Search Results - "Lee, Gun Hwan"

Bendable Solar Cells from Stable, Flexible, and Transparent Conducting Electrodes Fabricated Using a Nitrogen-Doped Ultrathin Copper Film by Zhao, Guoqing, Kim, Soo Min, Lee, Sang-Geul, Bae, Tae-Sung, Mun, ChaeWon, Lee, Sunghun, Yu, Huashun, Lee, Gun-Hwan, Lee, Hae-Seok, Song, Myungkwan, Yun, Jungheum

“…Copper has attracted significant interests as an abundant and low‐cost alternative material for flexible transparent conducting electrodes (FTCEs). However,…”
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Stable ultrathin partially oxidized copper film electrode for highly efficient flexible solar cells by Zhao, Guoqing, Wang, Wei, Bae, Tae-Sung, Lee, Sang-Geul, Mun, ChaeWon, Lee, Sunghun, Yu, Huashun, Lee, Gun-Hwan, Song, Myungkwan, Yun, Jungheum

“…Advances in flexible optoelectronic devices have led to an increasing need for developing highly efficient, low-cost, flexible transparent conducting…”
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Transparent Ultrathin Oxygen-Doped Silver Electrodes for Flexible Organic Solar Cells by Wang, Wei, Song, Myungkwan, Bae, Tae-Sung, Park, Yeon Hyun, Kang, Yong-Cheol, Lee, Sang-Geul, Kim, Sei-Yong, Kim, Dong Ho, Lee, Sunghun, Min, Guanghui, Lee, Gun-Hwan, Kang, Jae-Wook, Yun, Jungheum

“…An effective method for depositing highly transparent and conductive ultrathin silver (Ag) electrodes using minimal oxidation is reported. The minimal…”
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Fabrication of graphene oxide/montmorillonite nanocomposite flexible thin films with improved gas-barrier properties by Kim, Se Jung, Kim, Tan young, Kang, Byung Hyun, Lee, Gun-Hwan, Ju, Byeong-Kwon

“…Nanocomposites are potential substitutes for inorganic materials in fabricating flexible gas-barrier thin films. In this study, two nanocomposites are used to…”
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Fabrication of a Completely Transparent and Highly Flexible ITO Nanoparticle Electrode at Room Temperature by Yun, Jungheum, Park, Yeon Hyun, Bae, Tae-Sung, Lee, Sunghun, Lee, Gun-Hwan

“…We report the fabrication of a highly flexible indium tin oxide (ITO) electrode that is completely transparent to light in the visible spectrum. The electrode…”
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3D-printed Ti6Al4V femoral component of knee: Improvements in wear and biological properties by AIP TiN and TiCrN coating by Ni, JunJie, Liu, Fan, Yang, Gaolin, Lee, Gun-Hwan, Chung, Sung-Min, Lee, In-Seop, Chen, Cen

“…As patients are dissatisfied with the excessive weight of Co-based knee femoral components, it is an urgent need to reduce their weight without compromising…”
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Effect of deposition temperature on the structural and thermoelectric properties of bismuth telluride thin films grown by co-sputtering by Kim, Dong-Ho, Byon, Eungsun, Lee, Gun-Hwan, Cho, Sunglae

“…Thermoelectric bismuth telluride thin films were prepared on SiO 2/Si substrates by radio-frequency (RF) magnetron sputtering. Co-sputtering method with Bi and…”
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Effect of rapid thermal annealing on thermoelectric properties of bismuth telluride films grown by co-sputtering by Kim, Dong-Ho, Lee, Gun-Hwan

“…Thermoelectric bismuth telluride (Bi 2Te 3) films were prepared by co-sputtering of bismuth and tellurium targets and changes in their characteristic…”
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Preparation of high quality ITO films on a plastic substrate using RF magnetron sputtering by Kim, Dong-Ho, Park, Mi-Rang, Lee, Gun-Hwan

“…Indium tin oxide (ITO) thin films were prepared on a plastic substrate (PMMA) by RF magnetron sputtering. A novel deposition system where the plasma deposition…”
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Structure and electrical transport properties of bismuth thin films prepared by RF magnetron sputtering by Kim, Dong-Ho, Lee, Sung-Hun, Kim, Jong-Kuk, Lee, Gun-Hwan

“…Bismuth thin films were prepared on glass substrates with RF magnetron sputtering and the effects of deposition temperature on surface morphology and their…”
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Temperature dependence of the microstructure and resistivity of indium zinc oxide films deposited by direct current magnetron reactive sputtering by Kim, Do-Geun, Lee, Sunghun, Kim, Dong-Ho, Lee, Gun-Hwan, Isshiki, Minoru

“…Indium zinc oxide (IZO) films were deposited as a function of the deposition temperature using a sintered indium zinc oxide target (In 2O 3:ZnO = 90:10 wt.%)…”
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Ultrathin Silver Film Electrodes with Ultralow Optical and Electrical Losses for Flexible Organic Photovoltaics by Zhao, Guoqing, Shen, Wenfei, Jeong, Eunwook, Lee, Sang-Geul, Yu, Seung Min, Bae, Tae-Sung, Lee, Gun-Hwan, Han, Seung Zeon, Tang, Jianguo, Choi, Eun-Ae, Yun, Jungheum

“…Improving the wetting ability of Ag on chemically heterogeneous oxides is technically important to fabricate ultrathin, continuous films that would facilitate…”
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Sputter-deposited Ga-Sn-Zn-O thin films for transparent thin film transistors by Kim, Dong-Ho, Kim, Hey-Ri, Kwon, Jung-Dae, Lee, Gun-Hwan, Lee, Hee Sung, Im, Seongil

“…Ga–Sn–Zn–O (GTZO) thin films were prepared on glass substrates at 100 °C by co‐sputtering of Ga‐doped ZnO and SnO2 targets. Characteristic properties of the…”
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Effects of post-annealing on electrical properties of amorphous Ga-doped Zn–Sn–O semiconductor films by Kim, Dong-Ho, Kim, Hye-Ri, Kwon, Jung-Dae, Lee, Gun-Hwan, Park, Juyun, Kang, Yong-Cheol

“…We investigated the effect of post-annealing on the electrical properties of amorphous gallium-zinc-tin oxide (a-GZTO) films with different Ga contents. The…”
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Strategy for improving Ag wetting on oxides: Coalescence dynamics versus nucleation density by Zhao, Guoqing, Jeong, Eunwook, Choi, Eun-Ae, Yu, Seung Min, Bae, Jong-Seong, Lee, Sang-Geul, Han, Seung Zeon, Lee, Gun-Hwan, Yun, Jungheum

“…The dominating factor in the wetting improvement of Ag on SiO2 is early transition in the coalescence of Ag nanoparticles from full to partial fusion in the…”
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Unconventional thickness dependence of electrical resistivity of silver film electrodes in substoichiometric oxidation states by Yun, Jungheum, Jeong, Eunwook, Zhao, Guoqing, Lee, Sang-Geul, Yu, Seung Min, Bae, Jong-Seong, Han, Seung Zeon, Lee, Gun-Hwan, Ikoma, Yoshifumi, Choi, Eun-Ae

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Spontaneous post-growth oxygen dissipation and electrical improvement of silver electrodes in substoichiometric oxidation states by Jeong, Eunwook, Lee, Sang-Geul, Yu, Seung Min, Han, Seung Zeon, Lee, Gun-Hwan, Ikoma, Yoshifumi, Choi, Eun-Ae, Yun, Jungheum

“…This study presents experimental and computational evidence of the spontaneous post-growth dissipation of oxygen from Ag lattices in extremely oxygen-deficient…”
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Dependency of Ag wetting on the oxygen nonstoichiometry of oxide surfaces by Jeong, Eunwook, Lee, Sang-Geul, Yu, Seung Min, Bae, Jong-Seong, Han, Seung Zeon, Lee, Gun-Hwan, Choi, Eun-Ae, Yun, Jungheum

“…Experimental and numerical evidence support that both extremely oxygen-deficient and oxygen-excessive ZnO surfaces increase Ag wetting during the inceptive…”
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Thermal stability enhancement of ultrathin Ag film electrodes by incorporating atomic oxygen by Jeong, Eunwook, Lee, Taehyeong, Lee, Sang-Geul, Yu, Seung Min, Bae, Jong-Seong, Lee, Gun-Hwan, Choi, Dooho, Yun, Jungheum

“…An effective synthetic strategy based on atomic O-mediated Ag growth is presented for suppressing the thermal dewetting of ultrathin Ag films in an…”
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Minimizing optical loss in ultrathin Ag films based on Ge wetting layer: Insights on Ge-mediated Ag growth by Jeong, Eunwook, Zhao, Guoqing, Yu, Seung Min, Lee, Sang-Geul, Bae, Jong-Seong, Park, Juchel, Rha, Jongjoo, Lee, Gun-Hwan, Yun, Jungheum

“…The design rule of no optical-loss Ge wetting layer is presented to facilitate the fabrication of an ultrathin, optically transparent electrode with a…”
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