1. Institute of Materials Science, Vietnam Academy of Science and Technology, Hanoi 100000, Vietnam
2. Department of Chemistry, Hanyang University, 222, Wangsimni-ro, Seongdong-gu, Seoul 04763, Republic of Korea
3. Institute of Physic and Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Hanoi 100000, Vietnam
4. Institute of Engineering and Technology, Thu Dau Mot University, Binh Duong 75000, Vietnam
5. Department of Nanotechnology and Advanced Materials Engineering, Sejong University, Seoul 05006, Republic of Korea
6. Division of Physics and Semiconductor Science, Dongguk University, Seoul 04620, Republic of Korea