1. School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China
2. Center for Semiconductor Particle and Photon Imagine Detector Development and Fabrication, Xiangtan University, Xiangtan 411105, China
3. School of Physics and Optoelectronic Engineering, Ludong University, Yantai 246025, China
4. School for Optoelectronic Engineering, Zaozhuang University, Shandong 277160, China