Efficient CO2-to-CO conversion in dye-sensitized photocatalytic systems enabled by electrostatically-driven catalyst binding - CESES
Article Dans Une Revue EES Catalysis Année : 2024

Efficient CO2-to-CO conversion in dye-sensitized photocatalytic systems enabled by electrostatically-driven catalyst binding

Résumé

The development of noble metal-free dye-sensitized photocatalytic systems (DSPs) for CO2-to-CO conversion remains limited. Current literature primarily focuses on a single strategy: the simultaneous loading of both the photosensitizer (PS) and the catalyst (CAT) onto titanium dioxide nanoparticles (TiO2 NPs) using anchoring groups. Here, we introduce an innovative method through immobilizing a positively-charged molecular CAT onto negatively-charged PS-TiO2 NPs. Our approach yields promising results, including near-complete CO2-to-CO conversion (similar to 100% CO) and exceptional stability, achieving 1658 turnover numbers versus the CAT and an apparent quantum yield efficiency (AQY) of 16.9%.

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hal-04798764 , version 1 (22-11-2024)

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Vasilis Nikolaou, Palas Baran Pati, Hélène Terrisse, Marc Robert, Fabrice Odobel. Efficient CO2-to-CO conversion in dye-sensitized photocatalytic systems enabled by electrostatically-driven catalyst binding. EES Catalysis, 2024, 2 (6), pp.1314-1319. ⟨10.1039/d4ey00156g⟩. ⟨hal-04798764⟩
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