A superhydrophobic magnetic elastomer actuator for droplet motion control

Seo, Kwang Seok; Wi, Rinbok; Im, SungGap; Kim, Dohyun

doi:10.1002/pat.3190

Cited by 51 publications

(56 citation statements)

References 23 publications

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“…This property has been used for droplet transport using for example electric or magnetic fields. Seo et al used superhydrophobic magnetic elastomer and magnetic forces to control the movement of droplets towards digital microfluidics [146]. Draper et al incorporated prepatterned superhydrophobic surfaces inside microfluidics to allow movement, acceleration, merging and other control functions for droplets [147].…”

Section: Superhydrophobic Surfaces For Droplet Manipulation In Digitamentioning

confidence: 99%

Hierarchical micro and nano structured, hydrophilic, superhydrophobic and superoleophobic surfaces incorporated in microfluidics, microarrays and lab on chip microsystems

Gogolides

Ellinas

Tserepi

2015

Microelectronic Engineering

198

126

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Section: Superhydrophobic Surfaces For Droplet Manipulation In Digitamentioning

confidence: 99%

Hierarchical micro and nano structured, hydrophilic, superhydrophobic and superoleophobic surfaces incorporated in microfluidics, microarrays and lab on chip microsystems

Gogolides

Ellinas

Tserepi

2015

Microelectronic Engineering

198

126

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“…Reproduced with permission. [126] In the second place, the in-field synthesis provided a unique way to modulate structures in 3D-SPMAs, which is feasible to create certain distinctive materials. [36,37] For example, Gish et al fabricated the silica composite aerogels containing Nd 2 Fe 14 B particles in the presence of magnetic field (Figure 9d).…”

Section: Other Applicationsmentioning

confidence: 99%

3D Self‐Supporting Porous Magnetic Assemblies for Water Remediation and Beyond

Zhao

Zheng

et al. 2016

Advanced Energy Materials

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In the past few years, three‐dimensional self‐supporting porous magnetic assemblies (3D‐SPMAs) have emerged as a new research area in materials science because of their combined features of three‐dimensional self‐supporting porous assemblies (3D‐SPAs) and magnetic materials. Due to these attributes, 3D‐SPMAs gain numerous tempting properties such as magnetism‐induced actuating, magnetic shape memory effects, and alternative magnetic field (AMF) induced heat generation, showcasing huge potential in diverse applications stretching over water remediation, actuators, biomedical therapy, etc. Especially, 3D‐SPMAs displayed eminent potential in water remediation for their large processing capacity, remote controllability, and magnetic‐field‐mediated wettability. With the rising interest in 3D‐SPAs, the increasing understanding of magnetic materials, and the flourish of materials preparation technique, an upsurge has appeared in 3D‐SPMAs and thus managing them a class of emerging and promising functional materials. However, currently there are rarely review papers concerning 3D‐SPMAs. In this light, this review aims to express a comprehensive overview of this young field and fuel further innovations for preparation methods and practical applications of 3D‐SPMAs. The focus is placed on the synthetic strategies and applications especially in water remediation. The potential opportunities and challenges are also discussed.

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“…Seo et al achieved fast transport of droplets on a magnetoresponsive superhydrophobic elastomer surface. [71] The droplet movement could be easily controlled by local surface deformation of the elastomer under a varying magnetic field. Damodara et al also realized magnetoresponsive aqueous droplet manipulation by local deformation on a superhydrophobic surface with a CA of 175° and a sliding angle of less than 7°.…”

Section: Magnetoresponsive Solid Substratesmentioning

confidence: 99%

External‐Field‐Induced Gradient Wetting for Controllable Liquid Transport: From Movement on the Surface to Penetration into the Surface

Zhang

et al. 2017

Advanced Materials

103

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External‐field‐responsive liquid transport has received extensive research interest owing to its important applications in microfluidic devices, biological medical, liquid printing, separation, and so forth. To realize different levels of liquid transport on surfaces, the balance of the dynamic competing processes of gradient wetting and dewetting should be controlled to achieve good directionality, confined range, and selectivity of liquid wetting. Here, the recent progress in external‐field‐induced gradient wetting is summarized for controllable liquid transport from movement on the surface to penetration into the surface, particularly for liquid motion on, patterned wetting into, and permeation through films on superwetting surfaces with external field cooperation (e.g., light, electric fields, magnetic fields, temperature, pH, gas, solvent, and their combinations). The selected topics of external‐field‐induced liquid transport on the different levels of surfaces include directional liquid motion on the surface based on the wettability gradient under an external field, partial entry of a liquid into the surface to achieve patterned surface wettability for printing, and liquid‐selective permeation of the film for separation. The future prospects of external‐field‐responsive liquid transport are also discussed.

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A superhydrophobic magnetic elastomer actuator for droplet motion control

Cited by 51 publications

References 23 publications

Hierarchical micro and nano structured, hydrophilic, superhydrophobic and superoleophobic surfaces incorporated in microfluidics, microarrays and lab on chip microsystems

Hierarchical micro and nano structured, hydrophilic, superhydrophobic and superoleophobic surfaces incorporated in microfluidics, microarrays and lab on chip microsystems

3D Self‐Supporting Porous Magnetic Assemblies for Water Remediation and Beyond

External‐Field‐Induced Gradient Wetting for Controllable Liquid Transport: From Movement on the Surface to Penetration into the Surface

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