1. Department of Materials and Optoelectronic Science, Center for Functional Polymers and Supramolecular Materials, National Sun Yat-Sen University, Kaohsiung 804, Taiwan
2. Chemistry Department, Faculty of Science, Assiut University, Assiut 71515, Egypt
3. Department of Chemistry, National Sun Yat-Sen University, Kaohsiung 80424, Taiwan
4. Department of Chemistry, National Kaohsiung Normal University, Kaohsiung 802, Taiwan
5. Department of Medicinal and Applied Chemistry, Kaohsiung Medical University, Kaohsiung 807, Taiwan