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紫外光辐照Bi4-xNdxTi3O12薄膜制备工艺
  • 期刊名称:稀有金属材料与工程2009(38),279-281,SCI检
  • 时间:0
  • 分类:TM914.4[电气工程—电力电子与电力传动]
  • 作者机构:College of Materials Science and Chemical Engineering,Harbin Engineering University, Key Laboratory of Functional Inorganic Material Chemistry,Ministry of Education,Heilong jiang University, Key Laboratory of Functional Inorganic Material Chemistry,Ministry of Education,Heilongjiang University, Key Laboratory of Functional Inorganic Material Chemistry,Ministryof Education,Heilongjiang University, School of Materials Science and Engineering,Harbin Institute of Technology
  • 相关基金:Projects(50502013, 562869) supported by the National Natural Science Foundation of China;Project(2005AFQXJ062) supported by Harbin Youth Foundation, China;Project(20070410892) supported by China Postdoctoral Science Foundation
  • 相关项目:一维铁电体SrBi2Ta2O9纳米结构生长机制研究
中文摘要:

Novel linear and star branched triphenylamine-containing aromatic imides were designed and synthesized by the condensation between amine-substituted triphenylamine and naphthalene-1, 4, 5, 8-tetra-carboxylic dianhydride in order to investigate the influence of topological structure on the photophysical performance. The polyimides were characterized by elementary analysis and FTIR measurements. Thermogravimetric analysis (TGA) shows that the onset temperatures of decomposition (Td) for 5% mass loss range from 371 to 445 ℃. UV-Vis spectrum, quantum chemical calculation and cyclic voltammetry (CV) were used to obtain the dependence of energy levels on the function of structures. The introduction of triphenylamine group changes the energy level of the entire dye system. The dye-sensitized solar cells (DSSCs) prepared by using the dyes have a strong photoelectric current response in visible light region of 400-600 nm.

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