1. Department of Polymer Engineering The University of Akron Akron Ohio USA
2. Department of Chemistry Howard University Washington DC USA
3. Department of Chemical and Biomolecular Engineering University of Houston Houston Texas USA
4. Department of Chemistry, Physics and Atmospheric Science Jackson State University Jackson Mississippi USA
5. Center for Functional Nanomaterials Brookhaven National Laboratory Upton New York USA
6. Department of Chemistry, College of Science King Saud University Riyadh Saudi Arabia