| 含罗丹明B的纳米复合介孔薄膜的制备和性能 |
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| 引用本文： | 姚兰芳,关飞飞,谢伏将,鲁凤琴,岳春晓. 含罗丹明B的纳米复合介孔薄膜的制备和性能[J]. 功能材料与器件学报, 2009, 15(4) |
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| 作者姓名： | 姚兰芳 关飞飞 谢伏将 鲁凤琴 岳春晓 |
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| 作者单位： | 上海理工大学,理学院物理系,上海,200093;上海理工大学,理学院物理系,上海,200093;上海理工大学,理学院物理系,上海,200093;上海理工大学,理学院物理系,上海,200093;上海理工大学,理学院物理系,上海,200093 |
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| 基金项目： | Innovation Program of Shanghai Municipal Education Commission(08YZ97) |
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| 摘 要： | 采用溶胶-凝胶技术、蒸发诱导自组装法,通过酸/酸二步法控制实验条件,实验中采用表面活性剂十六烷基三甲基溴化氨(CTAB)为模板剂,正硅酸乙酯为硅源、罗丹明B、以及二次去离子水,盐酸为催化剂等原料制备前驱体溶胶.通过简单提拉迅速蒸发溶剂制备介孔薄膜,对介孔薄膜进行了X射线衍射、透射电子显微镜表征,观察了薄膜样品的吸收光谱和荧光光谱.含罗丹明B膜的吸收光谱表明主峰是RhB单体的吸收和微弱吸收的次峰是RhB形成的二聚体的吸收.而在荧光光谱中只有一个发射谱带,这是RhB单体的最低激发能级到基态级的跃迁,含罗丹明B的纳米复合介孔薄膜中,随着RhB浓度的增大,荧光峰位发生红移,这可以说明激发态分子的偶极矩减小.
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| 关 键 词： | 纳米复合介孔薄膜 罗丹明B 荧光光谱 吸收光谱 溶胶-凝胶方法 |
Preparation and properties of nano-composite mesostructured thin films containing rhodamine B |
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| YAO Lan-fang,GUAN Fei-fei,XIE Fu-jiang,LU Feng-qin,YUE Chun-xiao. Preparation and properties of nano-composite mesostructured thin films containing rhodamine B[J]. Journal of Functional Materials and Devices, 2009, 15(4) |
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| Authors: | YAO Lan-fang GUAN Fei-fei XIE Fu-jiang LU Feng-qin YUE Chun-xiao |
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| Affiliation: | Dept.of physics;University of Shanghai for Science & Technology;Shanghai 200093;China |
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| Abstract: | Nano-composite mesostructured thin films containing rhodamine B have been prepared.A precursor sol containing tetraethoxysilane,ethanol,surfactant cetyltrimethylammonium bromide(CTAB),water,rhodamine B and acid catalyst was prepared by sol-gel,the control being suitable response condition.Depositing the precursor sol on a substrate wherein evaporation of solvent and water causes the formation of mesostructured films on the substrate surface by evaporation-induced self-assembly process.The mesoporous film wa... |
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| Keywords: | nano-composite mesostructured film rhodamine B fluorescence spectra absorption spec-tra sol-gel method |
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