1. School of Polymer Science and Polymer Engineering The University of Akron Akron OH 44325 USA
2. Department of Chemical Biomolecular and Corrosion Engineering The University of Akron Akron OH 44325 USA
3. Department of Physics University of Miami Coral Gables FL 33146 USA
4. Department of Chemistry The University of Akron Akron OH 44325 USA