US11794175B2
University of Texas System
A metal-free porphyrin based crystalline 2D organic polymer obtained from the condensation of terephthaloyl chloride and 5,10,15,20-tetrakis(4-aminophenyl porphyrin, namely H 2 TAPP), which is an effective bifunctional electrocatalyst for the oxygen evolution reaction (OER) in basic conditions and …