| 纳米多孔SiO2/PI杂化薄膜的制备与性能研究 |
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| 引用本文： | 田晶,张瑾,柳清菊,朱忠其,刘强,曾坤伟. 纳米多孔SiO2/PI杂化薄膜的制备与性能研究[J]. 功能材料, 2009, 40(5) |
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| 作者姓名： | 田晶 张瑾 柳清菊 朱忠其 刘强 曾坤伟 |
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| 作者单位： | 云南大学,云南省高校纳米材料与技术重点实验室,云南,昆明,650091 |
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| 基金项目： | 教育部新世纪优秀人才支持计划资助项目(NCET-04-0915);;云南省应用基础研究计划重点资助项目(2006E0001Z);;云南省教育厅科学研究基金资助项目(07Y41250);;云南省应用基础研究计划面上资助项目(2008CD076) |
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| 摘 要： | 采用碱催化正硅酸乙酯(TEOS)的溶胶-凝胶法与分子模板法相结合,通过旋转涂覆在硅衬底上制备了掺杂聚酰亚胺(PI)的纳米多孔SiO2薄膜,并利用差热分析(DSC-TGA)、红外吸收光谱(FTIR)、原子力显微镜(AFM)、X射线衍射(XRD)、台阶仪(Atom-ic-Profiler)等对薄膜的性能进行了分析表征.结果表明,所制备的SiO2/PI杂化多孔薄膜为多孔的无定型结构,具有较好的热稳定性及力学性能,一层膜和两层膜的平均孔径分别为68和72nm,厚度分别为917和1288nm.
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| 关 键 词： | 纳米多孔SiO2/PI杂化薄膜 碱催化 溶胶-凝胶法 |
Preparation and characterization of nanoporous SiO_2/PI hybrid film |
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| TIAN Jing , ZHANG Jin , LIU Qing-ju , ZHU Zhong-qi , LIU Qiang , ZENG Kun-wei. Preparation and characterization of nanoporous SiO_2/PI hybrid film[J]. Journal of Functional Materials, 2009, 40(5) |
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| Authors: | TIAN Jing ZHANG Jin LIU Qing-ju ZHU Zhong-qi LIU Qiang ZENG Kun-wei |
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| Affiliation: | Yunnan Key Laboratory of Nanomaterials & Nanotechnology;Yunnan University;Kunming 650091;China |
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| Abstract: | The nanoporous SiO2/PI hybrid thin film were preparaed on silicon wafers via adoping base catalyzed TEOS sol-gel method,molecular template and spinning coating.The film were analyzed and characterized by DSC-TGA,FTIR,AFM,XRD and Atomic Profiler method.The results show that the nanoporous SiO2/PI hybrid thin film is porous and amorpgous which has good thermal stability and mechanical property.The average pore diameter is 68nm in one-layer film and 72nm in two-layer film.The average thickness of one-layer and... |
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| Keywords: | nanoporous SiO2/PI hybrid film base catalyst morphology sol-gel process |
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