* Corresponding authors

^a School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore
E-mail: qczhang@ntu.edu.sg

^b State Key Laboratory of Silicon Materials, School of Materials Science and Engineering, Zhejiang University, Hangzhou 310027, P.R. China

^c State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P.R. China

^d Division of Chemistry and Biological Chemistry, School of Physical and Mathematical Sciences, Nanyang Technological University, Singapore 637371, Singapore

^e Department of Chemistry and Biochemistry, California State University, Long Beach, CA 90840, USA

^f Department of Chemistry, University of California, Riverside, CA 92521, USA