Given the urgent need for transforming how we use and produce energy, researchers are working hard to find sustainable and cost-effective materials for light-driven chemical applications. To date, this research field heavily relies on expensive precious metal or rare-earth metal complexes with limited abundance in Earth's crust.
While significant progress has been made in recent years establishing alternatives using earth-abundant elements, these materials are usually very difficult to make as production requires resource-intensive multi-step syntheses.
In their paper,"Stable Molybdenum Carbonyl Complex for Upconversion and Photoredox Catalysis," published in the, the researchers introduce a novel approach to the design of stable photoactive complexes based on a molybdenum atom in combination with carbonyl ligands. The synthesis of this molecule is very simple and requires only two steps.
Using the sophisticated laser spectrometers available at JGU, MPIP, and RPTU, the team showed that the absorption of light populates an excited state in the complex which persists over several hundred nanoseconds.to be used in photochemical transformations," explained Winald Kitzmann."In fact, the nature of this state is well known from materials based on precious metals, so we already knew how to make best use of it.
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