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Controlled growth of nanoparticles from solution with in situ liquid transmission electron microscopy.


ABSTRACT: 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.

SUBMITTER: Evans JE 

PROVIDER: S-EPMC3162246 | biostudies-literature | 2011 Jul

REPOSITORIES: biostudies-literature

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Controlled growth of nanoparticles from solution with in situ liquid transmission electron microscopy.

Evans James E JE   Jungjohann Katherine L KL   Browning Nigel D ND   Arslan Ilke I  

Nano letters 20110527 7


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  ...[more]

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