1. Department of Chemistry, National Sun Yat-sen University, No. 70, Lien-hai Road, Kaohsiung 80424, Taiwan
2. Ample Electronic Co. No. 32, Dayou 3rd St., Daliao Dist., Kaohsiung City 831, Taiwan
3. Department of Materials and Optoelectronic Science, National Sun Yat-sen University, No. 70, Lien-hai Road, Kaohsiung 80424, Taiwan