Highly Anisotropic and Water Molecule-Dependent Proton Conductivity in a 2D Homochiral Copper(II) Metal–Organic Framework - Li, Rong; Wang, Shuai-Hua; Chen, Xu-Xing; Lu, Jian; Fu, Zhi-Hua; Li, Yan; Xu, Gang; Zheng, Fa-Kun; Guo, Guo-Cong (Chemistry of materials, 2017)