Controlled Growth of Nanoparticles from Solution with In Situ Liquid Transmission Electron Microscopy

被引：298

作者：

Evans, James E. ^{[1
,3
]}

Jungjohann, Katherine L. ^{[2
]}

Browning, Nigel D. ^{[1
,2
,3
]}

Arslan, Ilke ^{[2
]}

机构：

[1] Univ Calif Davis, Dept Mol & Cellular Biol, Davis, CA 95616 USA

[2] Univ Calif Davis, Dept Chem Engn & Mat Sci, Davis, CA 95616 USA

[3] Lawrence Livermore Natl Lab, Phys Life Sci Directorate, Livermore, CA 94550 USA

来源：

NANO LETTERS | 2011年 / 11卷 / 07期

关键词：

In situ TEM; liquid TEM; fluid TEM; nanoparticle growth; dynamic TEM; DTEM;

D O I：

10.1021/nl201166k

中图分类号：

O6 [化学];

学科分类号：

070301 [无机化学];

摘要：

Direct visualization of lead sulfide nanoparticle growth is demonstrated by selectively decomposing a chemical precursor from a multicomponent solution using in situ liquid transmission electron microscopy. We demonstrate reproducible control over growth mechanisms that dictate the final morphology of nanostructures while observing growth in real-time with subnanometer spatial resolution. Furthermore, while an intense electron beam can initiate nanoparticle growth, it is also shown that a laser can trigger the reaction independently of the imaging electrons.

引用

页码：2809 / 2813

页数：5

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