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  Nonconvex morphology of metallic copper obtained via nonclassical crystallization of copper hydride

Soroka, I. L., Norrfors, K. K., & Tarakina, N. V. (2019). Nonconvex morphology of metallic copper obtained via nonclassical crystallization of copper hydride. Crystal Growth & Design, 19(9), 5275-5282. doi:10.1021/acs.cgd.9b00689.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0004-6277-8 Version Permalink: http://hdl.handle.net/21.11116/0000-0004-C606-6
Genre: Journal Article

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 Creators:
Soroka, Inna L., Author
Norrfors, Knapp Karin, Author
Tarakina, Nadezda V.1, Author              
Affiliations:
1Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_1863288              

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Free keywords: Copper hydride, oxygen-free copper, non-classical crystallization pathway
 Abstract: Copper particles with desert rose morphology and high surface area were obtained via decomposition of a copper hydride which particles possesses a similar shape. Copper hydride was synthesized by the reaction between copper sulphate and hypophosphorous acid at 50ºC. The different reaction steps of the copper hydride formation were monitored by two time-dependent techniques: in situ photon cross correlation spectroscopy (PCCS) and ex situ transmission electron microscopy (TEM). At the initial stage of the reaction, emulsion droplets of a particular size were formed, followed by the growth and agglomeration of copper hydride crystallites in the confinement of these droplets. The final structure consists of rose-like shaped particles with an average size of about 217 ± 53 nm arranged into chains. The surface area of these particles was estimated to be 41 8 m2/g. The nucleation and growth of the copper hydride occur via non-classical crystallization pathway.

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 Dates: 2019-07-17
 Publication Status: Published online
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 Rev. Method: -
 Identifiers: DOI: 10.1021/acs.cgd.9b00689
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Title: Crystal Growth & Design
  Other : Cryst. Growth Des.
Source Genre: Journal
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Publ. Info: Washington, DC : American Chemical Society
Pages: - Volume / Issue: 19 (9) Sequence Number: - Start / End Page: 5275 - 5282 Identifier: ISSN: 1528-7483