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Modulating the mesomeric effect of PdSn alloy for efficient electrochemical C=O hydrogenation of lignin-derived aldehydes
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DOI：10.1016/j.apcatb.2026.126925.png)
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Abstract
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• PdSn alloy with Pdδ+–Snδ- pairs modulates the mesomeric effect for C=O hydrogenation. • PdSn achieves 82.9% vanillin conversion and >80% selectivity to vanillyl alcohol. • The PdSn catalyst exhibits 22.8 times higher H* coverage than pure Pd. • DFT reveals lower energy barriers for C=O activation and hydrogenation on PdSn. • PdSn shows excellent durability with negligible Pd leaching over 60 h of reaction.
Keywords:
PdSn alloy
mesomeric effect
C=O hydrogenation
lignin-derived aldehydes
electrochemical catalysis
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