1. Department of Electronic Engineering, Graduate School of Engineering Science and Technology, National Yunlin University of Science and Technology, Douliu, Yunlin, Taiwan
2. Department of Chemical and Materials Engineering, Southern Taiwan University Science and Technology, Tainan, Taiwan
3. Department of Electronic Engineering, National Yunlin University of Science and Technology, Douliu, Yunlin, Taiwan
4. Department of Electrical Engineering, Green Energy Technology Research Center, Kun Shan University, Yongkang, Taiwan