Highly Hydrophilic and Surface Defect-Rich MOF-74-PA15 By Phytic Acid Etching as Robust Catalyst of Oxygen Evolution Reaction

By etching with phytic acid, MOF-74-PA15 with high hydrophilicity, surface defect-rich and excellent electronic structure was obtained. It exhibits outstanding OER catalytic activity with an overpotential of 250 mV at 100 mAcm −2 .