Shichao Zhu - Semiconductor Lighting Research and Development Center, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China, College of Materials Science and Opto-electronic Technology, University of Chinese Academy of Sciences, Beijing 100049, China
Shan Lin - University of Chinese Academy of Sciences
Jing Li - Institute of Semiconductors
Zhiguo Yu - Institute of Semiconductors
Haicheng Cao - Chinese Academy of Sciences
Chao Yang - Institute of Semiconductors
Jinmin Li - Institute of Semiconductors
Lixia Zhao - University of Chinese Academy of Sciences