Citation: Liang, Xiaoqiang; Cao, Tingting; Wang, Li; Zheng, Changzheng; Zhao, Yamei; Zhang, Feng; Wen, Chen; Feng, Lei; Wan, Chengan (2020). From an organic ligand to a metal--organic coordination polymer, and to a metal--organic coordination polymer--cocrystal composite: a continuous promotion of the proton conductivity of crystalline materials. CrystEngComm, 22, pp. 1414-1424.