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This study describes the development of covalent organic frameworks (COFs) with controlled stoichiometric variations that create electronic heterogeneity within the material structure. The researchers demonstrated that these engineered COFs can simultaneously photosynthesize hydrogen peroxide (H2O2) from water and oxygen while performing chemoselective oxidation reactions to upgrade fragrance molecules. The stoichiometry-driven approach allows precise tuning of the electronic properties at the molecular level, enabling dual-function catalysis in a single material system.
Why it matters
This work presents a sustainable method for producing hydrogen peroxide—an important industrial oxidant—using only light, water, and air, while simultaneously enabling selective chemical transformations of value-added compounds. The approach could reduce reliance on energy-intensive industrial H2O2 production and enable more environmentally friendly chemical manufacturing processes in pharmaceutical and fragrance industries.
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