Ionic Liquids Achieve the Exfoliation of Ultrathin Two-Dimensional VOPO4·2H2O Crystalline Nanosheets: Implications on Energy Storage and Catalysis

Two-dimensional (2D) nanosheets have been widely reported and applied. Among them, 2D VOPO4·2H2O (HVPO) is widely used in the chemical industry and energy storage field because of its polyanionic l...