J.C. acknowledges financial support from the National Natural Science Foundation of China ( 21604021 ), China Scholarship Council ( CSC , 201808430041 ), Hunan Provincial Natural Science Foundation ( 2018JJ3141 ), and School of Materials Science and Engineering, Jiangsu Engineering Laboratory of Light-Electricity-Heat Energy-Converting Materials and Applications . N.Y. and F.Z. acknowledge funding from the Knut and Alice Wallenberg Foundation under Contract 2016.0059 , the Swedish Government Research Area in Materials Science on Functional Materials at Linköping University (Faculty Grant SFO-Mat-LiU 200900971 ), and China Scholarship Council ( CSC , 201708370115 ). D. Y. thanks the financial support Sino-Danish Centre for Education and Research (SDC), and Hunan Furong Scholarship, China . W.Z. appreciates support from the China Scholarship Council ( 201908440047 ), NSFC project ( 11272093 ), Guangzhou Municipal Science and Technology Bureau ( 201804010501 , 201904010381 ), Department of Education of Guangdong Province ( 2018GKTSCX041 , 2017GKQNCX005 ), Department of Science and Technology of Guangdong Province ( 2016A010103046 ), and the Open Fund of the State Key Laboratory of Luminescent Materials and Devices ( South China University of Technology , 2020-skllmd-07 ). N.W. acknowledges financial support from China Scholarship Council ( CSC , 201808620028 ). E.W. thanks the Swedish Research Council ( 2015-04853 , 2016-06146 , 2019-04683 ), the Swedish Research Council Formas , and the Wallenberg Foundation ( 2017.0186 , 2016.0059 ) for financial support.