Xuanyu Shan, Zhongqiang Wang,* Ya Lin, Tao Zeng, Xiaoning Zhao, Haiyang Xu,* and Yichun Liu*
Center for Advanced Optoelectronic Functional Materials Research, and Key Laboratory for UV Light‐Emitting Materials and Technology (Northeast Normal University), Ministry of Education, 5268 Renmin Street, Changchun, 130024 China