| Synthesis and Characterization of Copolymercore-Silvershell Composite Microspheres |
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| 作者姓名： | 周长华 周静芳 吴志申 张治军 张平余 |
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| 作者单位： | [1]Key Laboratory for Special Functional Materials, Henan University, Kaifeng, Henan 475001, China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China （No. 20271016）. |
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| 摘 要： | Composite microspheres composed of monodispersed poly（St-co-MAA） latices with diameter about 260 nm as core and Ag nanocrystals as shell were prepared by an in situ reduction method. The shell thickness could be controlled in the range of 15--45 nm by this coating process. The structure and the composition of the core-shell microspheres were characterized by transmission electron microscopy （TEM）, X-ray diffractometry （XRD）, X-ray photoelectron spectroscopy （XPS）, and thermogravimetric analysis （TG）. The formation of the composite microspheres is explained by the nucleation of silver on the surface of the latices followed by growth of the silver shell.
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| 关 键 词： | 合成 核壳微球体 银配合物 聚苯乙烯 聚甲基丙烯酸 |
| 收稿时间： | October 25,2004 |
| 修稿时间： | October 25,2004 |
Synthesis and Characterization of Copolymercore-Silvershell Composite Microspheres |
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| Zhou ChangHua;Zhou JingFang;Wu ZhiShen;Zhang ZhiJun;Zhang PingYu.Synthesis and Characterization of Copolymercore-Silvershell Composite Microspheres[J].Chinese Journal of Chemistry,2005,23(8):1071-1075. |
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| Authors: | Zhou ChangHua;Zhou JingFang;Wu ZhiShen;Zhang ZhiJun;Zhang PingYu |
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| Abstract: | Composite microspheres composed of monodispersed poly(St‐co‐MAA) latices with diameter about 260 nm as core and Ag nanocrystals as shell were prepared by an in situ reduction method. The shell thickness could be controlled in the range of 15‐45 nm by this coating process. The structure and the composition of the core‐shell microspheres were characterized by transmission electron microscopy (TEM), X‐ray diffractometry (XRD), X‐ray photoelectron spectroscopy (XPS), and thermogravimetric analysis (TG). The formation of the composite microspheres is explained by the nucleation of silver on the surface of the latices followed by growth of the silver shell. |
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| Keywords: | core‐shell microsphere silver poly(St‐co‐MAA) |
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