KR – Page 9 – TechConnect Briefs

Uniformly Distributed Metal Nano-particles in Various Sized Porous Catalytic Supports by NPP Process

Lee C., Lee J-H., Lee C., Lee J-H., Kang B.K., Kaji H., Hayashi M., Koh S.K., GL Materials, KR

2~10 nm sized metal nano-particles were uniformly loaded in porous activated carbon (AC) support and 10~100 nm sized metal nano-particles were completely covered on the surfaces of air flow channels of porous ceramic monolith. Metal [...]

Nanoaerosol release characteristics of wallpaper coated with TiO2 nanoparticles in an air-jet simulated test chamber

Bae G.N., Park S.H., Lee S.B., Kim J.B., Korea Institute of Science and Technology, KR

Consumer nanoproducts are interested in public health aspects. In Korea, wallpaper is a popular construction material of housing. Wallpaper is well known to emit various volatile organic compounds and carbonyl compounds. Some wallpaper is coated [...]

Effect of Porosity on Specific Resistance of Inkjet-Printed Silver Nanoparticles during Laser Sintering

Moon S.J., Moon Y.J., Kang H., Kang K., Kang H., Kang K., Lee S-H., Hwang J.Y., Moon S.J., Moon Y.J., Korea Institue of Industrial Technology, KR

In nano-metal sintering, the electrical resistivity of nano-metals is related to their structure. Electrical resistivity is affected by grain size and density. Larger grains and denser films yield lower electrical resistivity. This work investigated the [...]

Silver Nanoplate Array for Vertically Aligned P-type ZnO Nanorods

Park J.H., Lee T.I., Myoung J.-M., Yonsei University, KR

In this presentation, a monolayer of silver nanoplate is introduced as an epitaxial template and doping source for vertically aligned p-type ZnO nanorods. Silver nanoplates were synthesized through room temperature polyol process and the monolayer [...]

Enhancement in optical and electrical efficiency of a Si nanocrystal light-emitting diode by indium tin oxide nanowires

Huh C., Kim S-H, Kim T.-Y., Park B.-J., Jang E.-H., Kim S-H, Kim T.-Y., Electronics and Telecommunications Research Institute, KR

In this work, a new technique for improving the optical and electrical properties of Si NC LEDs by employing indium tin oxide (ITO) nanowires (NWs) was investigated. The structure of Si NC LED investigated here [...]

Fishbone Pattern Phenomena on a Non-Conductive Substrate in Electrohydrodynamic Discharging

Son S., Lee S., Choi J., Haque S., Sungkyunkwan University, KR

The intense electric field concentrated on the meniscus at a nozzle orifice is able to trigger the electro-hydrodynamic (EHD) discharging of tiny droplets or jets [1-2]. The electric field distribution along the pathway from the [...]

Fabrication of Active Digital Microfluidic Paper Chips with Inkjet-printed Patterned Electrodes and their Point-of Care Biomedical Application

Ko H., Lee J., Kim K., Kim Y., Kee Y., Kim K., Kim Y., Jung C-H, Choi J-H, Kwon O-S, Shin K., Sogang University, KR

Active, paper-based, microfluidic chips driven by electrowetting are fabricated by using inkjet printing and demonstrated for reagent transport and mixing. Instead of using the passive capillary force on the pulp to actuate a flow of [...]

Reliability Evaluation of Inkjet-Printed Silver Patterns for Application to Printed Circuit Board

Shin K.-Y., Kang H.S., Kang K.T., Kang H.S., Kang K.T., Hwang J.Y., Lee S-H., Kim J-M, Korea Institute of Industrial Technology, KR

Recently, several studies on the reliability of inkjet-printed patterns have been conducted to evaluate inkjet printing technology as a fabrication process for the printed circuit board industry. However, the methods and standards for evaluating the [...]

Converting Dimensions: A Facile and High-Yield Route for Getting Sub-100 nm Silicon Nanowires

Lee S-H., Yonsei University, KR

For synthesizing uniform sub-100-nm Si nanowires (NWs), we introduce a metal-assisted chemical etching (MCE)-based facile and high-yield route, employing simple thermal annealing and vacuum deposition processes. Under rapid thermal annealing, an ultrathin Ag film on [...]

Interlaminar resistive heating behavior of woven carbon fiber composite laminates modified with ZnO nanorods

Kong K., Deka B.K., Park H-W., Ulsan National Institute of Science and Technology (, KR

In this study, the electrical resistive heating of the ZnO/woven carbon fiber composite on the interlaminar region was evaluated. In ZnO/woven carbon fiber composite laminates, the interlaminar region, composed of ZnO nanostructured arrays embedded on [...]