1. State Key Laboratory on Integrated Optoelectronics; College of Electronic Science and Engineering; Jilin University; 2699 Qianjin Street Changchun 130012 China
2. Key Laboratory of Bionic Engineering (Ministry of Education); Jilin University; Changchun 130022 China
3. State Key Laboratory of Inorganic Synthesis and Preparative Chemistry; College of Chemistry; Jilin University; Changchun 130012 China
4. College of physics; Jilin University; Changchun 130012 China