1. Department of Materials and Optoelectronic Science
2. Center of Crystal Research
3. National Sun Yat-Sen University
4. Kaohsiung 80424
5. Taiwan
6. Department of Chemical Engineering
7. National Taiwan University
8. Taipei 10617
9. Department of Chemistry
10. City University of Hong Kong
11. Kowloon 999077
12. Hong Kong
13. Advanced Research Center for Green Materials Science and Technology