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硫醇盐保护的金纳米团簇空气氧化反应的定量分析

Quantitative analysis of air-oxidation reactions of thiolate-protected gold nanoclusters.

作者信息

Suzuki Wataru, Takahata Ryo, Mizuhata Yoshiyuki, Tokitoh Norihiro, Xue Songlin, Teranishi Toshiharu

机构信息

Institute for Chemical Research, Kyoto University Uji Kyoto 611-0011 Japan

Graduate School for Science, Kyoto University Uji Kyoto 611-0011 Japan.

出版信息

Chem Sci. 2024 Oct 17;15(45):18896-902. doi: 10.1039/d4sc02995j.

DOI:10.1039/d4sc02995j
PMID:39464616
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11503621/
Abstract

The interaction of dioxygen (O) with inorganic nanomaterials is one of the most essential steps to understanding the reaction mechanism of O-related reactions. However, quantitative analyses for O-binding processes and subsequent oxidation reactions on the surface are still elusive, whereas the reaction of O with molecules such as transition metal complexes has been widely explored. Herein, we have quantitatively evaluated reaction processes of air-oxidation reactions of atomically precise thiolate-protected Au nanoclusters ([Au(SR)]) as a model of O activation by inorganic nanomaterials. Kinetic analyses on the air-oxidation reaction of [Au(SR)] revealed a controlling factor for O-activation processes, which could be finely tunable by the protecting thiolate ligands.

摘要

双原子氧（O₂）与无机纳米材料的相互作用是理解与O₂相关反应机理的最关键步骤之一。然而，对于表面上O₂结合过程及后续氧化反应的定量分析仍然难以实现，而O₂与过渡金属配合物等分子的反应已得到广泛研究。在此，我们以原子精确的硫醇盐保护的金纳米团簇（[Au(SR)₂]）作为无机纳米材料激活O₂的模型，对其空气氧化反应的过程进行了定量评估。对[Au(SR)₂]空气氧化反应的动力学分析揭示了O₂激活过程的一个控制因素，该因素可通过保护硫醇盐配体进行精细调节。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca28/11578261/14155e0bf7dc/d4sc02995j-f5.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca28/11578261/14155e0bf7dc/d4sc02995j-f5.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca28/11578261/ee385c570379/d4sc02995j-s1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca28/11578261/231539af541d/d4sc02995j-f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca28/11578261/9a1fad9723f4/d4sc02995j-f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca28/11578261/182f0d2d141f/d4sc02995j-f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca28/11578261/09fa3f8ff83e/d4sc02995j-f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/ca28/11578261/14155e0bf7dc/d4sc02995j-f5.jpg

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