Novel hybrids of graphitic carbon nitride sensitized with free-base meso-tetrakis(carboxyphenyl) porphyrins for efficient visible light photocatalytic hydrogen production

[Display omitted] •Novel hybrids of g-C3N4/free-base meso-tetrakis(carboxyphenyl) porphyrins were prepared.•The sensitization of g-C3N4 with the porphyrins greatly improves charge carrier separation, enhancing the photocatalytic activity.•The chemical structure of the porphyrins and the porphyrin/g-...

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