| 常温直接沉淀法制备ZnO纳米棒 |
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| 引用本文： | 叶红勇,赖宏伟,吴淑杰,崔湘浩,阚秋斌,榆正根.常温直接沉淀法制备ZnO纳米棒[J].高等学校化学学报,2007,28(2):312-315. |
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| 作者姓名： | 叶红勇 赖宏伟 吴淑杰 崔湘浩 阚秋斌 榆正根 |
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| 作者单位： | 1. 吉林大学化学学院,长春,130023
2. 汉西大学化学工程学院,西山,356-820,韩国 |
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| 基金项目： | 国家科技攻关项目
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国家自然科学基金 |
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| 摘 要： | 在常温下, 以PEG-400(聚乙二醇400)为表面活性剂, 采用直接沉淀法合成了ZnO纳米棒. 产物用XRD, TEM, SAED和 HRTEM等进行了表征. 结果表明, 所得ZnO为一维的纳米棒, 属于六方纤维矿的单晶结构. ZnO纳米棒的直径在20~40 nm之间, 长度在300~800 nm范围. (0001)面为ZnO纳米棒的生长方向. 讨论了ZnO相的生成和ZnO纳米棒的形成机理以及PEG-400在其形成过程中的作用.
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| 关 键 词： | ZnO纳米棒 晶体生长 直接沉淀 常温 |
| 文章编号： | 0251-0790（2007）02-0312-04 |
| 收稿时间： | 2006-03-30 |
| 修稿时间： | 2006-03-30 |
Synthesis of ZnO Nanorods by a Direct Precipitation Method at Room Temperature |
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| YE Hong-Yong,LAI Hong-Wei,WU Shu-Jie,CUI Xiang-Hao,KAN Qiu-Bin,Jeong-Kun Yoo.Synthesis of ZnO Nanorods by a Direct Precipitation Method at Room Temperature[J].Chemical Research In Chinese Universities,2007,28(2):312-315. |
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| Authors: | YE Hong-Yong LAI Hong-Wei WU Shu-Jie CUI Xiang-Hao KAN Qiu-Bin Jeong-Kun Yoo |
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| Institution: | 1.Department of Physical Chemistry, College of Chemistry, Jilin University, Changchun 130021, China2. College of Chemical Engineering, Hanseo University, Seosan-City 356-820, South Korea |
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| Abstract: | Zinc oxide(ZnO) nanorods were successfully synthesized by a simple approach via a direct precipitation method in the presence of PEG-400(polyethylene glycol 400) at room temperature. The characterizations of ZnO nanorods were carried out by XRD, TEM, SAED and HRTEM. The results show that the as-prepared ZnO crystals are one-dimensional nanorsds which are single crystals with a hexagonal wurtzite structure. The ZnO nanorods are uniform with 20—40 nm diameter and lengths ranging from 300 to 800 nm. The (0001) face is the growth direction of the ZnO nanorods. The possible mechanism of the growth of ZnO crystal and the form of ZnO nanorods along with the important effect of PEG-400 on the fabrication of ZnO nanorods were discussed. |
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| Keywords: | ZnO nanorods Crystal growth Direct precipitation Room temperature |
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