[1] Univ Florida, Dept Chem, George & Josephine Butler Polymer Res Lab, Gainesville, FL 32611 USA
[2] Univ Florida, Ctr Macromol Sci & Engn, Gainesville, FL 32611 USA
[3] Kyoto Univ, Kyoto 6068501, Japan
[4] Harvard Univ, Cambridge, MA 02138 USA
[5] Max Planck Inst Polymer Res, Grp Klaus Mullen, D-55128 Mainz, Germany
[6] Univ Florida, Gainesville, FL 32611 USA
[7] Ctr Macromol Sci & Engn, Arlington, VA USA