AI Article Synopsis
- Twelve naphthochromenone photocatalysts (PCs) were developed, capable of absorbing light across the UV/Vis spectrum and exhibiting a wide redox window of up to 3.22 eV, effective under simple visible light sources like CFL or LED.
- These PCs possess high excited-state redox potentials, allowing them to participate in both oxidative and reductive processes, demonstrating strong thermodynamic capabilities for diverse chemical reactions.
- Their performance in challenging photocatalytic reactions highlights their unique ability to facilitate both types of photoreactions, marking a significant step forward in achieving efficient, sustainable, and cost-effective photocatalysis solutions.
Article Abstract
Twelve naphthochromenone photocatalysts (PCs) were synthesized on gram scale. They absorb across the UV/Vis range and feature an extremely wide redox window (up to 3.22 eV) that is accessible using simple visible light irradiation sources (CFL or LED). Their excited-state redox potentials, PC*/PC (up to 1.65 V) and PC /PC* (up to -1.77 V vs. SCE), are such that these novel PCs can engage in both oxidative and reductive quenching mechanisms with strong thermodynamic requirements. The potential of these bimodal PCs was benchmarked in synthetically relevant photocatalytic processes with extreme thermodynamic requirements. Their ability to efficiently catalyze mechanistically opposite oxidative/reductive photoreactions is a unique feature of these organic photocatalysts, thus representing a decisive advance towards generality, sustainability, and cost efficiency in photocatalysis.
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| http://dx.doi.org/10.1002/anie.201912455 | DOI Listing |
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