Isomerizations of a Pt4 cluster revealed by spatiotemporal microscopic analysis
Isomerizations of a Pt4 cluster revealed by spatiotemporal microscopic analysis
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DOI：
10.1039/c9cc00530g
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发表时间：
2019-04-28
影响因子：
4.9
通讯作者：
Yamamoto, Kimihisa
中科院分区：
文献类型：
--
作者：
Imaoka, Takane;Toyonaga, Tetsuya;Yamamoto, Kimihisa
我们现在报告了对四原子铂团簇（Pt-4）随机穿越几个异构体的流动性质的第一次直接观察。通过cs校正的透射电子显微镜进行时移分析，我们获得了每个簇异构体在亚埃空间分辨率和0.2 s时间分辨率下的原子坐标。分析表明，异构化反应遵循简单的一级动力学模型。
We now report the first direct observation of the fluxional nature in which the four-atomic platinumcluster (Pt-4) randomly walks through several isomers. Time-lapse analysis by a Cs-corrected transmission electron microscope allowed us to acquire the atomic coordinates at a sub-angstrom space resolution and 0.2 s time resolution for each cluster isomer. The analysis revealed that the isomerization follows a simple first-order kinetic model.