Hidden Nanobubbles in Undersaturated Liquids

Guo, Zhenjiang; Liu, Yawei; Xiao, Qianxiang; Zhang, Xuehua

doi:10.1021/acs.langmuir.6b01766

Cited by 7 publications

(7 citation statements)

References 61 publications

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“…178 Literature often suggests that they can only occur in supersaturated gas solutions 187 and that their cavitation is only related to pressure gradients and variations, contrary to temperature change, 192 yet this is opposed by experimental and theoretical reports. 189,193,194 While most research on this topic is performed with water, nanobubbles have also been reported for aqueous ethanol solutions 195 and protic nonaqueous solvents. 196 Bulk phase nanobubbles can be as small as 10 nm in diameter, 179 but typical sizes range between 100 and 300 nm.…”

Section: Bubble Mechanism: the Existential Crisis Of Nanobubblesmentioning

confidence: 99%

Plasma physics of liquids—A focused review

Vanraes

Bogaerts

2018

Applied Physics Reviews

179

118

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The interaction of plasma with liquids has led to various established industrial implementations as well as promising applications, including high-voltage switching, chemical analysis, nanomaterial synthesis, and plasma medicine. Along with these numerous accomplishments, the physics of plasma in liquid or in contact with a liquid surface has emerged as a bipartite research field, for which we introduce here the term "plasma physics of liquids." Despite the intensive research investments during the recent decennia, this field is plagued by some controversies and gaps in knowledge, which might restrict further progress. The main difficulties in understanding revolve around the basic mechanisms of plasma initiation in the liquid phase and the electrical interactions at a plasma-liquid interface, which require an interdisciplinary approach. This review aims to provide the wide applied physics community with a general overview of the field, as well as the opportunities for interdisciplinary research on topics, such as nanobubbles and the floating water bridge, and involving the research domains of amorphous semiconductors, solid state physics, thermodynamics, material science, analytical chemistry, electrochemistry, and molecular dynamics simulations. In addition, we provoke awareness of experts in the field on yet underappreciated question marks. Accordingly, a strategy for future experimental and simulation work is proposed.

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Section: Bubble Mechanism: the Existential Crisis Of Nanobubblesmentioning

confidence: 99%

Plasma physics of liquids—A focused review

Vanraes

Bogaerts

2018

Applied Physics Reviews

179

118

View full text Add to dashboard Cite

show abstract

“…Tuziuti et al had also suggested, in the conclusion of their paper, that stable nanobubbles may exist in liquids undersaturated in gas. This hypothesis had previously been put forward by Guo et al [19] .…”

Section: Accepted Manuscriptmentioning

confidence: 80%

Bubble Solution Description by Non‐Extensive Thermodynamics: Pressure Effect

Letellier

Turmine

2019

ChemPhysChem

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We showed in this study that nanobubble solutions should not be considered as the simple juxtaposition of autonomous phases (a solution and bubbles) but as particular entities, i.e., "supersaturated solutions" where gas is simultaneously in two forms in permanent exchange.Gibbs' extensive Thermodynamics cannot claim to describe legitimately their behavior.In this work, we showed how the use of the nonextensive thermodynamics allows describing the physicochemical properties of such media, some of which are counter-intuitive. Thus, an increase in pressure can result in an increase in the bubble size, contrary to what is provided by Boyle-Mariotte's law. The theoretical relationships proposed in this work constitute another approach to bubble solutions, which considers the non-autonomous nature of the components of supersaturated gas solutions and their "nonextensive" nature.

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“…Nanobubble nucleation at surfaces has been shown to be possible even at low levels of overgassing (100-120%) with a temperature change of a few degrees around room temperature inhibiting or promoting nanobubble formation [75]. The presence of nanopits or crevices has been found to increase nanobubble stability [76,77], large holes in supported 2D membranes would play this role in the nanopore system. The mechanism of nanobubble nucleation and stability on 2D materials is something which would require further study, especially the role of surface contaminants.…”

Section: Bubbles With 2d Materialsmentioning

confidence: 99%

Wetting of nanopores probed with pressure

Marion,

Macha,

Davis

et al. 2019

Preprint

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Nanopores are both a tool to study single-molecule biophysics and nanoscale ion transport, but also a promising material for desalination or osmotic power generation. Understanding the physics underlying ion transport through nano-sized pores allows better design of porous membrane materials. Material surfaces can present hydrophobicity, a property which can make them prone to formation of surface nanobubbles. Nanobubbles can influence the electrical transport properties of such devices. We demonstrate an approach which uses hydraulic pressure to probe the electrical transport properties of solid state nanopores. We demonstrate how pressure can be used to wet pores, and how it allows control over bubbles in the nanometer scale range normally unachievable using only an electrical driving force. Molybdenum disulfide is then used as a typical example of a 2D material on which we demonstrate wetting and bubble induced nonlinear and linear conductance in the regimes typically used with these experiments. We show that by using pressure one can identify and evade wetting artifacts due to nanobubbles.

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Hidden Nanobubbles in Undersaturated Liquids

Cited by 7 publications

References 61 publications

Plasma physics of liquids—A focused review

Plasma physics of liquids—A focused review

Bubble Solution Description by Non‐Extensive Thermodynamics: Pressure Effect

Wetting of nanopores probed with pressure

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