1. Department of Materials Science and Engineering, National Taiwan University, Taipei 106, Taiwan
2. Department of Physics, National Taiwan University, Taipei 106, Taiwan
3. Nano Science and Technology Program, Taiwan International Graduate Program, Academia Sinica and National Taiwan University, Taipei 115, Taiwan
4. Department of Applied Physics, National Pingtung University, Pingtung 900, Taiwan
5. International Graduate Program of Molecular Science and Technology, National Taiwan University (NTU-MST), Taipei 106, Taiwan
6. Molecular Science and Technology Program, Taiwan International Graduate Program (TIGP) Academia Sinica, Taipei 11529, Taiwan
7. Department of Chemistry, Tunghai University, Taichung 407, Taiwan
8. Department of Chemistry, National Taiwan Normal University, Taipei 116, Taiwan
9. Center of Atomic Initiative for New Materials (AI-MAT), National Taiwan University, Taipei 106, Taiwan