A porphyrin polyethylenimine polymer as an effective photosensitiser for hydrogen evolution

Puntos clave

• The study aims to explore the effectiveness of a polyethylenimine-porphyrin polymer as a photosensitiser for hydrogen evolution.
• Synthesis of polyethylenimine-porphyrin polymer (PEI-ZnTPP).
• Incorporation of polymer into TiO2 photocatalytic systems.
• Measurement of hydrogen evolution rates under light exposure.
• Achieved a hydrogen evolution rate of 34,675 µmol g−1 h−1.
• Demonstrated one of the highest rates for polymer-TiO2 composites.
• Established the effectiveness of the new polymer in photocatalytic applications.