1. State Key Laboratory of Integrated Optoelectronics College of Electronic Science and EngineeringJilin University Changchun 130012 China
2. College of PhysicsJilin University Changchun 130012 China
3. Key Laboratory of Materials Physics of Ministry of Education Department of Physics and EngineeringZhengzhou University Zhengzhou 450052 China
4. Key Laboratory of New Energy and Rare Earth Resource Utilization of State Ethnic Affairs CommissionKey Laboratory of Photosensitive Materials & Devices of Liaoning ProvinceSchool of Physics and Materials EngineeringDalian Nationalities University Dalian 116600 China
5. Department of Chemistry and PhysicsLouisiana State University Shreveport LA 71115 USA