1. Department of Physics, National Chung Cheng University, Ming Hsiung, Chia Yi, 621, Taiwan
2. Institute of Materials Science, VAST of Vietnam, Hoang Quoc Viet Road, Hanoi, 100000, Vietnam
3. Duy Tan University, Quang Trung Road, Danang, 550000, Vietnam
4. Department of Materials and Optoelectronic Science, National Sun Yat Sen University, Kaohsiung, 804, Taiwan
5. Department of Chemistry and Biochemistry, National Chung Cheng University, Ming Hsiung, Chia Yi, 621, Taiwan
6. Graduate Institute of Opto-Mechatronics, National Chung Cheng University, Ming Hsiung, Chia Yi, 621, Taiwan