LEI Yong; FAN Guang-han; LI Shu-ti; TAN Chun-hua; HUANG Kun; ZHENG Shu-wen Institute of Photoelectronic Material and Technology; South China Normal University; Guangzhou 510631; China;

• 华南师范大学光电子材料与技术研究所;华南师范大学光电子材料与技术研究所广东广州;广东广州;