High-pressure pump–probe experiments reveal the mechanism of excited-state proton-coupled electron transfer and a shift from stepwise to concerted pathways

Nature Chemistry, Published online: 20 March 2025; doi:10.1038/s41557-025-01772-5

Chemical energy conversion and storage rely on the selective movement of protons and electrons, thus understanding these processes is important for applications. Now experiments at elevated pressures are shown to identify excited-state proton-coupled electron transfer mechanisms and to facilitate merging proton transfer with subsequent electron transfer steps towards a concerted pathway.

​Nature Chemistry, Published online: 20 March 2025; doi:10.1038/s41557-025-01772-5Chemical energy conversion and storage rely on the selective movement of protons and electrons, thus understanding these processes is important for applications. Now experiments at elevated pressures are shown to identify excited-state proton-coupled electron transfer mechanisms and to facilitate merging proton transfer with subsequent electron transfer steps towards a concerted pathway. Read More

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