Flexible Nickel-Fumarate Metal–Organic Framework Exhibiting Reversible Single-Crystal-to-Single-Crystal Phase Transformation for Adsorptive Separation of Water–Organic Azeotropic Mixtures
Separating water–organic solvent azeotropes remains a major challenge, rendering conventional distillation ineffective. While metal–organic frameworks (MOFs) show promise for adsorption-based separation, most rely on static, preengineered pores, limiting discrimination between similar molecules. Here, we report Ni-fu...