1. Institute of Applied Physics, Academy of Sciences of Moldova, Academy str., 5, MD2028 Chisinau, R. Moldova
2. Institute of Chemistry, Academy of Sciences of Moldova, Academy str.,
3, MD2028, Chisinau, R. Moldova
3. NanoScience Technology Center, and Department
of Chemistry, University of Central Florida, Orlando, Florida 32826, United States
4. Department of Physics, and Florida Solar Energy Center, University of Central Florida, Orlando, Florida 32826, United States