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Flexible and porous aerogels are obtained by combining functional metal-organic frameworks (MOFs) and structural cellulose nanocrystals via a straightforward water-based sol-gel process, followed by freeze-drying. The aerogels have a hierarchical porous structure with controllable MOF loading up to 50 wt%. These hybrid materials can be used as absorbents for water purification.
Zhu et al. (Thu,) studied this question.