Generation of metal-nanoparticle colloidal solution by means of magnetron deposition on a liquid surface

Rogov, A. V.; Fanchenko, S. D.; Belova, N. E.

doi:10.1134/s1995078009110068

Cited by 3 publications

(5 citation statements)

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“…At initial steps, we can use the diffusion equation with allowance for dimerization (dimers can be viewed as critical nuclei [7]), Here, c is the concentration of embedded atoms; D is their diffusion coefficient in the liquid; and α is a fac tor that is given by the Smolukhovski formula [9],…”

Section: Resultsmentioning

confidence: 99%

“…We used a com pact dc magnetron as a sputterer and experimented with Au particles. It was shown earlier [7] that nano particles grow in a thin subsurface layer of the liquid in the sputtering area, where the concentration of embedded atoms is above critical. Subsequent stirring of the liquid results in a sharp decrease in the concen trations of embedded atoms and nanoparticles; as a result, the formation and growth of nanoparticles cease.…”

Section: Introductionmentioning

confidence: 97%

“…The respective method was sug gested in [6] and then considered in [7]. By analogy with the IGC method, it can be called the method of inert liquid condensation (ILC method).…”

Section: Introductionmentioning

confidence: 99%

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Formation of gold nanoparticles and their aggregates in a liquid at magnetron deposition

Rogov

Fanchenko

2012

Tech. Phys.

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The influence of magnetron deposition conditions on the size of Au nanoparticles and their aggre gates obtained by condensation in a neutral liquid is studied experimentally. A model is suggested in which the nanoparticles and aggregates form in a thin subsurface layer, which becomes oversaturated by atoms and resulting nanoparticles when the liquid flows through a localized deposition zone. The process stops when the products leave this zone because of stirring. The size of nanoparticles and aggregates depends on the particle flux density and exposure time in the deposition zone. The final size of nanoparticles depends on the exposure time only slightly, while that of aggregates significantly depends on the exposure time. This allows one to pre pare a concentrated solution of almost monodisperse nanoparticles with a low degree of aggregation by prop erly selecting deposition conditions and multiply passing the liquid through the deposition zone.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 97%

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Formation of gold nanoparticles and their aggregates in a liquid at magnetron deposition

Rogov

Fanchenko

2012

Tech. Phys.

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“…Active motion can be used to control diffusion and aggregation during deposition on liquid surfaces. For instance, Rogov et al circulated liquids via gravity driven laminar flow and a rotating cylinder during magnetron sputtering of Au onto vacuum oil to control the size and concentration of nanoparticle aggregates by tuning the liquid exposure time in the deposition zone and mixing the liquid. , …”

mentioning

confidence: 99%

“…For instance, Rogov et al circulated liquids via gravity driven laminar flow and a rotating cylinder during magnetron sputtering of Au onto vacuum oil to control the size and concentration of nanoparticle aggregates by tuning the liquid exposure time in the deposition zone and mixing the liquid. 13,14 Here for the first time we modify an existing iCVD chamber to actively modulate liquids in situ via sound. The modulation of liquids via sound was first reported by Faraday in 1831 when a hydrodynamic instability was generated at the liquid surface in the form of waves by the vertical oscillation produced by the application of a violin bow at the edge of a fluid filled container.…”

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confidence: 99%

Effects of Standing Waves on the Growth and Stability of Vapor Deposited Polymer Films

Karandikar

Luna

Gupta

2019

ACS Appl. Polym. Mater.

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We demonstrate that liquid substrates can be agitated in situ via sound during vapor phase polymerization. The effects of standing waves on the growth of polymer films at the vapor–liquid interface were studied by depositing poly(1H,1H,2H,2H-perfluorodecyl acrylate) and poly(1H,1H,2H,2H-perfluorodecyl acrylate-co-ethylene glycol diacrylate) onto an agitated silicone oil lens. It was found that continuous polymer films could be formed by the addition of a cross-linker. We also tested the mechanical stability of the polymer films on agitated liquids and found that the robustness of the films increased with the addition of cross-linker and increasing film thickness.

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Synthesis of gold nanoparticles in a biocompatible fluid from sputtering deposition onto castor oil

et al. 2010

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Generation of metal-nanoparticle colloidal solution by means of magnetron deposition on a liquid surface

Cited by 3 publications

References 5 publications

Formation of gold nanoparticles and their aggregates in a liquid at magnetron deposition

Formation of gold nanoparticles and their aggregates in a liquid at magnetron deposition

Effects of Standing Waves on the Growth and Stability of Vapor Deposited Polymer Films

Synthesis of gold nanoparticles in a biocompatible fluid from sputtering deposition onto castor oil

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