1. Department of Photonics, National Cheng Kung University, Tainan 70101, Taiwan
2. Department of Applied Materials and Optoelectronic Engineering, National Chi Nan University, Nantou, 54561, Taiwan
3. Core Facility Center (CFC), National Cheng Kung University, Tainan, 70101, Taiwan
4. Photovoltaic Technology Division, Green Energy & Environment Research Laboratories, Industrial Technology Research Institute, Tainan 711, Taiwan
5. Hierarchical Green-Energy Materials (Hi-GEM) Research Center, National Cheng Kung University, Tainan 70101, Taiwan