1. Department of Chemistry and Frontier Research Center on Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu 30013, Taiwan
2. Department of Chemistry, National Taiwan University, Taipei 10617, Taiwan
3. Department of Electrical Engineering, Yuan Ze University, Chung-Li 32003, Taiwan
4. Department of Materials Science and Engineering and Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong SAR