Light-driven ethanol dehydrogenation for hydrogen production over CuPt bimetallic catalysts†

Industrial Chemistry & Materials Pub Date : 2025-03-14 DOI:10.1039/D4IM00158C

Shihao Du, Run Shi, Jiaqi Zhao, Pu Wang, Jinhu Wang, Zhenhua Li, Peng Miao, Qianqian Shang, Chi Duan and Tierui Zhang

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Abstract

The ethanol dehydrogenation (ED) reaction is considered a sustainable pathway for hydrogen production. However, the ED reaction is energy-intensive as it requires high temperatures. Here, we report a layered double hydroxide-derived catalyst composed of CuPt bimetallic nanoparticles for efficient light-driven ED reaction without additional thermal energy input, achieving a hydrogen production rate of 136.9 μmol g⁻¹ s⁻¹. This rate is 1.4 times higher than that achieved at the same temperature in the dark. Experimental results and theoretical simulations suggest that the localized surface plasmon resonance (LSPR) effect of Cu reduces the apparent activation energy of the light-driven ED reaction. The presence of Pt nanoparticles around Cu enhances the LSPR effect, thereby significantly increasing the hydrogen production efficiency.

Keywords: Light-driven; Ethanol dehydrogenation; Hydrogen production; LSPR.

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CuPt双金属催化剂上的光驱动乙醇脱氢制氢†

乙醇脱氢（ED）反应被认为是一种可持续的制氢途径。然而，ED反应是能源密集型的，因为它需要高温。在这里，我们报道了一种由CuPt双金属纳米颗粒组成的层状双氢氧化物衍生催化剂，用于高效的光驱动ED反应，无需额外的热能输入，氢的产率达到136.9 μmol g−1 s−1。这个速率是在黑暗中相同温度下的1.4倍。实验结果和理论模拟表明，Cu的局域表面等离子体共振（LSPR）效应降低了光驱动ED反应的表观活化能。Pt纳米粒子在Cu周围的存在增强了LSPR效应，从而显著提高了制氢效率。关键词:Light-driven;乙醇脱氢;制氢;LSPR。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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