1. CAS Key Laboratory of Optoelectronic Materials Chemistry and PhysicsFujian Institute of Research on the Structure of MatterChinese Academy of Sciences Fuzhou 350002 China
2. Center of Materials Science and Optoelectronics EngineeringUniversity of Chinese Academy of Sciences Beijing 100049 China
3. State Key Laboratory of High Performance Ceramics and Superfine MicrostructureShanghai Institute of CeramicsChinese Academy of Sciences Shanghai 200050 China
4. CAS Key Laboratory of Inorganic Functional Materials and DevicesShanghai Institute of CeramicsChinese Academy of Sciences Shanghai 200050 China