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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 1
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

Material Analysis & Characterization
Effects of Doping Concentration on the Structural and Optical Properties of Spin-Coated In-doped ZnO Thin Films Grown on Thermally Oxidized ZnO Film/ZnO Buffer Layer/Mica Substrate
Byunggu Kim, Jae-Young Leem
Korean J. Met. Mater. 2017;55(1):67-71.   Published online 2017 Jan 5
DOI: https://doi.org/10.3365/KJMM.2017.55.1.67

ZnO buffer layers were deposited on mica substrates using a sol-gel spin coating method. Then, a thin film of metallic Zn was deposited onto the ZnO buffer layer/mica substrate using a thermal evaporator, and the deposited Zn thin films were then thermally oxidized in a furnace at 500 ℃ for..... More

         Cited By 1
Optical Devices & Energy Materials
Synthesis and Photoluminescence Studies of ZnO Films Using Vapor Phase Transport Combined With Rapid Heating
Iksoo Ji, Jae-Young Leem
Korean J. Met. Mater. 2016;54(8):609-614.   Published online 2016 Aug 5
DOI: https://doi.org/10.3365/KJMM.2016.54.8.609

The vapor phase transport (VPT) process is usually used for the growth of one-dimensional nanostructures rather than for film deposition. In this study, for the first time, we report on the fabrication and optical propeties of ZnO film produced by VPT combined with rapid heating. The X-ray diffraction results showed..... More

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