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ZnO Nanocrystals with Hexagonal Disk Shape Grown by Thermal Evaporation Method in Air at Atmospheric Pressure
대기압의 공기 분위기에서 열증발법에 의해 성장한 육각형 디스크 형상의 ZnO 나노결정
Geun-Hyoung Lee
이근형
Korean J. Met. Mater. 2022;60(8):601-606.   Published online 2022 Jul 12
DOI: https://doi.org/10.3365/KJMM.2022.60.8.601

Abstract
Hexagonal-shaped ZnO nanodisks were synthesized at temperatures above 1000oC via thermal evaporation of a mixture of ZnO, SnO, and graphite powders as the source materials. Notably, the ZnO nanodisks were easily formed in ambient air at atmospheric pressure. The ZnO nanodisks could not be obtained without SnO in the source..... More

                        
Low Temperature Growth of One-Dimensional Al and Al2O3 Nano/Micro-Structures Using Al and SnO2 Powder Mixture
Al과 SnO2 혼합 분말을 사용한 일차원 Al과 Al2O3 나노/마이크로구조의 저온 성장
Geun-Hyoung Lee
이근형
Korean J. Met. Mater. 2021;59(9):677-681.   Published online 2021 Aug 4
DOI: https://doi.org/10.3365/KJMM.2021.59.9.677

Abstract
One-dimensional Al and Al2O3 nano/microstructures were fabricated via thermal oxidation of Al and SnO2 powder mixtures at temperatures below the melting point of Al (660 oC). Furthermore, the synthesis process was carried out in air at atmospheric pressure, which made the process very simple and easy. Sn metal particles with..... 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
이근형
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

Abstract
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 1
Catalyst-Free Thermal Evaporation Synthesis of TiO2 Nanostructures in Atmospheric Air
대기압의 공기 분위기에서 촉매를 사용하지 않는 열증발법을 이용하여 생성된 TiO2 나노구조
Geun-Hyoung Lee
이근형
Korean J. Met. Mater. 2020;58(5):353-356.   Published online 2020 Apr 14
DOI: https://doi.org/10.3365/KJMM.2020.58.5.353

Abstract
TiO2 nanostructures were synthesized using a thermal evaporation method without a catalyst. TiO powders mixed with graphite powders were used as the source materials. The synthesis process was performed in air atmosphere at 1000 °C. When the mass ratio of TiO/graphite in the source material was 2:1, TiO2 nanowires and..... More

                           Cited By 1
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