CO2 -Assisted Fabrication of Defect-Engineered Carbon Nitride for Enhanced Electrocatalytic Hydrogen Evolution.

Here, a defect-engineered carbon nitride (DCN) electrocatalyst has been synthesized by directly annealing of a rationally designed urea precursor. The existence of defect sites was investigated by detailed characterizations. When loading a small amount of Ru nanoparticles, the obtained DCN catalyst offers excellent catalytic activity for electrochemical hydrogen evolution reaction.