Ultramicroporous solids hold great promise for hydrocarbon separation, but uncovering their design principles remains challenging. Now, a series of ultramicroporous zirconium metal–organic frameworks with tunable microporosity and pore structure have been prepared by combining isophthalate-based octatopic or hexatopic organic linkers and Zr6 nodes; these materials can separate hexane isomers as a function of branching.
- Liang Yu
- Shenfang Li
- Hao Wang
