含磺酸盐聚电解质的合成与PPV电致发光性能研究

Based on the molecular design strategies, we plan to synthesize polyelectrolytes and PPV derivative materials including phenoxy (or oxyethyl) sulfosalt group side chain structure. We will study on the ground and excited state structure of the polyelectrolytes containing different group (phenoxy or oxyethyl sulfosalt) and PPV derivative with oxyethyl in the main chain using the quantum theory methods, calculate their affinity energies, ionization energy and electron emission information, and illustrate the relationship between the structures of the polyelectrolytes and PPV derivative with phenoxy sulfosalt (or oxyethyl) group and the electron transport and photoelectric properties in theory. We will systematically investigate the strucutre, stability, solubility, compatibility and electroluminescence device properties etc of the polyelectrolytes and PPV derivative materials via modern analysis and measurement methods, and explore the fabrication of the PLEDs device with low cut-in voltage, high luminance and current efficiency.

本项目基于分子设计理论，拟制备含磺酸盐苯氧基（或乙氧基）侧链结构的聚电解质和PPV衍生物发光材料。采用量子理论方法研究含不同侧基（磺酸盐苯氧基、磺酸盐乙氧基）聚电解质和乙氧基主链结构的PPV衍生物的基态和激发态结构，计算其亲和能、电离能和电子发射等信息，从理论上阐述含磺酸盐苯氧基（或乙氧基）侧链结构的聚电解质和PPV衍生物的结构与电子传输和光电性能的关系。利用现代分析测试手段研究合成的聚电解质和PPV衍生物的结构、稳定性、溶解性、相容性和电致发光器件性能等物性因素，探索制备低开启电压、高亮度和高电流效率的PLEDs器件。

项目组成员成功制备了含磺酸盐苯氧基侧链结构的聚电解质和PPV衍生物发光材料。研究了含不同侧基磺酸盐苯氧基聚电解质和乙氧基主链结构的PPV衍生物的基态和激发态结构，计算其亲和能、电离能和电子发射等信息，从理论上阐述含磺酸盐苯氧基（或乙氧基）侧链结构的聚电解质和PPV衍生物的结构与电子传输和光电性能的关系。研究了合成的聚电解质和PPV衍生物的结构、稳定性、溶解性、相容性和电致发光器件性能等物性因素。项目组在SCI、EI数据库收录期刊上发表论文28篇，申请中国发明专利13项，培养博士研究生6名。