1. Department of Chemistry, National Taiwan University, Taipei 106, Taiwan
2. Department of Materials Science and Engineering, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
3. National Synchrotron Radiation Research Center, Hsinchu 300, Taiwan
4. Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
5. Center for Reliability Sciences and Technologies, Center for Green Technology, Chang Gung University, Taoyuan 333, Taiwan
6. Graduate Institute of Nanomedicine and Medical Engineering, College of Biomedical Engineering, Taipei Medical University, Taipei 11031, Taiwan