1. Institute of Chemistry, Academia Sinica, Taipei 11529, Taiwan
2. Department of Chemistry and Biochemistry, National Chung Cheng University, Chiayi 62102, Taiwan
3. Department of Chemistry, National Taiwan Normal University, Taipei 10610, Taiwan
4. Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan
5. National Synchrotron Radiation Research Center, Hsinchu 30076, Taiwan
6. Institute of Materials Science and Engineering, National Central University, Jhongli 32001, Taiwan