1. College of Materials Science and Engineering, Sichuan University, Chengdu 610064, China
2. College of Optoelectronics Engineering, Chengdu University of Information Technology, Chengdu 610225, China
3. Sichuan University, Department of Laboratory medicine, West China Hospital, Chengdu 610041, China
4. School of Materials Science and Engineering, Huazhong University of Science and Technology, Wuhan, 430074, China
5. School of Physics and Electronics, Hunan University, Changsha 410082, China