The rational design of electrocatalysts for hydrogen-involving transformations requires a detailed understanding of surface metal-hydrogen intermediates at the single-site level. Now, single-molecule fluorescence microscopy enables the direct visualization of these intermediates and reveals inter- and intra-particle heterogeneity during the hydrogen evolution reaction on Pd nanocubes.
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Chen, S., Huang, H. & Fang, N. A single-molecule view of surface Pd–H*. Nat Catal 8, 1129–1130 (2025). https://doi.org/10.1038/s41929-025-01442-2
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DOI: https://doi.org/10.1038/s41929-025-01442-2
