1. Department of Chemical and Materials Engineering, National Central University, Taoyuan 32001, Taiwan
2. Department of Chemistry, National Central University, Taoyuan 32001, Taiwan
3. Department of Chemistry, Northwestern University, Evanston, Illinois 60208, United States
4. Instrumentation Center, National Taiwan University, Taipei 10617, Taiwan
5. Institute of Polymer Science and Engineering, National Taiwan University, Taipei 10617, Taiwan
6. Department of Materials Science and Engineering, National Taiwan University, Taipei 10617, Taiwan