1. SZU-NUS Collaborative Innovation Center for Optoelectronic Science and Technology and Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province
2. College of Optoelectronic Engineering
3. Shenzhen University
4. Shenzhen 518060
5. P. R. China
6. Center of Nanomaterials for Renewable Energy
7. Key Lab of Smart Grid of Shaanxi Province
8. State Key Lab of Electrical Insulation and Power Equipment
9. Xi'an Jiaotong University
10. Xi'an