Citation: Wang, Shan-Shan; Liang, Yu-Jie; Guo, Wei; Yin, Yue; Li, Xiao-Yu; Xu, Quan-Qing; Zhu, Ai-Xin; Huang, Bo (2023). A 2D flexible cobalt-MOF: reversible solid-state structural transformation, two-step and gate-opening adsorption behaviour and selective adsorption of C2H2 over CO2 and CH4. Dalton Transactions, , pp. -.