| 改性聚苯乙烯微球的制备及其胶体晶体的组装 |
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| 引用本文： | 黄忠兵,高继宁,汪静,唐芳琼,袁春伟.改性聚苯乙烯微球的制备及其胶体晶体的组装[J].物理化学学报,2004,20(6):651-655. |
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| 作者姓名： | 黄忠兵 高继宁 汪静 唐芳琼 袁春伟 |
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| 作者单位： | Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100101; Key Laboratory of Molecular and Biomolecular Electronics of Ministry of Education, Southeast University, Nanjing 210096; School of Science, Dalian Fisheries University, Dalian 116023 |
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| 基金项目： | 国家高技术研究发展规划(863纳米专项)(2002AA302108)，国家自然科学基金(20301015)资助项目~~ |
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| 摘 要： | 采用甲基丙烯酸改性的无皂乳液聚合方法制备了尺寸为210 nm、含羧基的聚苯乙烯(PS)微球，用红外光谱、透射电子显微镜和粒度分析仪对其形状和结构进行分析，结果表明，经甲基丙烯酸改性后得到了表面为高密度电荷的单分散性PS微球.用垂直沉积法快速制备出在较大范围(大于1 cm2)呈现很好有序性的密排结构聚苯乙烯胶体晶体薄膜，其在590 nm波长处存在光子带隙.在电子显微镜下，观察到这种胶体晶体是面心立方(fcc)密排结构.
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| 关 键 词： | 无皂聚合 胶体晶体 垂直沉积法 单分散微球 |
| 收稿时间： | 2003-12-30 |
| 修稿时间： | 2003年12月30 |
Preparation of the Modified Polystyrene Microspheres and the Assemble of the Colloid Crystals with High Crystalline Quality |
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| Huang Zhong-Bing Gao Ji-Ning Wang Jing Tang Fang-Qiong Yuan Chun-Wei.Preparation of the Modified Polystyrene Microspheres and the Assemble of the Colloid Crystals with High Crystalline Quality[J].Acta Physico-Chimica Sinica,2004,20(6):651-655. |
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| Authors: | Huang Zhong-Bing Gao Ji-Ning Wang Jing Tang Fang-Qiong Yuan Chun-Wei |
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| Institution: | Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100101; Key Laboratory of Molecular and Biomolecular Electronics of Ministry of Education, Southeast University, Nanjing 210096; School of Science, Dalian Fisheries University, Dalian 116023 |
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| Abstract: | Polystyrene microspheres with carboxyl of 210 nm were prepared by emulsifier-free polymerization, and characterized by FTIR, TEM, and dynamics light scattering. The results indicate that the PS microspheres modified by methacrylic acid were monodisperse and highly charged. PS colloidal crystal was fabricated quickly from aqueous colloidal solutions by the vertical deposition method at proper temperature and humidity, and its photonic band gap was at 590 nm. The stacking of PS colloid crystal between(111) planes was determined by electron microscopy (TEM and SEM), and the results indicate that the sample of PS colloid crystal is face-centered-cubic (fcc) structure. |
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| Keywords: | Emulsifier-free polymerization Colloidal crystals Vertical deposition method Monodisperse microspheres |
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