On the size dependence of the surface energy of metal nanoclusters

Samsonov, V. M.; Chernyshova, A. A.

doi:10.1134/s1061933x16030145

Cited by 7 publications

(1 citation statement)

References 23 publications

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“…Recently, much attention has been paid in the scientific literature to studying the effect of particle sizes on the surface properties of thermodynamic systems [6][7][8][9][10]. However, from these positions, suspensions of bentonites, as far as we know, have not been studied by anyone.…”

Section: Theory -Calculationmentioning

confidence: 99%

The Effect of Particle Sizes on the Concentration Dependence of the Surface Tension of Aqueous Suspensions of Bentonite

Dadashev

Dzhambulatov

Khasbulatova

et al. 2021

MSF

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The paper presents experimental results on the dependence of surface tension on the concentration of a suspension of bentonite (0 - 10% by weight). The isotherms σ of aqueous suspensions of bentonite are characterized by local minima in the concentration range of 3-4 mass% of the solid phase. It has been established that a decrease in the average particle size leads to the disappearance of the extremum on the surface tension isotherms. The data obtained led to the conclusion that the most important factors affecting the nature of the isotherms of the surface tension of bentonite suspensions are the degree of dispersion and the presence in the aqueous suspension of bentonite, both colloidal and coarse particles.

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Section: Theory -Calculationmentioning

confidence: 99%

The Effect of Particle Sizes on the Concentration Dependence of the Surface Tension of Aqueous Suspensions of Bentonite

Dadashev

Dzhambulatov

Khasbulatova

et al. 2021

MSF

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On the Size Dependences of the Metallic Nanoparticle Evaporation and Sublimation Heats: Thermodynamics and Atomistic Modeling

Bembel

2017

Russ Phys J

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Silver–Copper Alloy Nanoinks for Ambient Temperature Sintering

et al. 2022

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There is an increasing need to reduce the silver content in silver-based inks or pastes and achieve low-temperature sintering for scalable and low-cost production of printed wearable electronics. This need depends on the ability to control the metal composition and the surface properties of the nanoinks. Alloying silver with copper provides a pathway for meeting the need in terms of cost reduction, but little is known about the composition controllability and the low-temperature sintering capability. We report herein a scalable wet chemical synthesis of bimetallic silver–copper alloy nanoinks with room temperature sintering properties. The bimetallic alloy nanoparticles with a controllable composition can be formulated as stable nanoinks. The nanoinks printed on paper substrates are shown to sinter under room temperature. In addition to composition dependence, the results reveal an intriguing dependence of sintering on humidity above the printed nanoink films. These findings are assessed based on theoretical simulation of the sintering processes via surface-mediated sintering and interparticle necking mechanisms in terms of nanoscale adsorption, adhesion and diffusion, and surface free energies. Implications of the findings for room temperature fabrication of wearable sensors are also discussed.

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On the size dependence of the surface energy of metal nanoclusters

Cited by 7 publications

References 23 publications

The Effect of Particle Sizes on the Concentration Dependence of the Surface Tension of Aqueous Suspensions of Bentonite

The Effect of Particle Sizes on the Concentration Dependence of the Surface Tension of Aqueous Suspensions of Bentonite

On the Size Dependences of the Metallic Nanoparticle Evaporation and Sublimation Heats: Thermodynamics and Atomistic Modeling

Silver–Copper Alloy Nanoinks for Ambient Temperature Sintering

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