1. Polymer Technology Consortia, Department of Material Science and Engineering, Texas A&M University, College Station, Texas 77843, United States
2. Oak Ridge National Laboratory, Chemical Sciences Division, Oak Ridge, Tennessee 37831, United States
3. Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa-city, Chiba 277-8561, Japan
4. Kaneka US Materials Research Center, Fremont, California 94555, United States