Search Results - "Yoon, Ki Youl"

Surface engineered gold nanoparticles through highly stable metal–surfactant complexes by Kim, Sunghwan, Jang, Youngjin, Yoon, Ki Youl, Park, Jongnam

“…[Display omitted] Monodispersed Au nanoparticles were synthesized by the reduction of Au-decyltrimethylammonium bromide (Au-DTAB), which was easily prepared…”
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Chemoresponsive alternating supramolecular copolymers created from heterocomplementary calix[4]pyrroles by Park, Jung Su, Yoon, Ki Youl, Kim, Dong Sub, Lynch, Vincent M, Bielawski, Christopher W, Johnston, Keith P, Sessler, Jonathan L

“…The importance of noncovalent interactions in the realm of biological materials continues to inspire efforts to create artificial supramolecular polymeric…”
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Generalized Synthesis of Metal Phosphide Nanorods via Thermal Decomposition of Continuously Delivered Metal−Phosphine Complexes Using a Syringe Pump by Park, Jongnam, Koo, Bonil, Yoon, Ki Youl, Hwang, Yosun, Kang, Misun, Park, Je-Geun, Hyeon, Taeghwan

“…We synthesized uniform-sized nanorods of transition metal phosphides from the thermal decomposition of continuously delivered metal-phosphine complexes using a…”
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Development of a Potential Fe2O3-Based Photocatalyst Thin Film for Water Oxidation by Scanning Electrochemical Microscopy: Effects of Ag−Fe2O3 Nanocomposite and Sn Doping by Jang, Jum Suk, Yoon, Ki Youl, Xiao, Xiaoyin, Fan, Fu-Ren F, Bard, Allen J

“…Ag−Fe2O3 and Sn-doped Ag−Fe2O3 nanocomposite photocatalysts were optimized by scanning photoelectrochemical microscopy (SPECM) as a potential…”
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Facile Synthesis of Various Phosphine-Stabilized Monodisperse Palladium Nanoparticles through the Understanding of Coordination Chemistry of the Nanoparticles by Son, Seung Uk, Jang, Youngjin, Yoon, Ki Youl, Kang, Eunae, Hyeon, Taeghwan

“…We developed facile synthetic procedures to produce monodisperse palladium nanoparticles stabilized with various phosphine ligands by a better understanding of…”
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Synthesis of uniform-sized bimetallic iron–nickel phosphide nanorods by Yoon, Ki Youl, Jang, Youngjin, Park, Jongnam, Hwang, Yosun, Koo, Bonil, Park, Je-Geun, Hyeon, Taeghwan

“…We synthesized uniform-sized nanorods of iron–nickel phosphides from the thermal decomposition of metal–phosphine complexes. Uniform-sized (Fe x Ni 1− x ) 2P…”
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Graphene oxide nanoplatelet dispersions in concentrated NaCl and stabilization of oil/water emulsions by Yoon, Ki Youl, An, Sung Jin, Chen, Yunshen, Lee, Jae Ho, Bryant, Steven L., Ruoff, Rodney S., Huh, Chun, Johnston, Keith P.

“…[Display omitted] •Stable dispersions of graphene oxide nanoplatelets at pH 2–10 even with 5wt% NaCl.•Oil-in-water emulsions with 0.2wt% graphene oxide…”
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Stabilization of Iron Oxide Nanoparticles in High Sodium and Calcium Brine at High Temperatures with Adsorbed Sulfonated Copolymers by Bagaria, Hitesh G, Yoon, Ki Youl, Neilson, Bethany M, Cheng, Victoria, Lee, Jae Ho, Worthen, Andrew J, Xue, Zheng, Huh, Chun, Bryant, Steven L, Bielawski, Christopher W, Johnston, Keith P

“…A series of sulfonated random and block copolymers were adsorbed on the surface of ∼100 nm iron oxide (IO) nanoparticles (NPs) to provide colloidal stability…”
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Effect of Adsorbed Amphiphilic Copolymers on the Interfacial Activity of Superparamagnetic Nanoclusters and the Emulsification of Oil in Water by Yoon, Ki Youl, Li, Zicheng, Neilson, Bethany M, Lee, Wonjae, Huh, Chun, Bryant, Steven L, Bielawski, Christopher W, Johnston, Keith P

“…A series of sub-100 nm superparamagnetic iron oxide nanoparticles with amphiphilic poly(acrylic acid-b-butylacrylate); PAA-b-PBA) copolymer shells were…”
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Stabilization of Superparamagnetic Iron Oxide Nanoclusters in Concentrated Brine with Cross-Linked Polymer Shells by Yoon, Ki Youl, Kotsmar, Csaba, Ingram, Davis R, Huh, Chun, Bryant, Steven L, Milner, Thomas E, Johnston, Keith P

“…Iron oxide nanoparticles, in the form of sub-100-nm clusters, were synthesized in the presence of poly(acrylic acid) (PAA) or poly(styrene sulfonate-alt-maleic…”
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Superparamagnetic nanoclusters coated with oleic acid bilayers for stabilization of emulsions of water and oil at low concentration by Ingram, Davis R., Kotsmar, Csaba, Yoon, Ki Youl, Shao, Stephen, Huh, Chun, Bryant, Steven L., Milner, Thomas E., Johnston, Keith P.

“…Interfacially active nanoclusters of iron oxide at the oil water interface. [Display omitted] ► Emulsions are stabilized by sub-15 nm iron oxide particles at a…”
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Adsorption of iron oxide nanoclusters stabilized with sulfonated copolymers on silica in concentrated NaCl and CaCl2 brine by Bagaria, Hitesh G., Neilson, Bethany M., Worthen, Andrew J., Xue, Zheng, Yoon, Ki Youl, Cheng, Victoria, Lee, Jae Ho, Velagala, Sindhuja, Huh, Chun, Bryant, Steven L., Bielawski, Christopher W., Johnston, Keith P.

“…[Display omitted] ► Adsorption of iron oxide nanoparticles (NPs) on silica measured in brine. ► NPs coated with sulfonated copolymers. ► Adsorption on silica…”
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Stable Citrate-Coated Iron Oxide Superparamagnetic Nanoclusters at High Salinity by Kotsmar, Csaba, Yoon, Ki Youl, Yu, Haiyang, Ryoo, Seung Yup, Barth, Joseph, Shao, Stephen, Prodanović, Maša, Milner, Thomas E, Bryant, Steven L, Huh, Chun, Johnston, Keith P

“…Superparamagnetic nanoclusters may be used in imaging in biomedicine and in mapping of petroleum reservoirs, by generating either ultrasonic or acoustic…”
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Core Flooding of Complex Nanoscale Colloidal Dispersions for Enhanced Oil Recovery by in Situ Formation of Stable Oil-in-Water Pickering Emulsions by Yoon, Ki Youl, Son, Han Am, Choi, Sang Koo, Kim, Jin Woong, Sung, Won Mo, Kim, Hyun Tae

“…This study reports a Pickering emulsion flooding system, in which the oil–water interface is structurally stabilized by a complex colloidal layer consisting of…”
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Iron Oxide Nanoparticles Grafted with Sulfonated Copolymers are Stable in Concentrated Brine at Elevated Temperatures and Weakly Adsorb on Silica by Bagaria, Hitesh G, Xue, Zheng, Neilson, Bethany M, Worthen, Andrew J, Yoon, Ki Youl, Nayak, Susheela, Cheng, Victoria, Lee, Jae Ho, Bielawski, Christopher W, Johnston, Keith P

“…Magnetic nanoparticles that can be transported in subsurface reservoirs at high salinities and temperatures are expected to have a major impact on enhanced oil…”
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Theoretical and experimental investigation of the motion of multiphase fluids containing paramagnetic nanoparticles in porous media by Ryoo, Seungyup, Rahmani, Amir R., Yoon, Ki Youl, Prodanović, Maša, Kotsmar, Csaba, Milner, Thomas E., Johnston, Keith P., Bryant, Steven L., Huh, Chun

“…Paramagnetic nanoparticles are potentially useful for monitoring of immiscible fluids distribution in subsurface, as they can be induced to move by an imposed…”
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Control of magnetite primary particle size in aqueous dispersions of nanoclusters for high magnetic susceptibilities by Yoon, Ki Youl, Xue, Zheng, Fei, Yunping, Lee, Jae Ho, Cheng, Victoria, Bagaria, Hitesh G., Huh, Chun, Bryant, Steven L., Kong, Seong Deok, Ngo, Vincent W., Rahmani, Amir-Reza, Ahmadian, Mohsen, Ellison, Christopher J., Johnston, Keith P.

“…[Display omitted] Aqueous dispersions of iron oxide nanoparticles with a high initial magnetic susceptibility (χi) are of interest as contrast agents in…”
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Stabilization of Superparamagnetic Iron Oxide Nanoclusters in Concentrated Brine with Cross-Linked Polymer Shells by Yoon, Ki Youl, Kotsmar, Csaba, Ingram, Davis R., Huh, Chun, Bryant, Steven L., Milner, Thomas E., Johnston, Keith P.

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Effect of Adsorbed Amphiphilic Copolymers on the Interfacial Activity of Superparamagnetic Nanoclusters and the Emulsification of Oil in Water by Yoon, Ki Youl, Li, Zicheng, Neilson, Bethany M., Lee, Wonjae, Huh, Chun, Bryant, Steven L., Bielawski, Christopher W., Johnston, Keith P.

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Development of a Potential Fe 2 O 3 -Based Photocatalyst Thin Film for Water Oxidation by Scanning Electrochemical Microscopy: Effects of Ag−Fe 2 O 3 Nanocomposite and Sn Doping by Jang, Jum Suk, Yoon, Ki Youl, Xiao, Xiaoyin, Fan, Fu-Ren F., Bard, Allen J.

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