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花状ZnO的水热合成与表征
  • 期刊名称：过程工程学报,
  • 时间：0
  • 页码：4(增刊), 200-205，2004
  • 语言：中文
  • 分类：TQ02-55[化学工程]
  • 相关基金：国家自然科学基金(20025618,20236010)和上海市教委资助项目
  • 相关项目：热力学理论模型和分子系统的计算机模拟
作者： 尚亚卓|刘洪来|夏军保|胡英|徐铸德|
关键词： 水热法, 氧化锌, 偶联表面活性剂, 纳米棒, 花状
中文摘要：

以金属锌为原料,引入偶联表面活性剂作为晶体生长控制剂,在温和的水热条件(150℃)下一步合成了花状纳米结构的ZnO.使用XRD,TEM,SEM,SAED等测试手段,对产物的化学组成和形貌特征进行了分析和表征.结果表明,花状ZnO纳米结构由ZnO纳米棒组成,该ZnO纳米棒为六方晶系且表现为单晶性质.ZnO纳米棒纯度高、粒径较小、长直、光滑而且大多一端聚集而另一端向四周放射性分布,呈较完美的花状结构.初步探讨了ZnO单晶纳米棒和花状ZnO纳米结构的形成机理.分析表明,ZnO纳米棒及其花状结构的形成与偶联表面括性剂特殊的性质及分子结构有关.

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