Preparation and characterization of uniform particles of pure and coated metallic copper

Hsu, Wan Peter; Yu, Rongchi; Matijević, Egon

doi:10.1016/0032-5910(90)80052-z

Cited by 34 publications

(13 citation statements)

References 6 publications

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“…Similarly, nanosized silica was deposited on a range of larger inorganic particles, thus forming a protective layer. [91,92] Nanocomposite multilayers can be assembled on particle surfaces by using the LbL method based on colloidal templates, as described in Section 2.2. Several research groups have employed the above procedure to fabricate particles consisting of a solid core covered with either a single layer of nanoparticles or a composite multilayer shell.…”

Section: Controlled Assembly Of Preformed Nanoparticlesmentioning

confidence: 99%

Nanoengineering of Particle Surfaces

2001

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The creation of core–shell particles is attracting a great deal of interest because of the diverse applicability of these colloidal particles; e.g., as building blocks for photonic crystals, in multi‐enzyme biocatalysis, and in drug delivery. This review presents the state‐of‐the‐art in strategies for engineering particle surfaces, such as the layer‐by‐layer deposition process (see Figure), which allows fine control over shell thickness and composition.

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Section: Controlled Assembly Of Preformed Nanoparticlesmentioning

confidence: 99%

Nanoengineering of Particle Surfaces

2001

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“…There are several methods for preparing nano to micron sized copper powder, including a mild hydrothermal process (Liu et al 2007), a pulsed power technique (Sarathi et al 2006), mechanical milling (Wu et al 1998;Srikanth et al 2004) and wet chemical methods (Hsu et al 1990;Kim et al 2007). Previous authors were able to obtain up to 20 g solid particles (Hsu et al 1990) and should be considered as low yield.…”

Section: Introductionmentioning

confidence: 96%

Preparation of copper and silicon/copper powders by a gas evaporation-condensation method

et al. 2009

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Pure and silicon-coated metal copper nano to submicron-sized powders were prepared by gas evaporation and condensation. This powder was synthesized by using an industrial electron accelerator, ELV-6, with Ar as the carrier gas. Vapour from the liquefied metal surface was transferred to the cold zone by the carrier gas and precipitated as spherical Cu metal and Si/Cu composite powders. The mean diameter of the resulting powder was 100-200 nm.

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“…In all these cases the process of crystallization is simi-crystal growth mechanism is different from that involved in lar to the model of cluster aggregation (23, 24). It is also the formation of MgF 2 , but is similar to the precipitation of expected the condensation of cluster-forming species to vary uniform silver halides (24, 26) or cubic copper sols (27). according to the difference in the properties of precursor particles, including their crystal habit (5,25).…”

Section: Discussionmentioning

confidence: 96%