Synergistic Visible-Light-Driven CO ₂ Reduction and H ₂ O Oxidation over Ti ₃ C ₂ Quantum Dot-Modified Cu/g-C ₃ N ₄ Photocatalysts

July 1, 2026Langmuir

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Key Points

The research aims to explore the efficiency of Ti3C2 quantum dot-modified Cu/g-C3N4 photocatalysts for simultaneous CO2 reduction and H2O oxidation using visible light.
Synthesis of Ti3C2 quantum dots and modification of Cu/g-C3N4 photocatalysts.
Evaluation of photocatalytic performance under visible light irradiation.
Measurements of CO2 reduction and H2O oxidation rates during the process.
Significant enhancement in CO2 reduction rates observed with Ti3C2 modified photocatalysts compared to unmodified ones.
H2O oxidation efficiency improved by 30% with the use of quantum dots, indicating better electron transfer capabilities.
Overall, the system shows a promising potential for sustainable energy applications.

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Investigates visible-light-driven CO2 reduction and H2O oxidation in quantum dot-modified photocatalysts, suggesting efficient energy conversion.

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Ji et al. (2026) studied this question.

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