Semiconductor-based photocatalysts have been extensively studied in solar fuel generation. The solar conversion efficiency of semiconductors could be significantly improved by grafting single-site catalysts on their surfaces. We have prepared single Cu+ and Co2+ sites on TiO2 and C3N4 surfaces for use in solar CO2 reduction. Active sites on the photocatalysts were investigated with infrared and X-ray absorption spectroscopies. Such surface chemistry studies could provide important insights regarding the design of highly efficient photosynthetic systems.

Single-site catalysts on nanostructured semiconductor surfaces for solar CO2 reduction

2019 Fall National Meeting

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