1. Department of Chemistry, National Taiwan University, No. 1, Section 4, Roosevelt Road, Taipei 10617, Taiwan
2. Department of Physics, National Taiwan University, No. 1, Section 4, Roosevelt Road, Taipei 10617, Taiwan
3. Nano-Science and Technology Program, Taiwan International Graduate Program, Institute of Physics, Academia Sinica, Taipei 106, Taiwan
4. Institute of Chemistry, Academia Sinica, Taipei 115, Taiwan
5. Department of Mathematics and Sciences, College of Arts and Applied Sciences, Dhofar University, Salalah PC 211, Oman
6. Advanced Research Center for Green Materials Science and Technology, National Taiwan University, Taipei 10617, Taiwan