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Effects of Electron Irradiation on the Properties of ZnO/Au/ZnO Films Deposited on Poly-Imide Substrates
Jin-Kyu Jang, Yun-Je Park, Yeon-Hak Lee, Jae-Wook Choi, Hyun-Jin Kim, Sung-Bo Heo, Young-Min Kong, Daeil Kim
장진규, 박윤제, 이연학, 최재욱, 김현진, 허성보, 공영민, 김대일
Korean J. Met. Mater. 2022;60(9):668-672.   Published online 2022 Aug 30
DOI: https://doi.org/10.3365/KJMM.2022.60.9.668

Transparent and conductive ZnO 50 nm/Au 8 nm/ZnO 50 nm tri-layer films were deposited on poly-imide films by radio frequency (RF) and direct current (DC) magnetron sputtering at room temperature, and then the effect of electron irradiation on the crystallization, electrical resistivity and optical properties of the films was considered..... More

Dependency of Conductive Atomic Force Microscopy and Lateral Force Microscopy Signals on Scan Parameters for Zinc Oxide Nanorods
Yijun Yang, Kwanlae Kim
Korean J. Met. Mater. 2022;60(2):149-159.   Published online 2022 Jan 12
DOI: https://doi.org/10.3365/KJMM.2022.60.2.149

Conductive atomic force microscopy (C-AFM) is one of the most commonly used characterization techniques for piezoelectric one-dimensional nanomaterials. However, a comprehensive understanding of the effects of certain scan parameters on the C-AFM signals remains elusive. In the present work, the dependency of C-AFM signals on the normal force, scan speed,..... More

                           Cited By 1
A Study on the ZnO Thin Film Deposited by RF Sputtering Method as an Electron Transport Layer in Quantum Dot Light-Emitting Diodes
RF sputtering으로 증착된 ZnO 박막을 전자 수송층으로 사용한 양자점 발광 다이오드에 관한 연구
Myoungsuk Kang, Jiwan Kim
강명석, 김지완
Korean J. Met. Mater. 2021;59(10):718-723.   Published online 2021 Sep 6
DOI: https://doi.org/10.3365/KJMM.2021.59.10.718

We report a highly efficient quantum dot light emitting diode (QLEDs) with a radio frequency (RF) sputtered ZnO thin film as an electron transport layer (ETL) instead of the conventional ZnO nanoparticles (NPs) by solution process. ZnO NPs have been used as a key material to improve the performance of..... More

Effect of ZnS/C Mass Ratio on the Morphologies and Luminescence Properties of ZnO Nano/Microstructures Synthesized via Thermal Evaporation of ZnS and C Powder Mixtures
ZnS와 C의 혼합 분말을 열증발시켜 생성된 ZnO 나노/마이크로구조의 형상과 발광 특성에 미치는 ZnS/C 질량비의 영향
Geun-Hyoung Lee
Korean J. Met. Mater. 2021;59(4):262-267.   Published online 2021 Mar 24
DOI: https://doi.org/10.3365/KJMM.2021.59.4.262

ZnO nano/microstructures were grown via a simple thermal evaporation process in air at atmospheric pressure. Mixtures of ZnS and carbon powders were used as the sources. The effects of growth temperature and mass ratio of carbon powder to ZnS on the morphologies and luminescence properties of the ZnO nano/microstructures were..... More

                           Cited By 2
A Study on Sebum Hardening Effect of ZnO Powder
Sebum경화 기능형 ZnO powder 특성 연구
Yong Min Jeon, Jin Gu Kwon, Si Hong Ryu, Yeong Cheol Lee, Seong Eui Lee
전용민, 권진구, 유시홍, 이영철, 이성의
Korean J. Met. Mater. 2021;59(3):195-200.   Published online 2021 Feb 19
DOI: https://doi.org/10.3365/KJMM.2021.59.3.195

Zinc oxide is transparent inorganic UV absorber and widely used as a sunscreen. But sunscreen on the skin is easily erased by sebum, so zinc oxide with a sebum curing function was studied. In this study, a zinc oxide powder was prepared using zinc chloride and sodium hydroxide via a..... More

Improved Ultraviolet Photoresponse Properties of ZnO Nanorods Grown by Using Hydrothermal Method Applied Rotating Precursor Solution
Dongwan Kim, Jae-Young Leem
Korean J. Met. Mater. 2021;59(3):187-194.   Published online 2021 Feb 19
DOI: https://doi.org/10.3365/KJMM.2021.59.3.187

We grew ZnO nanorods (NRs) using a hydrothermal method while rotating the precursor solution, and report the effect of rotation on surface modification, and the optical and ultraviolet (UV) photoresponse properties of the resulting ZnO nanorods. The ZnO NRs grown in the rotating precursor solution at 100 rpm had the..... More

                           Cited By 2
Facile Synthesis of ZnO Thin Films at Low Temperatures Using an Additive-Free Electrochemical Oxidation Method
Euije Jo, Dongwan Kim, Jae-Young Leem
Korean J. Met. Mater. 2020;58(9):645-652.   Published online 2020 Aug 13
DOI: https://doi.org/10.3365/KJMM.2020.58.9.645

Because of their simplicity and low equipment costs, various oxidation methods can be used to create metal oxides, but they still require long processing times and/or high temperatures. In this study, a new electrochemical oxidation (ECO) method, which oxidizes metal in DI water with a constant flowing current to both..... More

                           Cited By 1
Effect of Sintering Temperature on the Characteristics of Zn<sub>0.99</sub>Li<sub>0.01</sub>O Thin Film on Si Substrate
Gang Bae Kim, June Won Hyun
Korean J. Met. Mater. 2020;58(4):257-262.   Published online 2020 Apr 5
DOI: https://doi.org/10.3365/KJMM.2020.58.4.257

Lithium-doped zinc oxide (Zn0.99Li0.01O) film was manufactured by the sol-gel method using uniform and stable solution of zinc acetate dehydrate and lithium acetate dehydrate in methanol. Films were deposited by spin-coating using spinner between 4500 and 5000 rpm on silicon substrates. The prepared samples were sintered at various temperatures (600..... More

                           Cited By 1
Electron Irradiation Effects on the Optical and Electrical Properties of ZnO/Ag/SnO<sub>2</sub> Thin Films
Yu-Sung Kim, Jin-Young Choi, Yun-je park, Su-Hyeon Choe, Byung-Chul Cha, Young-Min Kong, Daeil Kim
Korean J. Met. Mater. 2020;58(3):190-194.   Published online 2020 Mar 5
DOI: https://doi.org/10.3365/KJMM.2020.58.3.190

Transparent conductive ZnO 50 nm/Ag 10 nm/SnO2 50 nm (ZAS) tri-layer films were deposited on glass substrates by magnetron sputtering, and then the surface was subjected to intense electron beam irradiation to investigate the effects of electron irradiation on the structural, optical, and electrical properties of the films. After deposition,..... More

                           Cited By 3
Effects of Rapid Thermal Annealing on the Structural, Optical, and Electrical Properties of ZnO/Ag/SnO<sub>2</sub> Tri-Layer Films
Su-Hyeon Choe, Yu-Sung Kim, Jin-Young Choi, Yun-Je Park, Byung-Chul Cha, Young-Min Kong, Daeil Kim
Korean J. Met. Mater. 2019;57(8):506-509.   Published online 2019 Aug 5
DOI: https://doi.org/10.3365/KJMM.2019.57.8.506

ZnO 50 nm/Ag 10 nm/SnO2 50 nm (ZAS) tri-layer films were deposited on a glass substrate by RF and DC magnetron sputtering and then underwent rapid thermal annealing in a low vacuum of 1×10-3 Torr to investigate the effects of post-deposition annealing on the optical and electrical properties of the..... More

                           Cited By 3
Influence of Film Thickness on the Electrical and Optical Properties of ZnO/Ag/SnO<sub>2</sub> Tri-Layer Films
ZnO/Ag/SnO2 적층박막의 두께 변화에 따른 전기적, 광학적 특성 연구
Yu-Sung Kim, Jin-Young Choi, Yun-Je Park, Su-Hyeon Choe, Young-Min Kong, Daeil Kim
김유성, 최진영, 박윤제, 최수현, 공영민, 김대일
Korean J. Met. Mater. 2019;57(5):324-327.   Published online 2019 May 5
DOI: https://doi.org/10.3365/KJMM.2019.57.5.324

ZnO/Ag/SnO2 (ZAS) tri-layer films were prepared on glass substrates via RF and DC magnetron sputtering, and then the influence of the thickness of the ZnO and SnO2 layers on the optical and electrical properties of the ZAS films was investigated. As deposited ZnO 50 nm/Ag 10 nm/SnO2 50 nm films..... More

                           Cited By 7
Study of the Morphological, Structural, Optical and Photoelectrochemical Properties of Zinc Oxide Nanorods Grown Using a Microwave Chemical Bath Deposition Method
마이크로파 화학 용액 증착법을 이용하여 성장시킨 ZnO 나노로드의 형태학적, 구조적, 광학적 그리고 광전기화학적 특성 변화 연구
Sungjin Oh, Hyukhyun Ryu, Won-Jae Lee
오성진, 류혁현, 이원재
Korean J. Met. Mater. 2017;55(4):255-263.   Published online 2017 Apr 6
DOI: https://doi.org/10.3365/KJMM.2017.55.4.255

In this study, zinc oxide (ZnO) nanostructures were grown on a ZnO-buffered fluorine-doped tin oxide (FTO) substrate using a microwave chemical bath deposition method with different zinc oxide precursor concentrations from 0.01 to 0.5 M. We investigated the effects of the zinc oxide precursor concentration on the morphological, structural, optical..... More

         Cited By 4
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