Wenlei Yang, Lingyao Wang*, Yuanbin Zhang*
Chin. J. Struct. Chem., 2025, 44(6), 100574. DOI: 10.1016/j.cjsc.2025.100574
June 1, 2025
ABSTRACT
In conclusion, highly efficient SO2/CO2 separation has been achieved by HOF-NKU-1 through GA and SM effect. The storage density of SO2, selectivity, and dynamic capture of SO2 at high humidity conditions exceeds the reported benchmark materials. In addition, HOF-NKU-1 can be recycled and reused through simple recrystallization, resulting in significant material cost savings. Therefore, this work not only provides a new direction for gas separation and storage, but also provides a basis for the discovery of more HOF materials with other functions in the future. Future research can focus on: (1) validation of the large-scale synthesis, long-term cycling stability, and economics; (2) developing dynamic in-situ characterization techniques to reveal the molecular mechanisms of the GA effect; (3) exploring the versatility of HOFs in the separation of other acidic gases (such as NOx). The emergence of such flexible porous materials may provide a new paradigm for the next generation of green chemical technologies.