of Chemistry & Biochemistry and Center for Organic Photonics and Electronics, Georgia Institute of Technology, 901 Atlantic Drive NW, Atlanta, Georgia 30332-0400, United States