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Synthesis of Silver Nanoplates without Agitation andSurfactant
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Synthesis of Silver Nanoplates without Agitation andSurfactant
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Jiangsu Province College Natural Science Foundation (08KJD150003); Young Foundation of Changzhou (CQ2008011); Open Foundation of Jiangsu Key Laboratory of Precious Metals Chemistry (SYGK0709); Application Basis Research Program of Jiangsu Teachers University of Technology (KYY08001)

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    摘要:

    在液相体系中成功制备了单分散的银纳米片,反应过程中没有机械搅拌及使用任何表面活性剂,只用硝酸银和维生素C作为原料。相反,使用机械搅拌,获得的产物为银的纳米粒子团聚体。产物的形貌和相结构用扫描电子显微镜(SEM)、透射电子显微镜(TEM)和X射线粉末衍射(XRD)进行了表征。讨论了可能的反应机理,有助于理解化学反应过程中的粒子团聚机理。

    Abstract:

    Dispersed silver nanoplates were prepared using silver nitrate and vitamin C in absence of agitation and surfactants in aqueous solution. In contrast, aggregated silver nanoparticles were obtained under mechanical agitation. The morphology and phases of products were characterized by scanning electron microscope (SEM), transmission electron microscope (TEM) and X-ray diffractometer (XRD). The results show that the dispersed silver nanoplates can be obtained under the conditions of no mechanical agitation and no surfactants. The shear will induce the formation of aggregation.

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关明云,尚通明,贺香红,孙建华,周全法,顾 鹏. Synthesis of Silver Nanoplates without Agitation andSurfactant[J].稀有金属材料与工程,2011,40(12):2069~2071.[Guan Mingyun, Shang Tongming, He Xianghong, Sun Jianhua, Zhou Quanfa, Gu Peng. Synthesis of Silver Nanoplates without Agitation andSurfactant[J]. Rare Metal Materials and Engineering,2011,40(12):2069~2071.]
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  • 收稿日期:2010-12-26
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