Trapping shape-controlled nanoparticle nucleation and growth stages via continuous-flow chemistry

Continuous flow chemistry is used to trap the nucleation and growth stages of platinum-nickel nano-octahedra with second time resolution and high throughputs to probe their properties ex situ. The growth starts from poorly crystalline particles (nucleation) at 5 seconds, to crystalline 1.5 nm partic...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2017-02, Vol.53 (16), p.2495-2498
Main Authors: LaGrow, Alec P, Besong, Tabot M D, AlYami, Noktan M, Katsiev, Khabiboulakh, Anjum, Dalaver H, Abdelkader, Ahmed, Costa, Pedro M F J, Burlakov, Victor M, Goriely, Alain, Bakr, Osman M
Format: Article
Language:English
Subjects:
Continuous flow
Crystal structure
Nanoparticles
Nanostructure
Nucleation
Platinum
Trapping
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Summary:Continuous flow chemistry is used to trap the nucleation and growth stages of platinum-nickel nano-octahedra with second time resolution and high throughputs to probe their properties ex situ. The growth starts from poorly crystalline particles (nucleation) at 5 seconds, to crystalline 1.5 nm particles bounded by the {111}-facets at 7.5 seconds, followed by truncation and further growth to octahedral nanoparticles at 20 seconds.
ISSN:1359-7345
1364-548X
DOI:10.1039/c6cc08369b