Published
[International SCI(E) journals]
[2024]
[175]
[174]
[173]
[172]
[171]
[170]
[169]
[168]
[167]
[166]
[165] S. H. Lee#, B. J. Jeong#, K. H. Choi, J. Jeon, B. Lee, S. Cho, D. Kim, G. T. Gudena, D. D. Megersa, S. H. Kim*, H. K. Yu*, and J. -Y. Choi*, "Liquid-Phase Intermediated Chemical Vapor Deposition for Ternary Compositional 1D van der Waals Material Nb2Pd3Se8", Crystal Engineering Communications, Under minor revision (2024).
[164] B. J. Kim#, S. Chae#, S. H. Lee, J. -Y. Moon, S. Oh, B. J. Jeong, K. H. Choi, S. -I. Kim, H. -W. Kim, J. Lee, J. Huh, J. R. Ahn, D. Whang, H. K. Yu, J. -H. Lee, and J. -Y. Choi, "Room temperature growth of single-crystalline monolayer graphene on Cu foil", Nature Communications, under minor revision (2024).
[163] H. K. Yu*,"Thermodynamic analysis of dewetting phenomenon: Ag nanoparticles on Indium-Tin-Oxide (100) Surfaces", Journal of Physical Chemistry C, major revision submitted (2024).
[162] H. -S. Bang, J. Jeon, J. Kang, Y. -J. Ko, C. Oh, H. Kim, X. Zhang, K. H. Choi, C. Woo, X. Dong, H. K. Yu, W. H. Lee, J. -Y. Choi, and H. -S. Oh, "Exploring oxygen vacancy effect in one-dimensional structural SnIP for CO2 electro-reduction to formate", Small, minor revision submitted (2024).
[161] K. H. Choi#, S. H. Lee#, J. Kang, X. Zhang, J. Jeon, H. -S. Bang, Y. Kim, D. Kim, K. I. Kim, Y. H. Kim, H. -S. Oh, J. Chang, J. -H. Lee, H. K. Yu*, and J. -Y. Choi*, "Scalable Fabrication of One-Dimensional van der Waals Ta2Pt3Se8 Nanowire Thin-Films via Solution Processing for NO2 Gas Sensing over Large Areas", ACS Applied Materials & Interfaces, vol.16, 35463 (2024).
[160] D. D. Megersa, G. T. Gudena, Y. Kim. and H. K. Yu*, "Cobalt Nanoparticle-Decorated RuSe2 Nanorods: A Chemical Vapor Deposition Approach for Efficient Electrolytic Hydrogen Evolution", Crystal Growth &Design, vol. 24, 5670 (2024).
[159] S. Oh#, X. Dong#, C. Woo#, X. Zhang, Y. Kim, K. H. Choi, B. Lee, J. Kang, H. -S. Bang, J. Jeon, H. -S. Oh, J. -H. Kim, H. K. Yu*, J. Mun*, and J. -Y. Choi*, "Precision Integration of Uniform Molecular-Level Carbon into Porous Silica Framework for Synergistic Electrochemical Activation in High-Performance Lithium-Ion Batteries", EcoMat, vol.6, e12469 (2024), selected as back-cover articles.
[158] S. Cho#, X. Zhang#, B. Lee, J. Kang, B. J. Jeong, J. -H. Park, J. -H. Kim, S. H. Kim*, H. K. Yu*, and J. -Y. Choi*, "One-dimensional van der Waals material SbPS4 with large bandgap for UV sensing applications", Sensors & Actuators: A, vol.376, 115550 (2024).
[157] X. Zhang#, J. Kang#, K. H. Choi, J. Jeon, B. J. Jeong, H. -S. Bang, H. -S. Oh, J. Lim, J. -H. Park, J. -H. Lee, H. K. Yu*, and J. -Y. Choi*, "Facile High-Yield Growth of One-dimensional van der Waals Ta2Pd3Se8 Nanowires via Chemical Vapor Transport using PdCl2 as a Transport Agent", Chemistry of Materials, vol.36, 2533 (2024).
[156] B. Lee#, T. Nasir#, S. Cho, M. Jung, B. J. Kim, S. H. Lee, H. E. Jang. J. Kang*, H. K. Yu*, and J. -Y. Choi*, "Highly sensitive photodetector based on transfer-free 3D graphene on SiO2", IEEE Sensors Journal, vol.24, 6038 (2024).
[155] H. S. Lee#, Y. Kim#, H. K. Yu*, and J. Lee*, "A Strategy for Industrial Waste Mitigation — Thermal Treatment of Non-woven Polyester Fabric Debris on Ultrahigh-Porosity MgO under CO2 Atmosphere", Alexandria Engineering Journal, vol.91, 494 (2024).
[154] J. H. Cho#, Y. Kim#, H. K. Yu*, and S. Y. Kim*, "Advancements in 2D Covalent Organic Framework Nanosheets for Electrocatalytic Energy Conversion: Current and Future Prospects", Energy Materials, vol.4, 400013 (2024).
[153] B. J. Jeong#, K. H. Choi#, B. Lee, S. Cho, J. Kang, X. Zhang, Y. Kim, J. Jeon, H. -S. Bang, H. -S. Oh, J. -H. Lee, H. K. Yu*, and J. -Y. Choi*, "Tailoring Contacts for High-performance 1D Ta2Pt3S8 Field-Effect Transistors", ACS Applied Materials & Interfaces, vol.16, 7593 (2024).
[152] J. Jeon#, J. Kang#, X. Zhang, K. H. Choi, B. J. Jeong, C. Woo, X. Dong, S. H. Kim, J. -H. Park, J. M. Baik, H. -S. Oh*, H. K. Yu*, and J. -Y. Choi*, "Chalcogen Alloying for Band Structure Modulation of Antimony Chalcogen Iodide Alloy: 1D van der Waal materials SbSI-SbSeI system", Crystal Engineering Communications, vol.26, 817 (2024).
[151] X. Dong#, C. Woo#, C. -S. Yoo, T. Y. Kim, X. Zhang, Y. Kim, J. Kang, Y. Kim, J. -H. Park*, H. K. Yu*, and J. -Y. Choi*, "Synthesis and characterization of porous Ga2O3 material with low dielectric constant", Crystal Growth &Design, vol.24, 804 (2024).
[150] B. Lee#, S. Cho#, B. J. Jeong, S. H. Lee, D. Kim, S. H. Kim, J. -H. Park, H. K. Yu*, and J. -Y. Choi*, "Highly Response Hydrogen Sensor Based on Pd nanoparticle-decorated transfer free 3D Graphene", Sensors & Actuators: B, vol. 401, 134913 (2024).
[149] H. Shin, S. Y. Park, D. D. Megersa, J. K. Bae, I. S. Cho, and H. K. Yu*, "Fabrication of Self-Rolled Ni Catalyst using Water-Soluble Ceramics for NaBH4 Dehydrogenation", International Journal of Hydrogen Energy, vol.51, 1028 (2024).
[2023]
[148] S. Oh#, C. Woo#, J. Ahn#, X. Dong, Y. Kim, K. H. Choi, S. Chae, X. Zhang, H. -S. Bang, J. Kang, J. Jeon, H. -S. Oh, W. -S. Yoon*, H. K. Yu*, and J. -Y. Choi*, "Colloidal Synthesis of Ultrathin and Se-rich V2Se9 Nanobelt as High Performance Anode Materials for Li-ion Battery", ACS Applied Materials & Interfaces, vol.15, 55745 (2023).
[147] D. D. Megersa, G. T. Gudena, Y. Kim, and H. K. Yu*, "Chemical vapor deposition of Ru/RuSe2 catalyst for electrolytic hydrogen evolution reaction", Advanced Sustainable Systems, vol.7, 2300257 (2023), introduced as Hot Topic: Water Splitting, https://chemistry-europe.onlinelibrary.wiley.com/doi/toc/10.1002/(ISSN)2196-0216.hottopic-watersplitting
[146] Y. Kim#, X. Dong#, S. Chae#, A. Ghulam, S. Choi, B. J. Kim*, J. -Y. Choi*, and H. K. Yu*, "Ultra-high porosity MgO micro-particles for heat energy storage", Advanced Materials, vol.35, 2204775 (2023).
[145] X. Dong#, G. Asghar#, C. -S, Yoo, C. Woo, J. Jeon, X. Zhang, J. Kang, H. Bang, Y. Kim, H. -S. Oh, H. K. Yu*, and J. -Y. Choi*, "Synthesis and characterization of porous forsterite (Mg2SiO4)-filled polystyrene composites", Journal of Materials Science, vol.58, 14714 (2023).
[144] S. Chae, C. Woo, T. Y. Kim, J. Jeon, H. J. Kwon, S. Oh, K. H. Choi, X. Dong, J. Ahn, G. Asghar, H. -S. Oh, H. K. Yu, H. W. Kim, and J. -Y. Choi, "Vanadium Selenide Nanobelt Electrocatalyst for Extremely High Dopamine-Selective Detection", ACS Applied Nano Materials, vol.6, 16242 (2023).
[143] B. Lee#, B. J. Jeong#, K. H. Choi, S. Cho, J. Jeon, J. Kang, X. Zhang, H. -S. Bang, H. -S. Oh, J. -H. Lee, H. K. Yu*, and J. -Y. Choi*, "Fabrication of Field-Effect Transistor based on 2D Novel Ternary Chalcogenide PdPS, ACS Applied Materials & Interfaces, vol.15, 42891 (2023).
[142] Y. Kim#, N. Kim#, S. H. Lee, S. -K. Hyeong, J. -H. Lee, J. Lee, J. S. Bae, J. -Y. Choi*, S. Y. Kim*, and H. K. Yu*, "Enhanced Ultra High Frequency EMI Shielding with Controlled Width ITO Nano-Branches via Different Tin Material Type", Nanoscale, vol.15, 13635 (2023).
[141] S. Cho#, B. J. Jeong#, K. H. Choi, B. Lee, J. Jeon, S. H. Lee, B. J. Kim, H. -S. Oh, J. -H. Lee, H. K. Yu*, and J. -Y. Choi*, "Two-dimensional van der Waals material PdPSe: Study on transport characteristic, ACS Applied Electronic Materials, vol.5, 4409 (2023).
[140] J. K. Bae#, H. H. Cho#, H. Shin, Y. Kim, H. Ko, S. J. Lee, D. D. Megersa, G. T. Gudena, S. Chae, I. S. Cho, and H. K. Yu*, "One-Step Synthesis of Bi2O2Se Microstructures for Trace Oxygen Gas Sensor Application", Sensors & Actuators: B, vol.394, 134398 (2023).
[139] H. H. Cho#, S. H. Lee#, D. Kim, H. K. Yu*, J. -Y. Choi*, and J. -H. Park*, "Fabrication of UV-C photodetector with ultimate stability in extreme space environments (radiation, low temperature) using aerosol-deposited Ga2O3", Ceramics International, vol.49, 30375 (2023).
[138] B. J. Jeong#, B. Lee#, K. H. Choi, D. Sung, S. Ghods, J. Lee, J. Jeon, S. Cho, S. H. Lee, B. J. Kim, S. -I. Kim. J. Huh, H. K. Yu, J. -H. Lee, and J. -Y. Choi, "Controlled bipolar doping of one-dimensional van der Waals Nb2Pd3Se8", Nano Letters, vol.23, 6269 (2023)
[137] D. D. Megersa#, H. H. Cho#, Y. Kim, G. T. Gudena, J. Lee, J. S. Bae, S. Chae, and H. K. Yu*, "Position selective growth of WO3 nano-sheet for NH3 gas sensors", Crystal Growth & Design, vol.23, 3447 (2023)
[136] G. Kwak#, Y. -S. Jeong#, S. W. Kim#, H. J. Kim, J. K. Kim, J. Choi, K. G. Song, W. J. Choi, H. -C. Song*, J. M. Baik*, and H. K. Yu*, "Hybrid photothermal structure based on Cr-MgF2 solar absorber/PMMA-graphene heat reservoir for thermoelectric power generation", Nano Energy, vol.110, 108352 (2023).
[135] G. Asghar#, X. Dong#, S. Chae, C. -S. Yoo, S. Oh, K. H. Choi, J. Jeon, C. Woo, T. Y. Kim, J. Ahn, H. -S. Oh, H. K. Yu*, and J. -Y. Choi*, "Dielectric properties of low-temperature sintered forsterite (Mg2SiO4) using high-dispersion and nanoparticle-based solid-state reaction process", Materials Letters, vol.337, 134009 (2023).
[134] H. E. Jang#, H. H. Cho#, H. K. Yu*, J. -Y. Choi*, and J. -H. Park*, "Synthesis of polycrystalline gallium oxide solar-blind ultraviolet photodetector by Aerosol Deposition", Journal of the European Ceramic Society, vol.43, 2534 (2023).
[133] S. H. Lee#, B. J. Jeong#, K. H. Choi, J. Jeon, B. Lee, S. Cho, H. E. Jang, H. H. Cho, H. -S. Oh, B. J. Kim, H. K. Yu*, and J. -Y. Choi*, "CVD Growth of a Horizontally Aligned One-Dimensional Van der Waals Material, Nb2Se9", Crystal Growth & Design, vol.23, 946 (2023).
[132] G. T. Gudena#, H. H. Cho#, D. D. Megersa, J. Lee, J. S. Bae, and H. K. Yu*, "Single-step growth of MoO3 nanorods by magnetron sputtering for humidity sensors", Crystal Engineering Communications, vol.25, 378 (2023).
[131] G. Asghar#, X. Dong#, S. Chae, S. Saqlain , S. Oh, K. H. Choi, J. Jeon, C. Woo, T. Y. Kim, J. Ahn, H. -S. Oh, J. -H. Park, H. K. Yu*, and J. -Y. Choi*, "Synthesis of TiO2 nanoparticles embedded in SiO2 for UV protection application, Crystal Growth & Design, vol.23, 256 (2023).
[130] K. M. Kim#, H. H. Cho#, H. K. Yu*, and M. H. Kim*, "Single phase ZnV2O6 nanorods with excellent visible light photodetection capability", Journal of Alloys and Compounds, vol.938, 168676 (2023).
[129] N. Kim, H. H. Cho, Y. Kim, J. Hwang, J. -Y. Choi*, and H. K. Yu*, "Formation of palladium nano-gap on self-cracked WO3 for hydrogen gas sensors", International Journal of Hydrogen Energy, vol.48, 1234 (2023).
[128] G. Asghar#, X. Dong#, S. Chae, S. Oh, K. H. Choi, J. Jeon, C. Woo, T. Y. Kim, J. Ahn, H. -S. Oh, H. K. Yu*, and J. -Y. Choi*, "Synthesis of hollow forsterite by coating method and study of its dielectric properties", Ceramics International, vol.49, 4826 (2023).
[2022]
[Domestic magazine] 류 학기*, "Quasi-1D M2N3Se8 (M2N3S8) 소재합성 및 응용기술 (Quasi-1D M2N3Se8 (M2N3S8) : Synthesis and applications)" Ceramist, vol.25, 372 (2022).
[127] S. Cho#, B. J. Jeong#, K. H. Choi, B. Lee, J. Jeon, S. H. Lee, B. J. Kim, J. -H. Lee, H. -S. Oh, H. K. Yu*, and J. -Y. Choi*, "Novel quasi-1D current carrying material: Nb2PdS6", Small, vol.18, 2205344 (2022).
[126] T. Y. Kim#, C. Woo#, K. H. Choi, X. Dong, J. Jeon, J. Ahn, X. Zhang, J. Kang, H. -S. Oh, H. K. Yu*, and J. -Y. Choi*, "Colloidal synthesis of 1-D van der Waals material Nb2Se9: Synergism Study of coordinating agent in co-solvent system", Nanoscale, vol.14, 17365 (2022).
[125] C. Park, N. Lee, I. S. Cho, B. Ahn, H. K. Yu, and J. Lee, "Effects of cobalt oxide catalyst on pyrolysis of polyester fiber ", Korean Journal of Chemical Engineering, vol.39, 3343 (2022).
[124] K. H. Choi#, S. Cho#, B. J. Jeong, B. Lee, J. Jeon, J. Kang, X. Zhang, H. -S. Oh, J. -H. Lee, H. K. Yu*, and J. -Y. Choi*, "One-Dimensional van der Waals Material InSeI with Large Band-gap for Optoelectronic Applications", Journal of Alloys and Compounds, vol.927, 166995 (2022).
[123] J. Jeon#, C. Woo#, K. H. Choi, B. J. Jeong, J. Kang, X. Zhang, X. Dong, T. Y. Kim, J. Ahn, H. -S. Oh, H. K. Yu*, and J. -Y. Choi*, "Synthesis and polymorphism of a new phase 1D chalcogenide M2N3X8 structure based on the periodic table: Ta2Ni3S8 with a tetragonal structure", Journal of Alloys and Compounds, vol.926, 166752 (2022).
[122] S. H. Lee#, B. Lee#, B. J. Kim, B. J. Jeong, S. Cho, H. E. Jang, H. H. Cho, J. -H. Lee, J. -H. Park, H. K. Yu*, and J. -Y. Choi*, "Liquid precursor assisted chemical vapor deposition of 1-D van der Waals materials Nb2Se9: Tunable growth for room temperature gas sensors", ACS Sensors, vol.7, 1912 (2022).
[121] K. H. Choi#, J. Jeon#, B. J. Jeong, S. Chae, S. Oh, C. Woo, T. Y. Kim, J. Ahn, J. -H. Lee, H. K. Yu*, and J. -Y. Choi*, "One-dimensional van der Waals Nb2Pd3Se8 based n-type Field-Effect Transistors Prepared by Liquid Phase Exfoliation", Advanced Materials Interfaces, vol.9, 2200620 (2022).
[120] C. Woo#, S. Chae#,T. Y. Kim, J. Jeon, X. Dong, G. Asghar, K. H. Choi, S. Oh, J. Ahn, X. Zhang, H. K. Yu*, and J. -Y. Choi*, "Colloidal Synthesis of Chromium Phosphide Assisted by Partial Oxidation and its Electrocatalytic Activity in Oxygen Reduction Reaction", Crystal Growth & Design, vol.22, 4157 (2022).
[119] N. Tuqeer#, B. J. Kim#, S. H. Lee, B. J. Jeong, S. Cho, B. Lee, S. O. Yoon, H. E. Jang, H. K. Yu*, and J. -Y. Choi*, "Wafer scale vertical graphene growth on SiO2 by remote metal catalyst assisted MOCVD and its application as NO2 gas sensor", Crystal Growth & Design, vol.22, 4192 (2022).
[118] S. Oh#, S. Chae#, M. Kwon#, J. Ahn, C. Woo, K. H. Choi, J. Jeon, X. Dong, T. Y. Kim, G. Asghar, H. Kim, H. -J. Paik*, H. K. Yu*, and J. -Y. Choi*, "Organic Dispersion of Mo3Se3− Single-Chain Atomic Crystals Using Surface Modification Methods", ACS nano, vol.16, 8022 (2022).
[117] D. D. Megersa, Y. Kim, N. Kim, J. Lee, J. S. Bae, J. -Y. Choi*, and H. K. Yu*, "Ru/Graphene hybrid film catalyst for NaBH4 hydrolysis reaction", International Journal of Hydrogen Energy, vol.47, 15687 (2022).
[116] X. Dong#, B. Lee#, A. Ghulam, J. Akedo, H. K. Yu*, J. -Y. Choi*, and J. -H. Park*, "Dielectric Properties of Lead Zirconate Titanate/Au Composite Film prepared by Aerosol Deposition", Materials Chemistry and Physics, vol.284, 126078 (2022).
[115] S. H. Lee#, N. Kim#, J. H. Jeong, B. -H. Kim, H. K. Yu*, and M. H. Kim*, "Direct transformation of ReO3 nanorods into ReS2 nanosheets on carbon fibers for modulating solid-gas interactions", Crystal Engineering Communications, vol.24, 2036 (2022).
[114] J. Jeon#, C. Woo#, K. H. Choi, B. J. Jeong, S. Chae, S. Oh, S. O. Yoon, J. Ahn, T. Y. Kim, S. H. Lee, X. Dong, J. Ali, G. Asghar, X. Zhang, J. Kang, J. H. Park, H. K. Yu*, and J. -Y. Choi*, "Polymorphism of low dimensional material with ternary composition chalcogenide Ta2Ni3Se8", Journal of Alloys and Compounds, vol.907, 164463 (2022).
[113] S. Oh#, J. Jeon#, K. H. Choi, S. Chae, J. H. Park, J. -H. Lee, H. K. Yu*, and J. -Y. Choi*, "Synthesis of one-dimensional van der Waals material alloys", Applied Physics Letters, vol.120, 061903, Invited to special issues of vdWs 1D materials (2022).
[112] B. J. Jeong#, K. H. Choi#, J. Jeon, S. O. Yoon, Y. K. Chung, D. Sung S. Chae, B. J. Kim, S. Oh, S. H. Lee, C. Woo, T. Y. Kim, J. Ahn, J. -H. Lee, J. Huh, H. K. Yu*, and J. -Y. Choi*, "Ternary Transition Metal Chalcogenide Nb2Pd3Se8: 1-Dimensional van der Waals materials for a High-Performance Field-Effect Transistor", Advanced Functional Materials, vol.32, 2108104 (2022).
[2021]
[111] Y. Kim#, S. Hyung#, Y. Choi, S. -K. Lee, J. -H. Lee*, and H. K. Yu*, "Transparent flexible electromagnetic shielding film using ITO nano-branches by internal-scattering", ACS Applied Materials & Interfaces, vol.13, 61413 (2021).
[110] S. O. Yoon#, J. Jeon#, K. H. Choi, B. J. Jeong, S. Chae, B. J. Kim, S. Oh, C. Woo, B. Lee, S. H. Cho, T. Y. Kim, H. E. Jang, J. Y. Ahn, X. Dong, A. Ghulam, J. H. Park, J. -H. Lee, H. K. Yu*, and J. -Y. Choi*, "High Breakdown Current Density in Quasi-1D van der Waals Layered Ta2NiSe7 Single Crystal", ACS Applied Materials & Interfaces, vol.13, 52871 (2021).
[109] B. J. Jeong#, K. H. Choi#, J. Jeon, S. O. Yoon, Y. K. Chung, D. Sung, S. Chae, S. Oh, B. J. Kim, S. H. Lee, C. Woo, T. Y. Kim, J. Ahn, J. Huh, J. -H. Lee, H. K. Yu*, and J. -Y. Choi*, "One-dimensional van der Waals stacked p-type crystal Ta2Pt3Se8 for nanoscale electronics", Nanoscale, vol.13, 17945 (2021).
[108] J. Jeon#, S. Oh#, K. H. Choi, S. Chae, C. Woo, X. Dong, A. Ghulam, J. Ahn, T. Y. Kim, A. Junaid, H. K. Yu*, and J. -Y. Choi*, "Synthesis of one-dimensional atomic chain LiMo3Se3 through ion-exchange reaction from InMo3Se3: Kinetics and thermodynamics", Ceramics International, vol.47, 33606 (2021).
[107] N. Kim, Y. Kim, J. B. Park, H. H. Cho, D. K. Lee, G. Kwak, and H. K. Yu*, "Micro-Networked Metal Coating using Self-Cracked WO3 Inorganic Thin Film as Sacrificial Layer: Application to Transparent Flexible Electrodes", Thin Solid Films, vol.736, 138916 (2021).
[106] H. K. Yu#, S. Oh#, K. H. Choi, J. Jeon, X. Dong, S. H. Lee, J. -Y. Choi*, J. Akedo*, and J. -H. Park*, "Al2O3 coated glass by aerosol deposition exhibits excellent mechanical properties for mobile electronic displays", Ceramics International, vol.47, 30531 (2021).
[105] K. H. Choi#, B. J. Jeong#, J. Jeon, Y. K. Chung, D. Sung, S. O. Yoon, S. Chae, B. J. Kim, S. Oh, S. H. Lee, C. Woo, X. Dong, A. Ghulam, J. Ali, T. Y. Kim, M. Seo, J. -H. Lee, J. Huh, H. K. Yu*, and J. -Y. Choi*, "Ta2Ni3Se8: One-dimensional van der Waals Material with ambipolar behavior", Small, vol.17, 2102602 (2021).
[104] Y. Kim, H. H. Cho, J. K. Bae, J. Lee, S. H. Lee, X. Dong, A. Ghulam, J. -Y. Choi*, and H. K. Yu*, "Mechanical properties study of VO2 micro-beam according to metal-insulator transition", Journal of the American Ceramic Society, vol.104, 4183 (2021).
[103] S. Chae#, S. Oh#, K. H. Choi, J. W. Lee, J. Jeon, Z. Liu, C. Wang, C. Woo, L. Shi, J. Kang, S. J. Kim, S. Y. Song, J. H. Lee*, H. K. Yu*, and J. -Y. Choi*, "Aqueous Dispersion of 1D van der Waals Mo6S3I6 Crystal Using Biocompatible Tri-Block Copolymer", Ceramics International, vol.47, 11935 (2021).
[102] K. H. Choi#, J. Jeon#, S. Oh, S. Chae, B. J. Jeong, S. O. Yoon, C. Woo, X. Dong, A. Ghulam, C. Lim, M. Seo, T. Y. Kim, Z. Liu, C. Wang, A. Junaid, J. -H. Lee, H. K. Yu*, and J. -Y. Choi*, "Family of low dimensional materials system with ternary elements Ta2NixSey: Growth strategy for Ta2NiSe5 and Ta2NiSe7", Journal of Alloys and Compounds, vol.867, 159054 (2021).
[101] I. J. Choi#, B. J. Kim#, S. H. Lee, B. J. Jeong, T. Nasir, Y. S. Cho, N. Kim, J. -H. Lee, H. K. Yu*, and J. -Y. Choi*, "Room temperature NO2 gas sensors using morphology controlled CVD-grown tellurium nanostructures", Sensors & Actuators: B, vol.333, 128891 (2021).
[100] K. H. Choi#, S. Oh#, S. Chae, B. J. Jeong, B. J. Kim, J. Jeon, S. H. Lee, S. O. Yoon, C. Woo, X. Dong, A. Ghulam, C. Lim, Z. Liu, C. Wang, A. Junaid, J. -H. Lee, H. K. Yu*, and J. -Y. Choi*, "Transition metal thiophosphates Nb4P2S21: New kind of 2D material for multi-functional sensors", Journal of Alloys and Compounds, vol.864, 158811 (2021).
[99] S. Chae#, S. Oh#, K. H. Choi, J. W. Lee, J. Jeon, Z. Liu, C. Wang, C. Lim, X. Dong, C. Woo, G. Asghar, L. Shi, J. Kang, S. J. Kim, S. Y. Song, J. H. Lee*, H. K. Yu*, and J. -Y. Choi*, "A study on the bio-applicability of aqueous-dispersed van der Waals 1-D material Nb2Se9 using Poloxamer", Scientific Reports, vol. 11, 176 (2021).
[98] K. H. Choi#, S. Oh#, S. Chae, B. J. Jeong, B. J. Kim, J. Jeon, S. H. Lee, S. O. Yoon, C. Woo, X. Dong, A. Ghulam, C. Lim, Z. Liu, C. Wang, A. Junaid, J. -H. Lee, H. K. Yu*, and J. -Y. Choi*, "Low ligand field strength ion (I-) mediated 1-dimensional inorganic material MoI3: Synthesis and application to photo-detectors", Journal of Alloys and Compounds, vol.853, 157375 (2021).
[2020]
[Domestic magazine] 류 학기*, "Position Selective Metal Oxide Nanostructures using Atomic Thin Carbon Layer for Hydrogen Gas Sensors", Journal of Sensor Science and Technology, vol.29, 369 (2020). Invited paper.
[97] T. Nasir, B. J. Kim, M. Hassnain, S. H. Lee, B. J. Jeong, I. J. Choi, Y. Kim, H. K. Yu*, and J. -Y. Choi*, "Plasticized Polystyrene by Addition of –Diene Based Molecules for Defect-less CVD Graphene Transfer", Polymers, vol.12, 1839 (2020).
[96] W. J. Dong, H. K. Yu, and J. -L. Lee, "Abnormal dewetting of Ag layer on three-dimensional ITO branches to form spatial plasmonic nanoparticles for organic solar cells", Scientific Reports, vol.10, 12819 (2020).
[95] S. Chae#, S. Oh#, K. H. Choi, J. Jeon, Z. Liu, C. Wang, C. Lim, X. Dong, C. Woo, G. Asghar, J. Chang, M. Nurunnabi, J. Kang, S. Y. Song*, H. K. Yu*, and J. -Y. Choi*, "Aqueous dispersion of 1-dimensional van der Waals material Mo6S3I6 with the charge type of the hydrophobic dispersant tail", ACS Applied Bio Materials, vol.3, 3992 (2020).
[94] S. W. Hwang, D. H. Seo, J. U. Kim, D. K. Lee, K. S. Choi, C. Jeon, H. K. Yu*, and I. S. Cho*, "Bismuth Vanadate Photoanode Synthesized by Electron-Beam Evaporation of a Single Precursor Source for Enhanced Solar Water-Splitting", Applied Surface Science, vol.528, 146906 (2020).
[Domestic magazine] 류 학기*, "반데르발스 결합 기반 1차원 선형소재 연구", Bulletin of Korean Chemical Science and Technology, vol. 12, 54 지상초대석 (2020). Invited paper.
[93] S. H. Lee#, B. J. Kim#, T. Nasir, I. J. Choi, B. J. Jeong, C. Woo, H. K. Lim, Y. Kim, S. S. Nanda, D. K. Yi, H. K. Yu*, and J. -Y. Choi*, "Designed growth of porous 2-dimensional Nb2O5 with Ag nanoparticles for differential detection of UV-A and UV-C", Nanotechnology, vol.31, 315502 (2020).
[92] S. Jeon, J. H. Jeong, H. Yoo, H. K. Yu, B. -H. Kim, and M. H. Kim, "RuO2 Nanorods on Electrospun Carbon Nanofibers for Supercapacitors", ACS Applied Nano Materials, vol.3, 3847 (2020).
[91] Y. Kim#, S. H. Lee#, S. Jeong, B. J. Kim, I. J. Choi, B. J. Jeong, J. -Y. Choi*, and H. K. Yu*, "Conversion of WO3 thin films into self-crosslinked nanorods for large-scale ultraviolet detection", RSC Advances, vol.10, 14147 (2020).
[90] S. Oh#, K. H. Choi#, S. Chae, B. J. Kim, B. J. Jeong, S. H. Lee, J. Jeon, Y. Kim, S. S. Nanda, L. Shi, D. K. Yi, J. -H. Lee, H. K. Yu*, and J. -Y. Choi*, "Large-area synthesis of van der Waals two-dimensional material Nb3I8 and its infrared detection applications", Journal of Alloys and Compounds, vol.831, 154877(2020).
[89] Y. Kim, J. Lee, N. Kim, and H. K. Yu*, "Thermal conductivity controlled Mg1-xZnxO/Mg(OH)2 micro-structures for high efficiency of thermodynamical heat storage", Journal of Asian Ceramic Societies, vol.8, 50 (2020).
[2019]
[88] G. He, Q. Wang, H. K. Yu, D. Farías, Q. Wang, Y. Liu, and A. Politano, "Water-induced hydrogenation of graphene/metal interfaces at room temperature: insights on water intercalation and identification of sites for water splitting", Nano Research, vol.12, 3101 (2019).
[87] S. Chae#, A. J. Siddiqa#, S. Oh, B. J. Kim, K. H. Choi, H. K. Yu*, and J. -Y. Choi*, "Design of dispersant for highly concentrated one-dimensional Nb2Se9 inorganic molecular chains from bulk crystal", Scientific Reports, vol.9, 14579 (2019).
[86] W. J. Dong, S. Kim, J. Y. Park, H. K. Yu, and J. -L. Lee, "Ultrafast and chemically stable transfer of Au nanomembrane using a water-soluble NaCl sacrificial layer for flexible solar cells", ACS applied materials & interfaces, vol.11, 30477 (2019).
[85] Y. Kim, N. Kim, T. S. Kim, G. J. Park, Y. Kwon, and H. K. Yu*, "Mg(OH)2 nano-sheet decorated MgO micro-beams by electron beam irradiation for thermochemical heat storage", Ceramics International, vol.45, 18908 (2019).
[84] B. J. Kim, B. J. Jeong, S. Oh, S. Chae, K. H. Choi, T. Nasir, S. H. Lee, H. K. Lim, I. J. Choi, M. -K. Hong, H. K. Yu, J. H. Lee, and J. -Y. Choi, "Thickness-Dependence Electrical Characterization of the One-Dimensional van derWaals TaSe3 Crystal", Materials, vol.12, 2462 (2019).
[83] D. K. Lee#, K. S. Choi#, J. Lee, Y. Kim, S. Oh, H. Shin, C. Jeon, and H. K. Yu*, "Strategy for controlling the electrical conductivity of ITO nanobranches", Advanced Electronic Materials, vol.5, 1900246 (2019).
[82] J. -Y. Moon, S. -I. Kim, S. -K. Son, S. -K. Kang, J. -Y. Lim, D. K. Lee, B. Ahn, D. Whang*, H. K. Yu*, and J. -H. Lee*, "An eco-friendly, CMOS-compatible transfer process for large-scale CVD-graphene", Advanced Materials Interfaces, vol.6, 1900084 (2019). Selected as Inside Back Cover article. http://www.pressian.com/news/article/?no=248991
[81] S. Oh#, S. Chae#, K. H. Choi, B. J. Kim, S. H. Lee, C. Wang, Z Liu, J. Jeon, J. -H. Lee, H. K. Yu*, and J. -Y. Choi*, "Large-scale synthesis of van der Waals 1-dimensional material Mo6S3I6 by using a MoI2 precursor", Journal of Alloys and Compounds, vol.803, 499 (2019).
[80] J. Lee#, K. Min#, Y. Kim, and H. K. Yu*, "Surface-Enhanced Raman Spectroscopy (SERS) Study Using Oblique Angle Deposition of Ag Using Different Substrates", Materials, vol.12, 1581 (2019).
[79] J. Lee, S. Hyun, K. S. Choi, C. Jeon, and H. K. Yu*, "Electro-Chemical Oxidation and Reduction of Ag as Preparation for a High-Efficiency Surface Enhanced Raman Scattering (SERS) Substrate", Journal of the Electrochemical Society, vol.166, B594 (2019).
[Domestic magazine] 류 학기*, "산화물 세라믹 재료 기반 자외선 센서(Ultra violet (UV) sensor based on oxide ceramic materials)" Ceramist, vol. 22, 27 (2019).
[78] B. J. Kim#, B. J. Jeong#, S. Oh, S. Chae, K. H. Choi, S. S. Nanda, T. Nasir, S. H. Lee, K. W. Kim, H. K. Lim, I. J. Choi, M. -K. Hong, D. K. Yi, H. K. Yu, J. -H. Lee, and J. -Y. Choi, "Structural and electrical properties of Nb3I8 layered crystal", Physica Status Solidi – RRL, vol.13, 1800448 (2019).
[77] Y. Lee#, B. -U. Ye#, D. K. Lee, J. M. Baik*, H. K. Yu*, and M. H. Kim*, "Electrical properties of alkali metal (Na, Li, and K) vanadate nanorods: Rasch-Hinrichsen resistivity", Current Applied Physics, vol.19, 516 (2019).
[76] J. Lee, H. Shin, K. S. Choi, J. Lee, J. -Y. Choi*, and H. K. Yu*, "Carbon layer supported Ni catalyst for Sodium Borohydride (NaBH4) hydrogenation", International Journal of Hydrogen Energy, vol.44, 2943 (2019).
[75] A. Sharma, H. K. Yu. I. S. Cho, H. Seo, B. Ahn, "ZrO2 Nanoparticle Embedded Low Silver Lead Free Solder Alloy for Modern Electronic Devices", Electron Materials Letters, vol.15, 27 (2019).
[74] L. T. Duy, G. Lee, J. Kim, B. Ahn, I. S. Cho, H. K. Yu, and H. Seo, "Improving p-to-n transition and detection range of bimodal hydrogen-sensitive nanohybrids of hole-doped rGO and chemochromic Pd-decorated-MoO3 nanoflakes", Journal of Alloys and Compounds, Vol. 774, 111 (2019).
[2018]
[73] S. Oh#, S. Chae#, B. J. Kim, A. J. Siddiqa, K. H. Choi, K. H. Lee, H. Y. Kim, W. -S. Jang, D. K. Lee, Y. -M. Kim, H. K. Yu*, and J. -Y. Choi*, "Inorganic Molecular Chain Nb2Se9: Synthesis of Bulk Crystal and One-Atom-Thick Level Exfoliation", Physica Status Solidi – RRL, vol.12, 1800451 (2018).
[72] T. Nasir#, B. J. Kim#, K. W. Kim, S. H. Lee, H. K. Lim, D. K. Lee, B. J. Jeong, H. C. Kim, H. K. Yu*, and J. -Y. Choi*, "Design of softened-polystyrene for crack and contamination free large area graphene transfer", Nanoscale, vol.10, 21865 (2018).
[71] B. J. Kim#, B. J. Jeong#, S. Oh, S. Chae, K. H. Choi, T. Nasir, S. H. Lee, K. W. Kim, H. K. Lim, I. J. Choi, L. Chi, S. -H. Hyun, H. K. Yu, J. -H. Lee, and J. -Y. Choi, "Mechanical exfoliation and electrical characterization of a one-dimensional Nb2Se9 atomic crystal", RSC Advances, Vol.8, 37724 (2018).
[70] S. Chae#, A. J. Siddiqa#, B. J. Kim, S. Oh, K. H. Choi, H. Y. Kim, K. H. Lee, H. K. Yu, and J. -Y. Choi, "Design of dispersant structures for preparing highly concentrated one-dimensional inorganic molecular chains from V2Se9 crystals", Chemical Communications, vol.54, 12190 (2018).
[69] K. W. Kim#, B. J. Kim#, S. H. Lee, T. Nasir, H. K. Lim, I. J. Choi, B. J. Jeong, J. Lee, H. K. Yu and J. -Y. Choi, "Growth of NbC thin film using CH4 as carbon source and reducing agent", Coatings, vol.8, 379 (2018).
[68] S. Chae#, A. J. Siddiqa#, B. J. Kim, S. Oh, K. H. Choi, K. H. Lee, H. Y. Kim, H. K. Yu, and J. -Y. Choi, "Isolation of inorganic molecular chain from rod-like bulk V2Se9 crystal by liquid exfoliation", RSC Advances, Vol. 8, 35348 (2018).
[67] S. Chae#, A. J. Siddiqa#, S. Oh, B. J. Kim, K. H. Choi, W. -S. Jang, Y. -M. Kim, H. K. Yu*, and J. -Y. Choi*, "Isolation of Nb2Se9 molecular chain from bulk one-dimensional crystal by liquid exfoliation", Nanomaterials, Vol.8, 794 (2018).
[66] S. Oh#, S. Chae#, B. J. Kim, K. H. Choi, W. -S. Jang, J. Jang, Y. Hussain, D. K. Lee, Y. -M. Kim, H. K. Yu*, and J. -Y. Choi*, "Synthesis of One-dimensional Atomic Crystal of V2Se9", RSC Advances, Vol.8, 33980 (2018).
[65] M. Oh#, H. K. Yu#, J. -H. Lee, M. C. Oh, S. -H. Jung, and B. Ahn, "Quantitative analysis of cryomilled nanocrystalline Ti-6Al-4V alloy powder by X-ray diffraction" Archives of Metallurgy and Materials, Vol.63, 1439 (2018), #equal contribution as first author.
[64] A. Lee, J. -Y. Choi*, and H. K. Yu*, "Mimicking of Five Human Senses using Nanostructured ZnO Single Material", Nanotechnology, Vol.29, 475501 (2018).
[63] J. Lee#, H. Shin#, J. -Y. Choi*, and H. K. Yu*, "Suppressing Grain Growth on Cu Foil Using Graphene", Coatings, Vol.8, 334 (2018).
[62] B. J. Kim#, B. J. Jeong#, S. Oh, S. Chae, K. H. Choi, T. Nasir, S. H. Lee, K. W. Kim, H. K. Lim, I. J. Choi, J. -Y. Moon, H. K. Yu, J. -H. Lee, and J. -Y. Choi, "Exfoliation and Characterization of V2Se9 Atomic Crystals", Nanomaterials, Vol.8, 737 (2018).
[61] K. W. Kim#, B. J. Kim#, S. H. Lee, T. Nasir, H. -K. Lim, I. J. Choi, B. J. Jeong, J. Lee, H. K. Yu and J. -Y. Choi, "Triangular radial Nb2O5 nanorod growth on c-plane sapphire for ultraviolet-radiation detection", RSC Advances, Vol.8, 31066 (2018).
[60] D. K. Lee, T. S. Kim, J. -Y. Choi*, and H. K. Yu*, "Recrystallized NaCl from thin film to nano-micro sized sacrificial crystal for metal nanostructures", Crystal Growth & Design, Vol.18, 5295 (2018).
[59] K. Hong, H. K. Yu, I. Lee, S. Kim, K. Kim, Y. Kim, and J. -L. Lee, "Flexible Top-Emitting Organic Light Emitting Diodes with Functional Dielectric Reflector on Metal Foil Substrate", RSC Advances, Vol.8, 26156 (2018).
[58] G. Anemone, E. Climent-Pascual, A. Al Taleb, H. K. Yu, F. Jimenez-Villacorta, C. Prieto, A. M. Wodtke, A. De Andres, and D. Farias, "A simple means of producing highly transparent graphene on sapphire using chemical vapor deposition on a copper catalyst", Carbon, Vol.139, 593 (2018).
[Domestic magazine] 류 학기*, "1차원 무기 반도체 신 물질 재료의 연구 개발 동향" Ceramist, vol.21, 29 (2018).
[57] K. Min, K. S. Choi, W. J. Jeon, D. K. Lee, S. Oh, J. Lee, J. -Y. Choi*, and H. K. Yu*, "Hierarchical Ag nanostructures on Sn-doped indium oxide nano-branches: Super-hydrophobic surface for surface-enhanced Raman scattering", RSC Advances, vol.8, 12927 (2018).
[56] H. K. Yu*, "Secondary electron emission properties of Zn doped MgO thin films grown via electron-beam evaporation", Thin Solid Films, vol.653, 57 (2018).
[55] K. Min, W. J. Jeon, Y. Kim, J. -Y. Choi*, and H. K. Yu*, "Spontaneous nano-gap formation in Ag film using NaCl sacrifical layer for Raman enhancement", Nanotechnology, vol.29, 105502 (2018).
[54] A. Politanoa, H. K. Yu, D. Farías, and G. Chiarello, "Multiple acoustic surface plasmons in graphene/Cu(111) contacts", Physical Review B, vol.97, 035414 (2018).
[53] B. N. Kim, G. K. Seo, S. W. Hwang, H. K. Yu, B. Ahn, H. Seo, and I. S. Cho, "Photophysical Properties and Photoelectrochemical Performances of Sol-gel Derived Copper Stannate (CuSnO3) Amorphous Semiconductor for Solar Water Splitting Application", Ceramics International, vol.44, 1843 (2018).
[2017]
[52] J. Lee#, S. Y. Lee#, and H. K. Yu*, "Contamination-free graphene transfer from Cu-foil and Cu-thin-film/sapphire", Coatings, vol.7, 218 (2017).
[51] I. -H. Yoo, S. S. Kalanur, K. Eom, B. Ahn, I. S. Cho, H. K. Yu, H. Jeon, and H. Seo, "Plasmon-enhanced ZnO nanorod/Au NPs/Cu2O structure solar cells: Effects and Limitations", Korean Journal of Chemical Engineering, vol.34, 3200 (2017).
[50] A. Lee#, K. S. Choi#, J. Park, T. S. Kim, J. Lee, J. -Y. Choi*, and H. K. Yu*, "Position and number of layer (n = 0, 1, and >= 2) controlled graphene growth using Ni and MgO patterned ultra-flat Cu foil", RSC Advances, vol.7, 52187 (2017).
[49] B. J. Kim#, N. K. Shrivastava#, T. Nasir, K. S. Choi, J. Lee, H. C. Kim, K. W. Kim, M. Devika, S. H. Lee, B. J. Jeong, H. K. Yu*, and J. -Y. Choi*, "Poly-Trimethoxyphenylsilane for carrier-film of residual-free CVD-graphene transfer", Physica Status Solidi – RRL, vol.11, 1700240 (2017).
[48] A. Lee, J. Park, K. S. Choi, J. Lee, I. Yoo, I. S. Cho, B. Ahn, H. Seo, J. -Y. Choi*, and H. K. Yu*, "Position selective metal oxide nano-structures using graphene catalyst for gas sensors", Carbon, vol.125, 221 (2017).
[47] S. Kim#, H. K. Yu#, S, Yoon, N. -S. Lee, and M. H. Kim, "Growth of two-dimensional rhenium disulfide (ReS2) nanosheets with a few layers at low temperature", Crystal Engineering Communications, vol.19, 3455 (2017), #equal contribution as first author.
[46] D. K. Lee, S. Kim, S. Oh, J. -Y. Choi*, J. -L. Lee*, and H. K. Yu*, "Water-soluble epitaxial NaCl thin film for fabrication of flexible devices", Scientific Reports, vol.7, 8716 (2017).
[45] T. H. Noh, S. W. Hwang, J. U. Kim, H. K. Yu, H. Seo, B. Ahn, D. W. Kim, and I. S. Cho , "Optical Properties and Visible light-induced Photocatalytic activity of Bismuth Sillenites (Bi12XO20, X = Si, Ge, Ti)", Ceramics International, vol.43, 12102 (2017).
[44] S. H. Chun, H. Y. Kim, H. Jang, Y. Lee, A. Jo, N. -S. Lee, H. K. Yu, Y. Lee, M. H. Kim, and C. Lee, "A facile growth process of highly single crystalline Ir1-xVxO2 mixed metal oxide nanorods and their electrochemical properties", Crystal Engineering Communications, vol.19, 3455 (2017).
[43] A. Politano, I. Radovic, D. Borka, Z. L. Miskovic, H. K. Yu, D. Farías, and G. Chiarello, "Dispersion and damping of the interband π plasmon in graphene grown on Cu(111) foils", Carbon, vol.114, 70 (2017).
[42] S. Y. Lee, J. Kim, B. Ahn, I. S. Cho, H. K. Yu, and H. Seo, "Photochemical tuning of ultrathin TiO₂/p-Si p-n junction properties via UV induced H doping", Electronic Materials Letters, vol.13, 107 (2017).
[2016]
[41] A. Lee, G. Kim, S. J. Yoo, I. S. Cho, H. Seo, B. Ahn, and H. K. Yu*, "Growth of ZnO thin film on graphene transferred Si (100) substrate", Thin Solid Films, vol.619, 68 (2016).
[40] J. Lee#, A. Lee#, and H. K. Yu*, "Graphene protected Ag nanowires: Blocking of surface migration for thermally stable and wide-range-wavelength transparent flexible electrodes", RSC Advances, vol.6, 84985 (2016).
[39] H. K. Yu*, "Copper micro-labyrinth with graphene skin: New transparent flexible electrodes with ultimate low sheet resistivity and superior stability", Nanomaterials, vol.6, 161 (2016)
[38] H. K. Yu and J. -L. Lee, "Understanding of preferred orientation formation in rock-salt materials: The case of MgO", Crystal Growth & Design, vol.16, 1978 (2016).
[37] P. Willke, C. Möhle, A. Sinterhauf, H. K. Yu, A. M. Wodtke, and M. Wenderoth, "Local transport measurements in Graphene on SiO2 using Kelvin Probe Force Microscopy", Carbon, vol.102, 470 (2016).
[36] J. Ham, J. Y. Park, W. J. Dong, G. H. Jung, H. K. Yu, and J. -L. Lee, "Antireflective Indium-Tin-Oxide Nanobranches for Efficient Organic Solar Cells", Applied Physics Letters, vol.108, 073903 (2016).
[35] G. Anemone, E. Climent-Pascual, H. K. Yu, A. Al Taleb, F. Jimenez-Villacorta, C. Prieto, A. M. Wodtke, A. De Andres, and D. Farias, "Quality of graphene on sapphire: long-range order from helium diffraction versus lattice defects from Raman spectroscopy", RSC Advances, vol.6, 21235 (2016).
[34] L. Zuccaro, A. Kuhn, M. Konuma, H. K. Yu, K. Kern, and Kannan Balasubramanian, "Selective functionalization of graphene peripheries using bipolar electrochemistry", ChemElectroChem, vol.3, 372 (2016).
[2015]
[33] L. Zuccaro, C. Tesauro, T. Kurkina, P. Fiorani, B. R. Knudsen, H. K. Yu, K. Kern, A. Desideri, and K. Balasubramanian, "Real-time label-free direct electronic monitoring of topoisomerase enzyme binding kinetics on graphene", ACS nano, vol.9, 11166 (2015).
[32] A. Al Taleb#, H. K. Yu#, G. Anemone, D. Farias, and A. M. Wodtke, "Helium diffraction and acoustic phonons of graphene grown on copper foil", Carbon, vol.95, 731 (2015), #equal contribution as first author.
[31] H. K. Yu*, "Effective reduction of copper surface for clean graphene growth", Journal of the Electrochemical Society, vol.162, E277 (2015).
[~2015.02, Before Ajou University]
[30] R. M. Iost, F. N. Crespilho, L. Zuccaro, H. K. Yu, A. M. Wodtke, K. Kern, and K. Balasubramanian, "Enhancing the electrochemical and electronic performance of CVD-grown graphene by minimizing trace metal impurities", ChemElectroChem, vol.1, 2070 (2014).
[29] H. K. Yu and J. -L. Lee, "Growth mechanism of metal-oxide nanowires synthesized by electron beam evaporation: A self-catalytic vapor-liquid-solid process", Scientific Reports, vol.4, 6589 (2014).
[28] H. –Y. Shin, J. Lee, Y. Lee, S. Jeong, H. Jung, H. K. Yu, J. M. Baik, M. H, Kim, and S. Yoon, "Probing the growth habit of highly single crystalline twinned V-shape RuO2 nanowires by polarized Raman scattering", Journal of Physical Chemistry C, vol.118, 20716 (2014).
[27] H. K. Yu, K. Balasubramanian, K. Kim, J. -L. Lee, M. Maiti, C. Ropers, J. Krieg, K. Kern, and A. M. Wodtke, "Chemical vapor deposition of graphene grown on “peeled-off” epitaxial Cu(111) foil: A simple approach to improved properties", ACS nano, vol.8, 8636(2014).
[26] M. Gulde, S. Schweda, G. Storeck, M. Maiti, H. K. Yu, A. M. Wodtke, S. Schäfer, and C. Ropers, “Ultrafast low-energy electron diffraction in transmission resolves polymer/graphene superstructure dynamics”, Science, vol.345, 200 (2014), highlighted in Perspective, "Low-energy electron diffraction at ultrafast speed", Science, vol.345, 137 (2014), News in idw-Informationsdienst Wissenschaft; http://idw-online.de/de/news595851.
[25] H. K. Yu and J. -L. Lee, "Effect of ion beam assisted deposition on the growth of indium-tin-oxide nanowires", Crystal Engineering Communications, vol.16, 4108 (2014).
[24] H. K. Yu, S. Kim, B. Koo, G. H. Jung, B. Lee, J. Ham, and J. -L. Lee, "Nano-branched transparent conducting oxide: Beyond the brittleness limit for the flexible electrode applications", Nanoscale, vol.4, 6831 (2012), introduced as hot article in Nanoscale Blog; http://blogs.rsc.org/nr/2012/09/17/flexible-electrodes/, Prime Minister Award (2nd prize), the 32th Korea Invention Patent Exhibition.
[23] B. -U. Ye, B. J. Kim, Y. H. Song, J. H. Son, H. K. Yu, M. H. Kim, J. -L. Lee, and J. M. Baik, "Enhancing light emission of nanostructured vertical light-emitting diodes by minimizing total internal reflection", Advanced Functional Materials, vol.22, 632 (2012).
[22] S. Kim, H. K. Yu, K. Hong, K. Kim, I. Lee, K. -B. Kim, T. -Y. Kim, and J. -L. Lee, "MgO nano-facet embedded silver-based dielectric/metal/dielectric transparent electrode", Optics Express, vol.20, 845 (2012).
[21] Y. H. Song, J. H. Son, B. J. Kim, H. K. Yu, C. J. Yoo, and J. -L. Lee, "Effects of W diffusion barrier on inhibition of AlN formation in Ti/W/Al ohmic contacts on N-face n-GaN", Applied Physics Letters, vol.99, 233502 (2011).
[20] H. K. Yu, J. M. Baik, and J. -L. Lee, "Self-connected and habitually tilted piezoelectric nanorod array", ACS nano, vol.5, 8828 (2011).
[19] J. H. Son, H. K. Yu, Y. H. Song, B. J. Kim, and J. -L. Lee, "Design of epitaxially strained Ag film for durable Ag-based contact to p-type GaN", Crystal Growth & Design, vol.11, 4943 (2011).
[18] H. K. Yu#, W. J. Dong#, G. H. Jung, and J. -L. Lee, "3-Dimensional nano-branched indium-tin-oxide anode for organic solar cells", ACS nano, vol.5, 8026 (2011), #equal contribution as first author, Prime Minister Award (2nd prize), the 32th Korea Invention Patent Exhibition.
[17] H. K. Yu, W. -K. Kim, E. C. Park, J. S. Kim, B. -W. Koo, Y. -W. Kim, J. H. Ryu, and J. -L. Lee, "Enhanced secondary electron emission in nano-scale thin metal containing MgO film; Laser irradiation on creation of F centers", Journal of Physical Chemistry C, vol.115, 17910 (2011).
[16] H. K. Yu, J. M. Baik, and J. -L. Lee, "Design of interfacial layer to block chemical reaction for epitaxial ZnO growth on Si substrate", Crystal Growth & Design, vol.11, 2438 (2011).
[15] Y. H. Song, J. H. Son, H. K. Yu, J. -H. Lee, G. H. Jung, J. Y. Lee, and J. -L. Lee, "Domain matching epitaxy of Mg-containing Ag contact on p-type GaN", Crystal Growth & Design, vol.11, 2559 (2011).
[14] B. -U. Ye, H. K. Yu, M. H. Kim, J. -L. Lee, and J. M. Baik, "Modulating ZnO nanostructure arrays on any substrates by nanolevel structure control", Journal of Physical Chemistry C, vol.115, 7987 (2011).
[13] Y. Lee, B. -U. Ye, H. K. Yu, J. -L. Lee, M. H. Kim, and J. M. Baik, "Facile synthesis of single crystalline metallic RuO2 nanowires and electromigration induced transport properties", Journal of Physical Chemistry C, vol.115, 4611 (2011).
[12] D. Myung, Y. Lee, J. Lee, H. K. Yu, J. -L. Lee, J. M. Baik, W. Kim, and M. H. Kim, "Synthesis of metallic ReO3 nanowires", Physica Status Solidi – RRL, vol.4, 365 (2010), cover article.
[11] H. K. Yu and J. -L. Lee, "Growth mechanism of MgO film on Si (100): Domain matching epitaxy, strain relaxation, preferred orientation formation", Crystal Growth & Design, vol.10, 5200 (2010).
[10] J. H. Son#, H. K. Yu#, and J. -L. Lee, "MgO nano-pyramids structure for enhancement of light extraction efficiency in vertical light-emitting diodes", Optics Express, vol.18, 404 (2010), #equal contribution as first author.
[9] K. Hong#, H. K. Yu#, I. Lee, K. Kim, S. Kim, and J. -L. Lee, "Enhanced light out-coupling of organic light emitting diodes using refractive index modulation layer with micro-facet structure", Advanced Materials, vol.22, 4890 (2010), #equal contribution as first author.
[8] H. W. Jang, S. W. Ryu, H. K. Yu, S. Lee, and J. -L. Lee, "The role of reflective p-contacts in the enhancement of light extraction in nanotextured vertical InGaN light-emitting diodes", Nanotechnology, vol.21, 025203 (2010), cover article.
[7] J. H. Son, Y. H. Song, H. K. Yu, and J. -L. Lee, "Effects of Ni cladding layers on suppression of Ag agglomeration in Ag-based Ohmic contacts on p-GaN", Applied Physics Letters, vol.95, 062108 (2009).
[6] H. K. Yu, W. -K. Kim, J. -L. Lee, E. C. Park, J. S. Kim, and J. H. Ryu, "Degradation Mechanism of Secondary Electron Emission in Plasma Exposed MgO Films", Japanese Journal of Applied Physics, vol.48, 076003 (2009).
[5] J. H. Son, H. K. Yu, Y. H. Song, and J. -L. Lee, "Low resistance and thermally stable ohmic contact on p-type GaN using a RuO2 diffusion barrier", Electronic Materials Letters, vol.4, 157 (2008).
[4] S. Y. Kim, K. Hong, K. Kim, H. K. Yu, W. -K. Kim, and J. -L. Lee, "Effect of N2, Ar, and O2 plasma treatments on surface properties of metals", Journal of Applied Physics, vol.103, 076101 (2008).
[3] S. Y. Kim, J. M. Baik, H. K. Yu, and J. -L. Lee, "Highly efficient organic light emitting diodes with hole injection layer of transition metal oxides", Journal of Applied Physics, vol.98, 093707 (2005).
[2] S. Y. Kim, J. M. Baik, H. K. Yu, K. Y. Kim, Y.-H. Tak, and J. -L. Lee, "Rhodium-oxide-coated indium tin oxide for enhancement of hole injection in organic light emitting diodes", Applied Physics Letters, vol.87, 072105 (2005).
[1] H. W. Jang, J. K. Kim, S. Y. Kim, H. K. Yu, and J. -L. Lee, "Ohmic contacts for high power LEDs" , Physica Status Solidi (a), vol.201, 2831 (2004).
[Patent]
(Applied) 류학기, 배지권, "칼코게나이드 화합물 합성을 위한 장치 구성 및 방법 " (대한민국, 출원번호: 10-2024-0045858), PCT, Taiwan
(Applied) 류학기, 김영호, "휴대용 식품 발열체" (대한민국, 출원번호: 10-2023-0089001)
(Applied) 류학기, 백정민, 김선우, 정유석, 곽건호, "광열변환체 및 그 제조 방법, 그리고 이를 적용한 담수화 시스템" (대한민국, 출원번호: 10-2023-0013983)
(Granted) 류학기, 김영호, "투명하고 유연한 전자파 차폐 필름 제조방법" (대한민국, 등록번호: 10-2524680)
(Granted) 류학기, "결정성 조절을 통한 유연 소자 제조방법" (대한민국, 등록번호: 10-1845756)
(Granted) H. K. Yu, A. M. Wodtke, “Graphene with very high charge carrier mobility and preparation thereof” (EP2801551 A1)
(Granted) H. K. Yu, A. M. Wodtke, “Graphene with very high charge carrier mobility and preparation thereof” (WO2014180919 A1)
(Granted) H. K. Yu, A. M. Wodtke, "GRAPHENE WITH VERY HIGH CHARGE CARRIER MOBILITY AND PREPARATION THEREOF" (US20160115032 A1)
(Granted) 김성준, 홍기현, 유학기, 이종람, “유기 발광 다이오드용 기판 및 이의 제조방법” (대한민국, 등록번호: 10-1317276-0000).
(Granted) 유학기, 동완재, 정관호, 이종람, “태양전지 소자 및 그 제조방법” (대한민국, 등록번호: 10-1295199-0000). Prime Minister Award (2nd prize), the 32th Korea Invention Patent Exhibition.
(Granted) H. K. Yu, W. J. Dong, G. H. Jung, J. -L. Lee, “SOLAR CELL ELEMENT AND MANUFACTURING METHOD FOR SAME” (WO2013006016). Prime Minister Award (2nd prize), the 32th Korea Invention Patent Exhibition.
(Granted) 정관호, 유학기, 동완재, 함주영, 이종람, “도전성 플렉서블 기판 및 그 제조방법” (대한민국, 등록번호: 10-1284873-0000).
(Granted) 유학기, 이종람, “투명 전도성 플렉서블 기판 및 그 제조방법” (대한민국, 등록번호: 10-1272796-0000).
(Granted) 유학기, 이종람, “전자선 증착 장비를 이용한 산화아연 나노 막대 제조방법” (대한민국, 등록번호: 10-1243633-0000).
(Granted) 송양희, 유학기, 이종람, “습식 식각형 버퍼층을 이용한 수직형 발광다이오드 제조 방법” (대한민국, 등록번호: 10-1238169-0000).
(Granted) 유학기, 이종람, “전자선 증착장비를 이용한 인듐 주석 산화물 나노 막대 제조 방법” (대한민국, 등록번호: 10-1217786-0000).
(Granted) 유학기, 정관호, 동완재, 이종람, “태양전지용 기판 및 이의 제조방법” (대한민국, 등록번호: 10-1186560-0000).
(Granted) H. K. Yu, G. H. Jung, W. J. Dong, J. -L. Lee, “SUBSTRATE FOR SOLAR CELL AND METHOD FOR MANUFACTURING SAME” (WO2013006017).
(Granted) 손준호, 유학기, 이종람, “표면증강라만산란 분광용 기판 제작 방법” (대한민국, 등록번호: 10-1097205-0000).
(Granted) 유학기, 이종람, “버퍼층을 이용한 실리콘 기판 위의 산화아연 박막 형성 방법” (대한민국, 등록번호: 10-1135928-0000).
(Granted) 손준호, 유학기, 이종람, “MgO 피라미드 구조를 갖는 발광소자 및 그 제조방법” (대한민국, 등록번호: 10-1165259-0000).
(Granted) J. H. Son, H. K. Yu, J. -L. Lee, “LIGHT-EMITTING DEVICE HAVING AN MGO PYRAMID STRUCTURE AND MANUFACTURING METHOD FOR SAME” (WO2012005459).
(Granted) J. H. Son, H. K. Yu, J. -L. Lee, “Light emitting device having MgO pyramid structure and method for fabricating the same” (US20130207074 A1).
(Granted) J. H. Son, H. K. Yu, J. -L. Lee, “Light emitting device having MgO pyramid structure and method for fabricating the same” (US20158993997 B2).
(Granted) 유학기, 이종람, "보호막 및 그 형성 방법" (대한민국, 등록번호: 10-0886828-0000).
(Granted) H. K. Yu, J. -L. Lee, "PASSIVATION FILM AND METHOD OF FORMING THE SAME" (WO2008054102).
(Granted) H. K. Yu, J. -L. Lee, "PASSIVATION FILM AND METHOD OF FORMING THE SAME" (US7915153).