13 Result(s)
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Won-Sik Kim
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Open AccessLiquid crystal-powered Mie resonators for electrically tunable photorealistic color gradients and dark blacks
Taking inspiration from beautiful colors in nature, structural colors produced from nanostructured metasurfaces have shown great promise as a platform for bright, highly saturated, and high-resolution colors. ...
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Open AccessAuthor Correction: Fouling behavior of wavy-patterned pore-filling membranes in reverse electrodialysis under natural seawater and sewage effluents
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Open AccessFouling behavior of wavy-patterned pore-filling membranes in reverse electrodialysis under natural seawater and sewage effluents
Reverse electrodialysis (RED) generates electricity from a mixture of seawater and river water. Herein, patterned membranes consisting of ultra-thin pore-filling membranes (16-μm thick) were used to determine ...
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Open AccessLaser-based three-dimensional manufacturing technologies for rechargeable batteries
Laser three-dimensional (3D) manufacturing technologies have gained substantial attention to fabricate 3D structured electrochemical rechargeable batteries. Laser 3D manufacturing techniques offer excellent 3D...
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Adsorption and desorption dynamics of CF4 on activated carbon beds: Validity of the linear driving force approximation for pressure-changing steps
Adsorption and desorption dynamics of CF4 on an activated carbon bed were studied experimentally and theoretically, focusing on pressure-changing steps. The theoretical model used the ideal adsorbed solution (IAS...
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TiO2@SnO2@TiO2 triple-shell nanotube anode for high-performance lithium-ion batteries
TiO2@SnO2@TiO2 triple-shell nanotubes are fabricated using electrospun polyacrylonitrile (PAN) nanofiber template and plasma-enhanced atomic layer deposition (PEALD). The triple-shell nanotubes have a uniform dia...
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Meso-porous silicon-coated carbon nanotube as an anode for lithium-ion battery
Meso-porous Si-coated carbon nanotube (CNT) composite powders were prepared by combining a sol‒gel method and the magnesiothermic reduction process. Meso-porous Si-coated CNT electrodes exhibit excellent cycle...
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Open AccessA highly effective and versatile technology for the isolation of RNAs from grapevines and other woody perennials for use in virus diagnostics
Isolation of pure RNA from woody perennials, especially fruit crops such as grapevine rich in complex secondary metabolites, has remained very challenging. Lack of effective RNA isolation technology has result...
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SnO2@Co3O4 hollow nano-spheres for a Li-ion battery anode with extraordinary performance
SnO2@Co3O4 hollow nano-spheres have been prepared using the template-based sol-gel coating technique and their electrochemical performance as an anode for lithium-ion battery (LIB) was investigated. The size of s...
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Fabrication of Ga2O3/SnO2 core–shell nanowires and their ethanol gas sensing properties
Ga2O3/SnO2 core–shell nanowires were synthesized by combining thermal evaporation and atomic layer deposition (ALD), and nanowire network sensors were fabricated by directly depositing them on the substrate with ...
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Gas sensing properties of MoO3 nanoparticles synthesized by solvothermal method
MoO3 nanoparticles were prepared by thermally oxidizing the MoO2 nano-crystallites synthesized by solvothermal reaction, and their gas sensing properties were investigated. Ethanol and water mixed solvents were u...
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CO gas sensing properties in Pd-added ZnO sensors
Unadded and 0.5 mol% Pd-added ZnO bulk and thin films were prepared by sintering and sputtering, respectively, and their CO gas sensing properties were investigated. The effects of Pd addition, sensing tempera...
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Studies on the mechanism of the cardiovascular effect of intraventricular 5-hydroxytryptamine in rabbits
An attempt was made to investigate the effect of intracerebroventricular 5-hydroxytryptamine (5-HT) on the cardiovascular system in urethane-anesthetized rabbits and to elucidate the mechanism of its action. 5...
