Yuanfeng Hou,a Zhongshu Li,*a Yaqi Li,a Peng Liu,b Cheng-Yong Su,*a Florian Puschmannc and Hansjörg Grützmacher*ac
a Lehn Institute of Functional Materials (LIFM), School of Chemistry, Sun Yat-Sen University, 510275 Guangzhou, China
b Guangdong Engineering and Technology Research Center for Advanced Nanomaterials, School of Environment and Civil Engineering, Dongguan University of Technology, Dongguan 523808, China
c Department of Chemistry and Applied Biosciences, ETH Zürich, 8093 Zürich, Switzerland