In the version of the article originally published in volume 64, issue 1, 2021 of Sci China Mater (2021, 64(1): 52-60, https://doi.org/10.1007/s40843-020-1408-x), the chemical formula of Sn(DMSO)(4)Cl-4 (page 54, 8(th) line in the left column; page 56, 4(th) and 6(th) lines from the bottom of left column and in Equations (6 and 7) in the right column) was miswritten. The correct formula should be as below: SN(DMSO)(2)CL4.