1. Department of Built Environment, North Carolina Agricultural and Technical State University, Greensboro, North Carolina, USA
2. Department of Chemistry, North Carolina Agricultural and Technical State University, Greensboro, North Carolina, USA
3. Joint School of Nanoscience and Nanoengineering, North Carolina Agricultural and Technical State University, Greensboro, North Carolina, USA
4. Department of Civil, Architectural, and Environmental Engineering, North Carolina Agricultural and Technical State University, Greensboro, North Carolina, USA