Researchers at TU Wien have developed a new hybrid catalyst by engineering zeolitic imidazolate frameworks (ZIFs) with dual organic ligands, significantly enhancing their performance for (photo)electrocatalytic water splitting. This breakthrough, published in Nature Communications, improves ZIF stability and conductivity, crucial for long-term oxygen production and hydrogen generation. By precisely combining ligands, the team achieved a uniform structure that strengthens bonds with cobalt, resulting in a protective cobalt oxyhydroxide layer during reactions and preventing framework degradation. The enhanced material demonstrates 10 times higher conductivity and oxygen evolution reaction (OER) rates. This innovation has promising applications in clean energy technologies, including catalysis and solar energy conversion, while setting a foundation for advancements in other metal-organic frameworks.
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