1. Department of Physics, National Taiwan University, Taipei 10617, Taiwan
2. Graduate Institute of Applied Physics, National Taiwan University, Taipei 10617, Taiwan
3. Department of Materials Science and Engineering, National Chung Hsing University, Taichung 402, Taiwan
4. Department of Electro-physics, National Chiao Tung University, Hsinchu 30010, Taiwan
5. Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 10608, Taiwan
6. Department of Photonics and Institute of Electro-optical Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
7. Research Center for Sustainable Energy and Nanotechnology, National Chung Hsing University, Taichung 402, Taiwan
8. Innovation and Development Center of Sustainable Agriculture, National Chung Hsing University, Taichung 402, Taiwan