1. Department of Physics, National Taiwan University, Taipei 10617, Taiwan
2. Nano-Science and Technology Program, Taiwan International Graduate Program, Academia Sinica, Taipei 11529, Taiwan
3. Institute of Chemistry, Academia Sinica, Taipei 115, Taiwan
4. Molecular-Science and Technology Program,Taiwan International Graduate Program, Academia Sinica, Taipei 11529, Taiwan
5. Department of Chemistry, National Tsing Hua University, Hsinchu 300, Taiwan
6. Sustainable Chemical Science and Technology, Taiwan International Graduate Program, Academia Sinica, Taipei 106, Taiwan and Department of Applied Chemistry, National Chiao Tung University, Hsinchu 300, Taiwan
7. Center for Condensed Matter Sciences, National Taiwan University, Taipei 10617, Taiwan
8. Center of Atomic Initiative for New Materials, National Taiwan University, Taipei 10617, Taiwan
9. Department of Chemical Engineering and Biotechnology, National Taipei University of Technology, Taipei 106, Taiwan