1. School of Photoelectric Engineering
2. Changzhou Institute of Technology
3. Changzhou
4. China
5. School of Materials Science and Engineering
6. Nanyang Technological University
7. Singapore
8. Tecnologico de Monterrey
9. Escuela de Ingenieriay Ciencias
10. Campus Monterrey
11. 64849 Monterrey
12. Mexico
13. Energy Research Institute@NTU (ERI@N)