1. Nanosystems Engineering Research Center for Nanotechnology-Enabled Water Treatment, Department of Chemistry and Biochemistry, The University of Texas at El Paso, 500 W University Avenue, El Paso, Texas 79968, United States
2. Nanosystems Engineering Research Center for Nanotechnology-Enabled Water Treatment, School of Sustainable Engineering and the Built Environment, Arizona State University, Tempe, Arizona 85287-3005, United States
3. Oak Ridge Institute for Science and Education, U.S. Environmental Protection Agency, 5995 Center Hill Avenue, Cincinnati, Ohio 45224, United States
4. Department of Chemistry, The University of Texas Rio Grande Valley, 1 W University Blvd, Brownsville, Texas 78520, United States