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PHOTOCATALYSIS

Light side of nitrogen fixation

Ammonia synthesis is of great interest owing to its use in fertilizers and as an energy carrier. However, it is challenging to develop a low-energy catalytic process for the formation of weak N–H bonds. Now, a photocatalytic system harnesses visible light to promote ammonia formation from N2 and H2.

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Fig. 1: Photocatalytic NH3 formation of a N2-derived Mo-nitride complex using energy from visible blue light, an Ir–hydride photocatalyst and H2.

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Correspondence to Michael T. Mock.

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Mock, M.T. Light side of nitrogen fixation. Nat. Synth 1, 262–263 (2022). https://doi.org/10.1038/s44160-022-00057-w

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