1. Faculty of Materials Science and Technology University of Science Ho Chi Minh City Vietnam
2. Vietnam National University Ho Chi Minh City Vietnam
3. Physics Laboratory Le Thanh Ton High School Ho Chi Minh City Vietnam
4. Faculty of Physics and Engineering Physics University of Science Ho Chi Minh City Vietnam
5. Deparment of Bio‐material and Nano Technology Biotechnology Center of Ho Chi Minh City Ho Chi Minh City Vietnam
6. Department of Physical Chemistry, Applied Physical Chemistry Laboratory University of Science Ho Chi Minh City Vietnam