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    J. Park, H. Jin, J. Lee, A. Oh, B. Kim, J. H. Kim, H. Baik, S. H. Joo, K. Lee
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  2. No Image


    P. Nandhakumar, B. Kim, N,-S. Lee, Y. H. Yoon, K. Lee, H. Yang
    Read More
  3. No Image


    H. Jin, Y. Hong, J. Yoon, A. Oh, N. K. Chaudhari, H. Baik, S. H. Joo, K. Lee
    Read More
  4. No Image

    147. 802 nm-driven intense single band red-emitting upconversion nanophosphors with sub-20 nm sized core/double-shell structure for dual-modal magnetic resonance and upconversion luminescence in vivo imaging applications

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  5. No Image


    T. Lee, J.-S. Wi, A. Oh, J.-J. Lee, K. Lee, T. G. Lee, S. Haam
    Read More
  6. No Image


    H.-O. Kim, W. Na, M. Yeom, J. Choi, J.-W. Lim, D. Yun, H. Chun, J.-K. Kim, D. G. Jeong, L. Phan, K. Lee, H. H. Jeong, D. Song, S. Haam
    Read More
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    144. Ni@Ru and NiCo@Ru core-shell hexagonal nanosandwiches with a compositionally tunable core and a regio-selectively grown shell

    H. Hwang, T. Kwon, H. Y. Kim, J. Park, A. Oh, B. Kim, H. Baik, S. H. Joo, K. Lee
    Small under revision
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    143. Radially Phase Segregated PtCu@PtCuNi Dendrite@Frame Nanocatalyst for Oxygen Reduction Reaction

    J. Park, M. K. Kabiraz, H. Kwon, S. Park, H. Baik, S.-I. Choi, K. Lee
    ACS Nano under revision
    Read More
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    142. Synthesis of compositionally tunable, hollow CoxNiySz octahedral nanocages and their composition-dependent electrocatalytic activities for oxygen evolution reaction

    J. Kim, H. Jin, A. Oh, H. Baik, S. H. Joo, K. Lee
    Nanoscale accepted
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  10. 141. Nanostructured materials on 3D nickel foam as electrocatalysts for water splitting

    N. K. Chaudhari, H. Jin, B. Kim, K. Lee
    Nanoscale, 2017, 9, 12231.
    Highly efficient and low-cost electrocatalysts are essential for water spitting via electrolysis in an economically viable fashion. However, the best catalytic performance is found with noble metal-based electrocatalysts, which prese...
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  11. 140. Iridium-based multimetallic nanoframe@nanoframe structure: An efficient and robust electrocatalyst toward oxygen evolution reaction

    J. Park, Y. J. Sa, H. Baik, T. Kwon, S. H. Joo, K. Lee
    ACS Nano, 2017, 11, 5500.
    Nanoframe electrocatalysts have attracted a great interest due to their inherently high active surface area per a given mass. Although recent progress has enabled the preparation of single nanoframe structures with a variety of...
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  12. 139. Cactus-like hollow Cu2-xS@Ru nanoplates as excellent and robust electrocatalysts for alkaline hydrogen evolution reaction

    D. Yoon, J. Lee, B. Seo, B. Kim, H. Baik, S. H. Joo, K. Lee
    Small, 2017, 13, 1700052.
    The development of Pt-free electrocatalysts for the hydrogen evolution reaction (HER) recently is a focus of great interest. While several strategies are developed to control the structural properties of non-Pt catalysts and boost th...
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  13. 138. Morphology controlled synthesis of 2-D Ni–Ni3S2 and Ni3S2 nanostructures on Ni foam towards oxygen evolution reaction

    N. K. Chaudhari, A. Oh, Y. J. Sa, H. Jin, H. Baik, S. G. Kim, S. J. Lee, S. H. Joo, K. Lee
    Nano Converg., 2017, 4, 7.
    Catalysts for oxygen evolution reactions (OER) are at the heart of key renewable energy technologies, and development of non-precious metal catalysts with high activity and stability remain a great challenge in this field. Among v...
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  14. 137. Flexible transparent displays based on core/shell upconversion nanophosphor-incorporated polymer waveguides

    B. J. Park, A.-R. Hong, S. Park, K.-U. Kyung, K. Lee, H. S. Jang
    Sci. Rep., 2017, 7, 45659.
    Core/shell (C/S)-structured upconversion nanophosphor (UCNP)-incorporated polymer waveguide-based flexible transparent displays are demonstrated. Bright green- and blue-emitting Li(Gd,Y)F4:Yb,Er and Li(Gd,Y)F4:Yb,Tm UCNPs are synt...
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  15. 136. Facile synthesis of multicolor tunable ultrasmall LiYF4:Yb,Tm,Er/LiGdF4 core/shell upconversion nanophosphors with sub-10 nm size

    A.-R. Hong, S. Y. Kim, S.-H. Cho, K. Lee, H. S. Jang
    Dyes Pigm., 2017, 139, 831.
    Sub-10 nm-sized LiYF4:Yb,Tm/Er upconversion nanophosphors (UCNPs) and multicolor-emitting LiYF4:Yb,Tm,Er/LiGdF4 core/shell (C/S) UCNPs were facilely synthesized by using rare earth-oleate (Re(oleate)3) precursors. The size of LiY...
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  16. 135. Cobalt assisted synthesis of IrCu hollow octahedral nanocages as highly active electrocatalysts toward oxygen evolution reaction

    T. Kwon, H. Hwang, Y. J. Sa, J. Park, H. Baik, S. H. Joo, K. Lee
    Adv. Funct. Mater., 2017, 27, 1604688.
    . Development of oxygen evolution reaction (OER) catalysts with reduced precious metal content while enhancing catalytic performance has been of pivotal importance in cost-effective design of acid polymer electrolyte membrane water elect...
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  17. 134. Rational design of Pt-Ni-Co ternary alloy nanoframe crystals as highly efficient catalysts toward the alkaline hydrogen evolution reaction

    A. Oh, Y. J. Sa, H. Hwang, H. Baik, J, Kim, B. Kim, S. H. Joo, K. Lee
    Nanoscale, 2016, 8, 16379.
    The rational design of highly efficient electrocatalysts for the hydrogen evolution reaction (HER) is of prime importance for establishing renewable and sustainable energy systems. The alkaline HER is particularly challenging as it i...
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  18. 133. Plasmon enhanced direct bandgap emissions in Cu7S4@Au2S@Au nanorings

    D. Yoon, S. Yoo, K. S. Nam, H. Baik, K. Lee, Q-H. Park
    Small, 2016, 12, 5728.
    Nanostructured copper sulfides, promising earth-abundant p-type semiconductors, have found applications in a wide range of fields due to their versatility, tunable low bandgap, and environmental sustainability. The synthesis of hexag...
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  19. 132. Ternary dendritic nanowires as highly active and stable multifunctional electrocatalysts

    Y. Yang, H. Jin, H. Y. Kim, J. Yoon, J. Park, H. Baik, S. H. Joo, K. Lee
    Nanoscale, 2016, 8, 15167.
    Multimetallic nanocatalysts with a controlled structure can provide enhanced catalytic activity and durability by exploiting electronic, geometric, and strain effects. Herein, we report the synthesis of a novel ternary nanocatalyst...
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    131. Crystal engineering of composite materials (Editorial)

    K. Lee
    CrystEngComm, 2016, 18, 5975.
    Read More
  21. 130. Unexpected solution phase formation of hollow PtSn alloy nanoparticles from Sn deposition on Pt dendritic structures

    T. Kwon, J. Park, H. Baik, S. Back, B. Błasiak, M. Cho, Y. Jung, K. Lee
    CrystEngComm, 2016, 18, 6019.
    Hollow nanoparticles with high surface-to-volume ratio have found various applications in catalysis, sensor, and energy storage, and thus new synthetic routes to these structures are of a great interest. One of the best-known synthet...
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  22. 129. Synthesis of bare Pt3Ni nanorod from PtNi@Ni core-shell nanorod by acid etching: one step surfactant removal and phase conversion for optimal electrochemical performance toward oxygen reduction reaction

    J. Yoon, J. Park, Y. J. Sa, Y. Yang, H. Baik, S. H. Joo, K. Lee
    CrystEngComm, 2016, 18, 6002.
    Pt–Ni alloy, most notably Pt3Ni phase, nanoparticles synthesized using a surfactant-assisted solution phase route have shown great promise as electrocatalysts toward the oxygen reduction reaction (ORR) for fuel cells. Surfactant remo...
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  23. 128. An ultrasensitive and Incubation-Free Electrochemical Immunosensor Using a Gold-Nanocatalyst Label Mediating Outer-Sphere-Reaction-Philic and Inner-Sphere-Reaction-Philic Species

    C. S. Fang, K. H. Oh, A. Oh, K. Lee, S. Park, S. Kim, J. K. Park, H. Yang
    Chem. Commun., 2016, 52, 5884.
    This communication reports a new nanocatalytic scheme based on the facts that the redox reaction between a highly outer-sphere-reaction-philic (OSR-philic) species and a highly inner-sphere-reaction-philic (ISR-philic) speci...
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  24. 127. Porous β-MnO2 nanoplates derived from MnCO3 nanoplates as highly efficient electrocatalysts toward oxygen evolution reaction

    J. Kim, J. S. Kim, H. Baik, K. Kang, K. Lee
    RSC Adv., 2016, 6, 26535.
    β-MnO2 has not been considered as an effective catalyst toward the oxygen evolution reaction due to its lack of active di-μ2-oxo bridged Mn centres and inaccessibility to the inner Mn atoms. We have envisioned that β-MnO2 ca...
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  25. 126. Cancer theranosis using mono-disperse, mesoporous gold nanoparticles obtained via a robust, high-yield synthetic methodology

    T. Lee, D. Bang, Y. W. Chang, Y. Choi, K. Y. Park, A. Oh, S. Han, S. H. Kim, K. Lee, J.-S. Suh,Y.-M. Huh, S. Haam
    RSC Adv., 2016, 6, 13554
    Porous noble metal nanoparticles exhibit many attractive nanoplasmonic features, and these structures have potential applications in many fields. However, such applications have been hindered by a lack of synthetic methods w...
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  26. 125. Facet-controlled hollow Rh2S3 hexagonal nanoprisms as highly active and structurally robust catalysts toward hydrogen evolution reaction

    D. Yoon, B. Seo, J. Lee, K. S. Nam, B. Kim, S. Park, H. Baik, S. H. Joo, K. Lee
    Energy Environ. Sci., 2016, 9, 850. (Back Cover)
    Developing highly active and structurally robust electrocatalysts for hydrogen evolution reaction (HER) is of paramount importance for sustainable and clean production of hydrogen. Metal sulphides exposing catalytically active s...
    Read More
  27. 124. Selective and rapid detection of pathogenic bacteria using clustered magnetic nanoparticles conjugated with target antigens

    Y.-T. Kim, K.-H. Kim, E. S. Kang, G. Jo, S.Y. Ahn, S. H. Park, S. l. Kim, S. Mun, K. Baek, B. Kim, K. Lee, W. S. Yun, Y. H. Kim
    Bioconjugate Chem., 2016, 27, 59.
    Early diagnosis of infectious diseases is important for treatment; therefore, selective and rapid detection of pathogenic bacteria is essential for human health. We report a strategy for highly selective detection and rap...
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  28. 123. RhCu 3-D nanoframe as a highly active electrocatalyst for oxygen evolution reaction under alkaline condition

    J. Park, J. Kim, Y. Yang, D. Yoon, H. Baik, S. Haam, H. Yang, K. Lee
    Adv. Sci., 2016, 3, 1500252
    One pot synthesis of RhCu alloy truncated octahedral nanoframes, Cu@Rh core–shell nanoparticles, and a bundle of five RhCu nanowires is demonstrated. The RhCu alloy 3D nanoframe, in particular, exhibits excellent catalytic activity ...
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