1. Nano‐Science and Technology Program Taiwan International Graduate Program Institute of Physics, Academia Sinica Taipei 106 Taiwan
2. Department of Physics National Taiwan University No. 1, Section 4, Roosevelt Rd Taipei 10617 Taiwan
3. Department of Chemistry National Taiwan University No. 1, Section 4, Roosevelt Rd Taipei 10617 Taiwan
4. Institute of Chemistry Academia Sinica Taipei 115 Taiwan
5. Department of Materials Science and Engineering National Taiwan University of Science and Technology Taipei 10607 Taiwan
6. Research Center for Applied Sciences Academia Sinica Taipei 115024 Taiwan
7. Institute of Physics Academia Sinica Taipei 11529 Taiwan