* Corresponding authors

^a State Key Laboratory of Luminescent Materials and Devices, Institute of Polymer Optoelectronic Materials and Devices, South China University of Technology, Guangzhou 510640, P. R. China
E-mail: gucheng@scut.edu.cn

^b Department of Synthetic Chemistry and Biological Chemistry, Graduate School of Engineering, Kyoto University, Katsura, Nishikyo-ku, Kyoto 615-8510, Japan
E-mail: horike@icems.kyoto-u.ac.jp

^c Institute of Nuclear and New Energy Technology, Tsinghua University, Beijing, P. R. China

^d South China Advanced Institute for Soft Matter Science and Technology, South China University of Technology, Guangzhou, P. R. China

^e Institute for Integrated Cell-Material Sciences, Institute for Advanced Study, Kyoto University, Yoshida, Sakyo-ku, Kyoto 606-8501, Japan
E-mail: kitagawa@icems.kyoto-u.ac.jp

^f Department of Materials Science and Engineering, School of Molecular Science and Engineering, Vidyasirimedhi Institute of Science and Technology, Rayong 21210, Thailand

^g Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, P. R. China