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Search: authors:"Jung Hwal Shin"

3 papers found.
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Electrospinning onto Insulating Substrates by Controlling Surface Wettability and Humidity

We report a simple method for electrospinning polymers onto flexible, insulating substrates by controlling the wettability of the substrate surface. Water molecules were adsorbed onto the surface of a hydrophilic polymer substrate by increasing the local humidity around the substrate. The adsorbed water was used as the ground electrode for electrospinning. The electrospun fibers...

Reliable Diameter Control of Carbon Nanotube Nanobundles Using Withdrawal Velocity

Carbon nanotube (CNT) nanobundles are widely used in nanoscale imaging, fabrication, and electrochemical and biological sensing. The diameter of CNT nanobundles should be controlled precisely, because it is an important factor in determining electrode performance. Here, we fabricated CNT nanobundles on tungsten tips using dielectrophoresis (DEP) force and controlled their...

Ionic liquid flow along the carbon nanotube with DC electric field

KoreaTaechang An AuthorsSearch for Jung Hwal Shin in:Nature Research journals • PubMed • Google ScholarSearch for Geon Hwee Kim in:Nature Research journals • PubMed • Google ScholarSearch for Intae Kim in:Nature