Synthesis of graphitic carbon nitride-based photocatalysts for hydrogen evolution under visible light

The optimal conditions for the synthesis of platinized graphitic carbon nitride (Pt/g-C₃N₄) have been found. It was investigated as a catalyst for the production of hydrogen from aqueous solutions of triethanolamine (TEOA) under irradiation with visible light. The highest photocatalytic activity of 450μmolh⁻¹g⁻¹ and an apparent quantum efficiency of 1.1% were demonstrated by the 1% Pt/g-C₃N₄ sample prepared from melamine by calcining at 600°C for 2h.