Achieving excellent nonlinear optical performance via "dimensionality elevation"-driven transformation from centrosymmetric to non-centrosymmetric structures. - Jiang, Lin-Tao; Chen, Jun-Long; Zhang, Ming-Shu; Jiang, Xiao-Ming; Liu, Bin-Wen; Guo, Guo-Cong (SCIENCE CHINA Chemistry, 2026)