Mechanical degradation of organic pollutants by piezoelectric metal-organic frameworks

Organic contamination has been an increasingly critical issue all over the world. The development and expansion more environmental-friendly approaches for high-efficient water purification had attracted great attention. Herein, we fabricate a series of piezoresponse MOFs that own extremely large surface area, porous structure and excellent piezoelectric capability. Notably, the piezoresponse capacities could be effectively regulated by ligand adjusting. The optimal sample presents outstanding performance in mechanical energy harvesting and transfer to chemical energy. Typically, 2D UiO-66-F4 can degrade about 95 % of the RhB from 10 ppm within 3 h. This work innovatively report 2D piezoresponse MOFs that applied in organic pollutants degradation, thus open a wider perspective for the novel application of MOFs.