scholarly journals Non-wetting drops at liquid interfaces: from liquid marbles to Leidenfrost drops

Soft Matter ◽  
2017 ◽  
Vol 13 (31) ◽  
pp. 5250-5260 ◽  
Author(s):  
Clint Y. H. Wong ◽  
Mokhtar Adda-Bedia ◽  
Dominic Vella
Keyword(s):  
Liquid Interface ◽  
Liquid Interfaces ◽  
Liquid Marbles ◽  
Liquid Marble

We study the flotation of deformable, non-wetting drops at a liquid interface – a scenario that may be observed with a liquid marble floating on water, Leidenfrost drops, or by making the interface itself hydrophobic.

scholarly journals Liquid marble based digital microfluidics – fundamentals and applications

Lab on a Chip ◽  
2021 ◽  
Author(s):  
Chin Hong Ooi ◽  
Raja Vadivelu ◽  
Jing Jin ◽  
Sreejith Kamalalayam Rajan ◽  
Pradip Singha ◽  
...  
Keyword(s):  
Low Cost ◽  
Digital Microfluidics ◽  
Ease Of Use ◽  
Liquid Marbles ◽  
Liquid Marble

Liquid marbles are droplets with volume typically on the order of microliters coated with hydrophobic powder. The versatility, ease of use and low cost make liquid marbles an attractive platform...

Non-iridescent structural color pigments from liquid marbles

2015 ◽  
Vol 3 (26) ◽  
pp. 6607-6612 ◽  
Author(s):  
Hongcheng Gu ◽  
Baofen Ye ◽  
Haibo Ding ◽  
Cihui Liu ◽  
Yuanjin Zhao ◽  
...  
Keyword(s):  
Structural Color ◽  
Liquid Marbles ◽  
Liquid Marble ◽  
Colloidal Arrays

Non-iridescent structural color pigments with hierarchical micro/nanostructures and ordered/amorphous colloidal arrays on their surfaces were generated from liquid marble microreactors.

scholarly journals Shining light on the solid–liquid interface: in situ/operando monitoring of surface catalysis

2020 ◽  
Vol 10 (16) ◽  
pp. 5362-5385
Author(s):  
Leila Negahdar ◽  
Christopher M. A. Parlett ◽  
Mark A. Isaacs ◽  
Andrew M. Beale ◽  
Karen Wilson ◽  
...  
Keyword(s):  
Liquid Interface ◽  
Solid Catalyst ◽  
Chemical Transformations ◽  
Liquid Interfaces ◽  
Surface Catalysis ◽  
Catalytically Active ◽  
Solid Liquid Interface ◽  
Solid Liquid ◽  
Insight Into

Many industrially important chemical transformations occur at the interface between a solid catalyst and liquid reactants. In situ and operando spectroscopies offer unique insight into the reactivity of such catalytically active solid–liquid interfaces.

Infrared Thermal Image on Vapor-Liquid Interface in Capillary Microgrooves Heat Sink

2009 ◽  
Author(s):  
Tao Wang ◽  
Xuegong Hu ◽  
Dawei Tang ◽  
Chaohong Guo
Keyword(s):  
Temperature Distribution ◽  
Heat Sink ◽  
Solid Wall ◽  
Thermal Image ◽  
Liquid Interface ◽  
Liquid Interfaces ◽  
Average Temperature ◽  
Solid Walls ◽  
Working Liquid ◽  
Vapor Liquid

An infrared thermoviewer is utilized to measure the temperature distribution on solid walls and vapor-liquid interfaces of the rectangular capillary microgrooves heat sink, which is made of borosilicate glass. The infrared thermal image clearly shows that the solid wall temperature of microgroove top is lower than the average temperature of vapor-liquid interface. The results indicate that heat source position has a significant influence on the microgrooves surface temperature distribution, besides working liquid, tilt angle (the angle between microgroove surface and gravity direction) and heat flux.

Contactless sensing of liquid marbles for detection, characterisation & computing

Lab on a Chip ◽  
2020 ◽  
Vol 20 (1) ◽  
pp. 136-146 ◽  
Author(s):  
Thomas C. Draper ◽  
Neil Phillips ◽  
Roshan Weerasekera ◽  
Richard Mayne ◽  
Claire Fullarton ◽  
...  
Keyword(s):  
Liquid Marbles ◽  
Liquid Marble

New liquid marble sensor exploits impedance to detect presence of liquid marbles, whilst also providing characterisation information.

Influence of gold species (AuCl4−and AuCl2−) on self-assembly of PS-b-P2VP in solutions and morphology of composite thin films fabricated at the air/liquid interfaces

2016 ◽  
Vol 18 (3) ◽  
pp. 1945-1952 ◽  
Author(s):  
Xingjuan Zhao ◽  
Qian Wang ◽  
Xiaokai Zhang ◽  
Yong-Ill Lee ◽  
Hong-Guo Liu
Keyword(s):  
Thin Films ◽  
Block Copolymers ◽  
Self Assembly ◽  
Adsorption Process ◽  
Composite Films ◽  
Liquid Interface ◽  
Liquid Interfaces ◽  
Composite Thin Films ◽  
Functional Composite ◽  
Air Liquid Interface

A new and facile approach was developed to fabricate functional composite films of block copolymers at the air/liquid interface through a self-emulsification, self-assembly and adsorption process.

Properties of liquid marbles

2006 ◽  
Vol 462 (2067) ◽  
pp. 973-999 ◽  
Author(s):  
Pascale Aussillous ◽  
David Quéré
Keyword(s):  
Contact Line ◽  
Liquid Drops ◽  
Liquid Marbles ◽  
Liquid Marble

Liquid marbles are liquid drops made non-wetting by the use of a powder which coats them. Because of the absence of a contact line, quick motions without leakage of small amounts of liquid are allowed, which can be of interest in microfluidic applications. After characterizing the static liquid marble, we focus on its properties and study experimentally the viscous motion of liquid marbles. Then, we describe qualitatively possible ways for putting marbles into motion and quantify the robustness of this object.

scholarly journals Determining the composition of the vacuum–liquid interface in ionic-liquid mixtures

2018 ◽  
Vol 206 ◽  
pp. 497-522 ◽  
Author(s):  
E. J. Smoll ◽  
M. A. Tesa-Serrate ◽  
S. M. Purcell ◽  
L. D’Andrea ◽  
D. W. Bruce ◽  
...  
Keyword(s):  
Molecular Dynamics ◽  
Surface Tension ◽  
Ionic Liquid ◽  
Molecular Dynamics Simulations ◽  
Liquid Mixtures ◽  
Liquid Interface ◽  
Liquid Interfaces ◽  
Dynamics Simulations

The vacuum–liquid interfaces of a number of ionic-liquid mixtures have been investigated using a combination of RAS-LIF, selected surface tension measurements, and molecular dynamics simulations.

scholarly journals Structure and Hydrogen Bonds of Hydrophobic Deep Eutectic Solvent-Aqueous Liquid-Liquid Interfaces

2021 ◽  
Author(s):  
Usman Abbas ◽  
Qi Qiao ◽  
Manh Tien Nguyen ◽  
Jian Shi ◽  
Qing Shao
Keyword(s):  
Dipole Moment ◽  
Hydrogen Bonds ◽  
Deep Eutectic Solvent ◽  
Deep Eutectic Solvents ◽  
Decanoic Acid ◽  
Structural Features ◽  
Liquid Interface ◽  
Organic Substrates ◽  
Liquid Interfaces ◽  
Extraction Ability

Hydrophobic deep eutectic solvents (DESs) emerge as candidates to extract organic substrates from aqueous solutions. The DES-aqueous liquid-liquid interface plays a vital role in the extraction ability of hydrophobic DES because the non-bulk structure of molecules at the interface could cause thermodynamic and kinetic barriers. One question is how the DES compositions affect the structural features of the DES-aqueous liquid-liquid interface. We investigate the density profile, dipole moment and hydrogen bonds of eight hydrophobic DES-aqueous liquid-liquid interfaces using molecular dynamics simulations. The eight DESs are composed of four organic compounds: decanoic acid, menthol, thymol, and lidocaine. The simulation results show the variations of dipole moment and hydrogen bond structure and dynamics at the liquid-liquid interfaces. Such variations could influence the extraction ability of DES through adjusting the partition and kinetics of organic substrates in the DES-aqueous biphasic systems.

Quantification of order in the liquid at a solid-liquid interface by high-resolution transmission electron microscopy (HRTEM)

1996 ◽  
Vol 54 ◽  
pp. 114-115
Author(s):  
J. M. Howe
Keyword(s):  
Atomic Structure ◽  
Crystal Surface ◽  
Supercooled Liquid ◽  
Liquid Interface ◽  
Liquid Interfaces ◽  
Theoretical Approaches ◽  
Transmission Electron ◽  
Theoretical Investigations ◽  
Solid Liquid Interface ◽  
Solid Liquid

A number of different theoretical approaches have been used to model the atomic structure and properties of solid-liquid interfaces. Most calculations indicate that ordering occurs in the first several layers of the liquid, adjacent to the crystal surface. In contrast to the numerous theoretical investigations, there have been no direct experimental observations of the atomic structure of a solid-liquid interface for comparison. Saka et al. examined solid-liquid interfaces in In and In-Sb at lattice-fringe resolution in the TEM, but their data do not reveal information about the atomic structure of the liquid phase. The purpose of this study is to determine the atomic structure of a solid-liquid interface using a highly viscous supercooled liquid, i.e., a crystal-amorphous interface.

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