1. Department of Chemistry, National Tsing Hua University, Hsinchu 30013, Taiwan
2. Department of Chemistry, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
3. Institute of Optoelectronic Sciences, National Taiwan Ocean University, Keelung 20224, Taiwan
4. AU Optronics Corporation, Hsinchu 30078, Taiwan
5. Department of Chemistry, National Sun Yat-sen University, Kaohsiung 80424, Taiwan
6. Center for Nanoscience and Nanotechnology, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan