Search Results - "KWANG BO SHIM"

Graphene Oxide Quantum Dots Derived from Coal for Bioimaging: Facile and Green Approach by Kang, Sukhyun, Kim, Kang Min, jung, Kyunghwan, Son, Yong, Mhin, Sungwook, Ryu, Jeong Ho, Shim, Kwang Bo, Lee, Byoungsoo, Han, HyukSu, Song, Taeseup

“…Graphene oxide quantum dots (GOQDs) are usually prepared using expensive carbon precursors such as carbon nanotubes (CNT) or graphene under the strong acidic…”
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Synthesis and characterization of plasma-polymerized hexamethyldisiloxane films by Kurosawa, Shigeru, Choi, Bong-Geun, Park, Jong-Won, Aizawa, Hidenobu, Shim, Kwang-Bo, Yamamoto, Kazuhiro

“…The deposition rates of plasma-polymerized (pp-) films from hexamethyldisiloxane (HMDSO) monomer were determined by the quartz crystal microbalance technique…”
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Comparison study of structural and optical properties of boron-doped and undoped graphene oxide films by Khai, Tran Van, Na, Han Gil, Kwak, Dong Sub, Kwon, Yong Jung, Ham, Heon, Shim, Kwang Bo, Kim, Hyoun Woo

“…► B-doped GOs are fabricated by annealing the films, which were obtained from the suspensions with GO and H3BO3. ► Raman spectra revealed more graphitization…”
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Influence of N-doping on the structural and photoluminescence properties of graphene oxide films by Van Khai, Tran, Na, Han Gil, Kwak, Dong Sub, Kwon, Yong Jung, Ham, Heon, Shim, Kwang Bo, Kim, Hyoun Woo

“…Nitrogen (N) was doped into graphene oxide (GO) films at temperatures of 600–900°C under the flow of a mixture of NH3 and Ar. The N (atomic) concentration was…”
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Effect of zero-Gauss plane and magnetic intensity on oxygen concentration in cusp-magnetic CZ crystals by Hong, Young-Ho, Sim, Bok-Cheol, Shim, Kwang-Bo

“…The control of oxygen concentration in 200 mm-diameter Si single crystals is studied in the cusp-magnetic Czochralski method, and the effects of zero-Gauss…”
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The effect of pH control on synthesis of Sr doped barium titanate nanopowder by oxalate precipitation method by Eun Jeon, Jae, Han, HyukSu, Ryeol Park, Kyeong, Hong, Yu-Rim, Bo Shim, Kwang, Mhin, Sungwook

“…Sr substituted BaTiO3 (BST) nanopowders were prepared using oxalate co-precipitation methods. During synthesis, oxygen was applied to the oxalate solution in…”
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Microwave-assisted synthesis of CaMoO4 nano-powders by a citrate complex method and its photoluminescence property by JEONG HO RYU, YOON, Jong-Won, CHANG SUNG LIM, OH, Won-Chun, KWANG BO SHIM

“…Nano-sized CaMoO4 powders, which have scheelite type structure, were successfully synthesized at low temperatures by a modified citrate complex method using…”
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Effect of Yb3+ and Tm3+ concentrations on blue and NIR upconversion luminescence in Yb3+, Tm3+ co-doped CaMoO4 by Chung, Jun Ho, Ryu, Jeong Ho, Lee, Sang Yeop, Kang, Suk Hyun, Shim, Kwang Bo

“…Polycrystalline Tm3+/Yb3+ co-doped CaMoO4 UC phosphors were successfully synthesized by a complex citrate-gel method and their upconversion (UC) luminescence…”
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Deformation Behavior and Nucleation Activity of a Thermotropic Liquid-Crystalline Polymer in Poly (butylene terephthalate)-Based Composites by Kim, Jun Young, Kang, Seong Wook, Kim, Seong Hun, Kim, Byoung Chul, Shim, Kwang Bo, Lee, Jung Gyu

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Mechanical Properties of Silica Nanoparticle Reinforced poly(ethylene 2, 6-naphthalate) by Ahn, Seon Hoon, Kim, Seong Hun, Kim, Byoung Chul, Shim, Kwang Bo, Cho, Bong Gyoo

“…We added surface-modified silica nanoparticles to poly(ethylene 2,6-naphthalate) (PEN) to investi¬gate their effect on the mechanical properties on the PEN…”
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Microstructural and Thermoelectric Characteristics of Zinc Oxide-Based Thermoelectric Materials Fabricated Using a Spark Plasma Sintering Process by Kim, Kyoung Hun, Shim, Seung Hwan, Shim, Kwang Bo, Niihara, Koichi, Hojo, Junichi

“…M‐doped zinc oxide (ZnO) (M=Al and/or Ni) thermoelectric materials were fully densified at a temperature lower than 1000°C using a spark plasma sintering…”
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Surface morphology and optical property of thermally annealed GaN substrates by Oh, Dong Keun, Bang, Sin Young, Choi, Bong Geun, Maneeratanasarn, P., Lee, Seong Kuk, Chung, Jin Hyun, Freitas, Jaime A., Shim, Kwang Bo

“…Boule of GaN crystal was grown with 50mm diameter and 3mm thickness by hydride vapor phase epitaxy and cut using a wire saw to produce freestanding wafers…”
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Effect of silica nanoparticle on the quiescent and the shear induced crystallization behaviors of poly(trimethylene terephthalate) by NAM, Yunku, SHIM, Kwang Bo, KIM, Seong Hun, KIM, Byoung Chul

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Quantum Confinement Effect of Amorphous GaN Quantum Dots Prepared by Pulsed-Laser Ablation by Yoon, Jong-Won, Shim, Seung Hwan, Shim, Kwang Bo, Koshizaki, Naoto, Kwon, Young-Soo

“…Amorphous GaN quantum dots (a-GaN QDs) smaller than the Bohr radius (11 nm) were successfully fabricated at room temperature by a laser ablation using a highly…”
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Effects of SiO2 barrier and N2 annealing on sb-doped SnO2 transparent conducting film prepared by sol-gel dip coating by LIM, Tae-Young, KIM, Chang-Yeoul, KIM, Bum-Suk, SHIM, Kwang-Bo, AUH, Keun-Ho

“…The transparent conducting thin film of the ATO (antimony-doped tin oxide) was successfully fabricated on bare glass and SiO2/glass substrates by the sol-gel…”
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Microwave-assisted synthesis of barium molybdate by a citrate complex method and oriented aggregation by Ryu, Jeong Ho, Yoon, Jong-Won, Lim, Chang Sung, Shim, Kwang Bo

“…BaMoO 4 powders, which have scheelite type structure, were successfully synthesized at low temperatures by a modified citrate complex method assisted by…”
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Green upconversion luminescence from poly-crystalline Yb3+, Er3+ Co-doped CaMoO4 by Chung, Jun Ho, Ryu, Jeong Ho, Eun, Jong Won, Lee, Jeong Hoon, Lee, Sang Yeop, Heo, Tae Hyung, Choi, Bong Geun, Shim, Kwang Bo

“…[Display omitted] ► Synthesis and analysis of Er3+/Yb3+ co-doped CaMoO4 upconversion phosphor. ► CaMoO4:Er3+/Yb3+ exhibited strong green UC emission with weak…”
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Simple synthetic route for hydroxyapatite colloidal nanoparticles via a Nd:YAG laser ablation in liquid medium by Mhin, Sung Wook, Ryu, Jeong Ho, Kim, Kang Min, Park, Gyeong Seon, Ryu, Han Wool, Shim, Kwang Bo, Sasaki, Takeshi, Koshizaki, Naoto

“…Pulsed laser ablation (PLA) in liquid medium was successfully employed to synthesize hydroxyapatite (HAp) colloidal nanoparticles. The crystalline phase,…”
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Effects of carbothermal reduction on the thermal and electrical conductivities of aluminum nitride ceramics by Kim, Hui-sik, Chae, Jung-min, Oh, Yoon-suk, Kim, Hyung-tae, Shim, Kwang-bo, Lee, Sung-min

“…This study attempts to control the oxygen content by adding various amounts of yttria sintering additives or by introducing an in situ carbothermal reduction…”
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Effects of nano-carbon webs on the electrochemical properties in LiFePO4/C composite by CHUNG, Hoon-Taek, JANG, Soo-Kwan, HAN WOOL RYU, SHIM, Kwang-Bo

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