Corrigendum: Synthesis, barrier performance, and molecular simulation of a high-barrier polyimide that contains amide groups 2021 Mater. Res. Express8 045305. (16th July 2021) - Wen, Qian; Tang, Ao; Chen, Chengliang; Liu, Yiwu; Xiao, Chunguang; Tan, Jinghua; Li, Duxin