Search Results - "Hwang, Woonbong"
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Robust and continuous oil/water separation with superhydrophobic glass microfiber membrane by vertical polymerization under harsh conditions
Published in Scientific reports (08-12-2020)“…We report a robust and continuous oil/water separation with nanostructured glass microfiber (GMF) membranes modified by oxygen plasma treatment and…”
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2
Successive four-phase liquid separation using hierarchical microcube-nanohole structure and controlled surface wettability meshes
Published in Scientific reports (24-04-2019)“…The chemical industry needs filter systems with selective wetting properties for environmental protection and effective liquid separation. Current…”
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3
Energy harvesting model of moving water inside a tubular system and its application of a stick-type compact triboelectric nanogenerator
Published in Nano research (01-08-2015)“…As the first invention to efficiently harvest electricity from ambient mechanical energy by using contact electrification, the triboelectric nanogenerator has…”
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4
3D Cell Printing of Functional Skeletal Muscle Constructs Using Skeletal Muscle-Derived Bioink
Published in Advanced healthcare materials (01-10-2016)“…Engineered skeletal muscle tissues that mimic the structure and function of native muscle have been considered as an alternative strategy for the treatment of…”
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5
Frosting and defrosting on rigid superhydrohobic surface
Published in Applied surface science (01-07-2013)“…► As the water contact angle increases, a greater degree of supercooling is necessary because the energy barrier increases with the contact angle. ►…”
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6
Facile stamp patterning method for superhydrophilic/superhydrophobic surfaces
Published in Applied physics letters (16-11-2015)“…Patterning techniques are essential to many research fields such as chemistry, biology, medicine, and micro-electromechanical systems. In this letter, we…”
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7
Triboelectric nanogenerator for harvesting pendulum oscillation energy
Published in Nano energy (01-11-2013)“…There is abundance of lost mechanical energy that can be harvested and recycled from our living environment. Here we developed a pendulum motion based…”
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Fabrication of patterned surfaces that exhibit variable wettability ranging from superhydrophobicity to high hydrophilicity by laser irradiation
Published in Applied surface science (2014)“…We present a simple method for fabricating patterned surfaces that exhibit different wettabilities in different areas using laser machining. This process can…”
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9
Experimental drag reduction study of super-hydrophobic surface with dual-scale structures
Published in Applied surface science (01-12-2013)“…•In this study, processes with the advantages of simplicity and cost effectiveness were used to fabricate dual-scale structures.•Super-hydrophobic surfaces…”
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Robust Superhydrophilic/Hydrophobic Surface Based on Self-Aggregated Al2O3 Nanowires by Single-Step Anodization and Self-Assembly Method
Published in ACS applied materials & interfaces (24-10-2012)“…Superhydrophilic and superhydrophobic surfaces were studied with an eye to industrial applications and use as research tools. Conventional methods involve…”
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11
Study for surface pitting of a guide roller at combined sizing blocks using the ultrasonic processing method
Published in International journal of advanced manufacturing technology (01-10-2019)“…This paper discusses how roller marks resulting from compact sizing block form on guide rollers and presents methods to reduce these marks. Ultrasonic…”
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12
Factors Affecting Electromechanical Properties of Ionic Polymer Actuators Based on Ionic Liquid-Containing Sulfonated Block Copolymers
Published in Macromolecules (08-07-2014)“…We investigate the electromechanical properties of ionic polymer actuators based on sulfonated block copolymers and imidazolium ionic liquids (ILs) to unveil…”
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13
Mechanical properties of graphene oxide–silk fibroin bionanofilms via nanoindentation experiments and finite element analysis
Published in Friction (01-02-2022)“…Understanding the mechanical properties of bionanofilms is important in terms of identifying their durability. The primary focus of this study is to examine…”
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14
Development of Micro-Nano Structured Electrodes for Enhanced Reactivity: Improving Efficiency Through Nano-Bubble Generation
Published in Applied sciences (01-11-2024)“…This study focuses on developing high-performance electrodes by applying micro/nano structures to aluminum mesh electrodes and evaluating their electrochemical…”
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15
Arrangement optimization of water-driven triboelectric nanogenerators considering capillary phenomenon between hydrophobic surfaces
Published in Scientific reports (24-01-2020)“…The rise in environmental issues has stimulated research on alternative energy. In this regard, triboelectric generation has received much attention as one of…”
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16
Preparation of a Highly Oleophobic Magnesium Alloy AZ31 Surface with Hierarchical Structure and Fluorination
Published in ACS omega (16-06-2020)“…Wettability is an important surface property owing to its useful characteristics such as self-cleaning, antifrosting, and anticorrosion. In particular, an…”
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17
Miniature Millimeter-Wave 5G Antenna Fabricated Using Anodized Aluminum Oxide for Mobile Devices
Published in ACS omega (13-10-2020)“…A miniature millimeter-wave 5G antenna fabricated using anodized aluminum oxide (AAO) is devised and demonstrated for mobile devices. The proposed structure…”
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18
Automatic Phase Correction of Phased Array Antennas by a Genetic Algorithm
Published in IEEE transactions on antennas and propagation (01-08-2008)“…An automatic phase correction method for phased array antenna (PAA) systems is presented. It is based on finding the optimal phases that maximize the receiving…”
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19
A Spherical Hybrid Triboelectric Nanogenerator for Enhanced Water Wave Energy Harvesting
Published in Micromachines (Basel) (15-11-2018)“…Water waves are a continuously generated renewable source of energy. However, their random motion and low frequency pose significant challenges for harvesting…”
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Scalable micro/nanostructured superhydrophobic surface modifications for enhanced energy efficiency and heat transfer performance in stainless steel and titanium
Published in Materials research express (01-07-2023)“…Abstract Condensation refers to the change of a substance from a gaseous phase to a liquid phase, an example of which is the condensation of water vapor in…”
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