| Effect of Oxide Assisted Metal Nanoparticles on Microstructure and Morphology of Gallium oxide Nanowires |
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| 作者姓名： | Kyo-Hong CHOI Kwon-Koo CHO Gyu-Bong CHO Hyo-Jun AHN Ki-Won KIM Yoo-Young KIM |
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| 作者单位： | [1]School of Nano ＆ Advanced Materials Engineering, ERI ＆ /-cube center, Gyeongsang National University, 900 Gazwadong, Jinju, Gyeongnam 660-701, Korea [2]Dept. of Mechanical Engineering, Jinju National University, Jinju, Korea |
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| 基金项目： | This research was supported by the MIC （Ministry of information and communication ）, Korea, under the ITRC （ Information Technology Research Center ） support program supervised by the IITA Institute of Information Technology Assessment） and the Brain Korea （BK） 21 Project for supporting a Fellowship. |
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| 摘 要： | Several researches have been reported about the characteristic of β-Ga2O3 nanowires which was synthesized on nickel oxide particle. But indeed, recent researches about synthesis of β-Ga2O3 nanowires on oxide-assisted transition metal are limited to nickel or cobalt oxide catalyst. In this work, Gallium oxide (β-Ga2O3 ) nanowires were synthesized by a simple thermal evaporation method from gallium powder in the range of 700 - 1000℃ using the iron, nickel, copper, cobalt and zinc oxide as a catalyst, respectively. The β-Ga2O3 nanowires with single crystalline without defects were successfully synthesized at the reaction temperature of 850, 900 and 950℃ in all the catalysts. But optimum experimental condition in synthesis of nanowires varied with the kind of catalyst. As increasing synthesis temperature,the morphology of gallium oxide nanowires changed from nanowires to nanorods, and its diameter increased. From these results, we could be proposed that the growth mechanism of β-Ga2O3 nanowires was changed with synthesis temperature of nanowires. Microstructure and morphology of Synthesized nanowire was characterized by HR-TEM, FE-SEM, EDX and XRD.
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| 关 键 词： | 金属纳米粒子 显微结构 镓氧化物 形态学 |
| 文章编号： | 1673-2812（2007）06-0886-06 |
| 收稿时间： | 2006-05-15 |
| 修稿时间： | 2007-07-18 |
Effect of Oxide Assisted Metal Nanoparticles on Microstructure and Morphology of Gallium oxide Nanowires |
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| Kyo-Hong CHOI Kwon-Koo CHO Gyu-Bong CHO Hyo-Jun AHN Ki-Won KIM Yoo-Young KIM.Effect of Oxide Assisted Metal Nanoparticles on Microstructure and Morphology of Gallium oxide Nanowires[J].Journal of Materials Science and Engineering,2007,25(6):886-891. |
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| Authors: | Kyo-Hong CHOI Kwon-Koo CHO Gyu-Bong CHO Hyo-Jun AHN Ki-Won KIM Yoo-Young KIM |
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| Abstract: | Several researches have been reported about the characteristic of β-Ga2O3 nanowires which was synthesized on nickel oxide particle. But indeed, recent researches about synthesis of β-Ga2O3 nanowires on oxide-assisted transition metal are limited to nickel or cobalt oxide catalyst. In this work, Gallium oxide (β-Ga2O3 ) nanowires were synthesized by a simple thermal evaporation method from gallium powder in the range of 700 - 1000℃ using the iron, nickel, copper, cobalt and zinc oxide as a catalyst, respectively. The β-Ga2O3 nanowires with single crystalline without defects were successfully synthesized at the reaction temperature of 850, 900 and 950℃ in all the catalysts. But optimum experimental condition in synthesis of nanowires varied with the kind of catalyst. As increasing synthesis temperature,the morphology of gallium oxide nanowires changed from nanowires to nanorods, and its diameter increased. From these results, we could be proposed that the growth mechanism of β-Ga2O3 nanowires was changed with synthesis temperature of nanowires. Microstructure and morphology of Synthesized nanowire was characterized by HR-TEM, FE-SEM, EDX and XRD. |
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| Keywords: | gallium oxide β-Ga2O3 catalyst nanowire nanorod synthesis iron nickel copper cobalt zinc Nanowires zinc oxide Gallium Morphology Microstructure Metal Nanoparticles nanowire characterized growth mechanism results diameter increased morphology nanorods increasing reaction temperature optimum experimental condition kind |
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