1. Department of Materials Science, National University of Tainan, Tainan 70005, Taiwan
2. Department of Chemical and Materials Engineering and Bachelor Program in Interdisciplinary Studies, National Yunlin University of Science and Technology, Douliu, Yunlin 64002, Taiwan
3. Department of Physics, National Cheng Kung University, Tainan 70101, Taiwan
4. Department of Chemistry, Soochow University, Taipei City 11102, Taiwan
5. Core Facility Center of National Cheng Kung University, Tainan 70101, Taiwan