Nature 正刊· Minjie Zhao·· 25 天前AI 评分58
KRh@MFI 分子筛中稳定的 Rh3+ 位点实现区域选择性氢甲酰化
Rh 3+ stabilized in KRh@MFI catalyses regioselective hydroformylation
AI 摘要
Nature 刊发研究,在 KRh@MFI 分子筛催化剂中稳定住 Rh3+ 位点,实现区域选择性更高的氢甲酰化反应。研究结合 DFT 计算、光谱表征与催化实验,发现亚纳米 Rh2O3 团簇被打散后,Rh+ 中心被含氮分子占据,而 Rh3+ 位点得以稳定保留。该结果给出了通过分子筛限域调控 Rh 价态来改变催化选择性的路线。
正文 · 原文
Nature, Published online: 14 October 2026; doi:10.1038/s41586-026-11136-9
DFT investigations combined with spectroscopic and catalytic studies of disrupted subnanometric Rh2O3 clusters show that Rh+ centres in a zeolite-based catalyst are blocked with N-containing molecules, whereas Rh3+ sites are stabilized, allowing hydroformylation reactions with enhanced regioselectivity and efficiency.
来源:Nature 正刊 · nature.com
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