Dynamic Behavior of Thiolate-Protected Gold-Silver 38-Atom Alloy Clusters in Solution

Niihori Yoshiki; Hashimoto Sayaka; Koyama Yuki; Hossain Sakiat; Kurashige Wataru; Negishi Yuichi

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Dynamic Behavior of Thiolate-Protected Gold-Silver 38-Atom Alloy Clusters in Solution

机译：硫醇保护金银38原子合金簇的动态行为

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This study examined the dynamic behavior of butanethiolate (SC4H9)-protected gold-silver 38-atom alloy clusters ([Au38-xAgx(SC4H9)(24)](0)) in solution using reversed-phase high-performance liquid chromatography and electrospray ionization mass spectrometry. The results revealed that [Au38-xAgx(SC4H9)(24)](0) synthesized by reacting [Au-38(SC4H9)(24)](0) with an Ag(I)-SC4H9 complex, which is the most frequently used method to synthesize gold-silver alloy clusters, continue to undergo intercluster metal exchange even after the distribution of the chemical composition of the clusters looks unchanged in the mass spectrum. The frequency of this intercluster metal exchange in solution varied depending on the standing time in solution and the synthesis method of [Au38-xAgx(SC4H9)(24)](0). These findings should be taken into consideration in future studies to realize deeper understanding of the physical and chemical properties of thiolate-protected gold-silver alloy clusters in solution.

机译：本研究检测了使用反相高效液相色谱和电喷雾的溶液（SC4H9） - 丁硫醇酯（SC4H9） - 保护的金银38-原子合金簇（SC4H9）的动态行为电离质谱。结果表明，通过反应[AU-38（SC4H9）]（24）]（0）与Ag（I）-SC4H9复合物合成，这是最常见的[AU-38（SC4H9）]（0）合成的[AU38-XAGX（SC 4H9）]（0）合成使用方法来合成金银合金簇，即使在簇的化学成分的分布在质谱中也保持不变之后，继续进行聚集簇金属交换。该溶液中该细胞间金属交换的频率根据溶液中的脱发时间和[AU38-XAGX（SC4H9）（24）]（0）的合成方法而变化。应考虑在未来的研究中考虑这些调查结果，以实现更深入地了解溶液中硫醇保护的金银合金簇的物理和化学性质。

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《The journal of physical chemistry, C. Nanomaterials and interfaces》 |2019年第21期|共6页
作者
Niihori Yoshiki; Hashimoto Sayaka; Koyama Yuki; Hossain Sakiat; Kurashige Wataru; Negishi Yuichi;
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Tokyo Univ Sci Dept Appl Chem Fac Sci Shinjuku Ku 1-3 Kagurazaka Tokyo 1628601 Japan;

Tokyo Univ Sci Dept Appl Chem Fac Sci Shinjuku Ku 1-3 Kagurazaka Tokyo 1628601 Japan;

Tokyo Univ Sci Dept Appl Chem Fac Sci Shinjuku Ku 1-3 Kagurazaka Tokyo 1628601 Japan;

Tokyo Univ Sci Dept Appl Chem Fac Sci Shinjuku Ku 1-3 Kagurazaka Tokyo 1628601 Japan;

Tokyo Univ Sci Dept Appl Chem Fac Sci Shinjuku Ku 1-3 Kagurazaka Tokyo 1628601 Japan;

Tokyo Univ Sci Dept Appl Chem Fac Sci Shinjuku Ku 1-3 Kagurazaka Tokyo 1628601 Japan;

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正文语种 eng
中图分类物理化学（理论化学）、化学物理学;
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1. Dynamic Behavior of Thiolate-Protected Gold-Silver 38-Atom Alloy Clusters in Solution [J] . Niihori Yoshiki, Hashimoto Sayaka, Koyama Yuki, The journal of physical chemistry, C. Nanomaterials and interfaces . 2019,第21期

机译：硫醇保护金银38原子合金簇的动态行为
2. Electrochemical Behavior of the Dissolution of Gold-Silver Alloys in Cyanide Solutions [J] . XIAOWFI SUN, Y. CHARLES GUAN Metallurgical and Materials Transactions, A. Physical Metallurgy and Materials Science . 1996,第3期

机译：金银合金在氰化物溶液中溶解的电化学行为
3. High-yield synthesis of PPh _3-ligated decanuclear Tl-Pd cluster, Pd _9[Tl(acac)](CO) _9(PPh _3) _6: Comparative analysis of Tl(I)-Pd(0) bonding connectivities with known Tl-Pd clusters and resulting insight concerning their dissimilar dynamic solution behavior [J] . Mednikov E.G., Vo N., Fry C.G., Organometallics . 2012,第7期

机译：PPh _3连接的去核Tl-Pd簇，Pd _9 [Tl（acac）]（CO）_9（PPh _3）_6的高产率合成：具有已知Tl的Tl（I）-Pd（0）键连接性的比较分析-Pd簇以及有关其不同动态解决方案行为的结果见解
4. ANODIC BEHAVIOR OF GOLD, SILVER, AND GOLD-SILVER ALLOYS IN AQUEOUS CYANIDE SOLUTIONS [C] . Tao Xue, Kwadwo Osseo-Asare TMS(The Minerals, Metals amp; Materials Society) Annual Meeting on Cyanide: Social, Industrial and Economic Aspects, Feb 12-15, 2001, New Orleans, Louisiana . 2001

机译：氰化物水溶液中金，银和金银合金的阳极行为
5. Insights into Large Thiolate-protected Gold Clusters and Nanoparticles [D] . Vergara Perez, Sandra Milena 2018

机译：深入了解硫醇盐保护的金簇和纳米颗粒
6. De-alloying Behavior of Mg–Al alloy in Sulphuric Acid and Acetic Acid Aqueous Solutions [O] . Yonggang Li, Yinghui Wei, Shengqiang Yang 2019

机译：镁铝合金在硫酸和醋酸水溶液中的脱合金行为
7. Role of spin-orbit coupling in the alloying behavior of multilayer Bi1−xSbx solid solutions revealed by a first-principles cluster expansion [O] . A. Ektarawong, T. Bovornratanaraks, B. Alling 2020

机译：旋转轨道耦合在多层BI1-XSBX固体溶液的合金行为中的作用，通过第一原理集群扩张揭示

Dynamic Behavior of Thiolate-Protected Gold-Silver 38-Atom Alloy Clusters in Solution

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