10 Result(s)
within
Kyo-Seon Kim
Catalysis
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Article
Preparation of WO3, BiVO4 and reduced graphene oxide composite thin films and their photoelectrochemical performance
Various thin films for photoelectrochemical (PEC) water splitting were prepared and their PEC performance was tested. The precursor solutions for WO3 and BiVO4 photocatalysts were synthesized by solution processe...
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Article
Magnetic nanoparticles for bioseparation
Magnetic bioseparation has been an essential process for decades in all areas of biosciences. A variety of separation processes are being developed. Recently, much attention is being paid to applying magnetic ...
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Article
Functionalization of magnetic nanoparticles for biomedical applications
Interest in utilizing magnetic nanoparticles for biomedical treatments originates from their external controllability of transportation and movement inside biological objects and magnetic heat generation. Adva...
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Article
Preparation of nanostructured TiO2 thin films by aerosol flame deposition process
Titania thin films were prepared by using aerosol flame deposition process via the pyrolysis of titanium tetra-isopropoxide (TTIP) precursor. We analyzed the specific surface area, primary and secondary partic...
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Article
Effect of pulse modulation on particle growth during SiH4 plasma process
The effects of pulse modulation on particle growth by coagulation between particles in a pulsed SiH4 plasma reactor were analyzed by using a discrete-sectional method. At the start of the plasma discharge, there ...
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Article
Analysis of preparation of TiO2 particles by diffusion flame reactor for photodegradation of phenol and toluene
TiO2 nanoparticles were produced in the diffusion flame reactor, and the size and anatase/rutile content of TiO2 were examined by a Particle Size Analyzer and X-ray diffraction, respectively. Increase in fuel/O2 ...
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Article
Simultaneous removal of NO and SO2 in a plasma reactor packed with TiO2-coated glass beads
We analyzed the dielectric pellet bed discharge-photocatalyst hybrid process for NO and SO2 removal. A cylindrical-wire type discharge reactor was packed with glass beads as dielectric pellets and the plasmas wer...
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Article
Numerical simulation on silane plasma chemistry in pulsed plasma process to prepare a-Si :H thin films
We numerically calculated the effects of pulse modulation (plasma-on and -off times) on the concentration changes of the chemical species (SiH4, SiHx, SiHx+ and polymerized negative ions) and also the growth rate...
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Article
Analysis of particle contamination in plasma reactor by 2-sized particle growth model
Rapid particle growth in the silane plasma reactor by coagulation between 2-sized particles was analyzed for various process conditions. The particle coagulation rate was calculated considering the effects of ...
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Article
Rapid growth of particles by coagulation between particles in silane plasma reactor
The changes of particle size distribution were investigated during the rapid growth of particles in the silane plasma reactor by the discrete-sectional model. The particle size distribution becomes bimodal in ...
