三联吡啶类配合物制备与全固态电致变色器件性能研究

发布时间：2018-01-07 00:16

本文关键词：三联吡啶类配合物制备与全固态电致变色器件性能研究　出处：《苏州科技学院》2015年硕士论文　论文类型：学位论文

【摘要】：三联吡啶基团因其具有吸电子的三齿配体结构,可以与不同金属离子配位,形成不同的配合物,而具有了不同的颜色转化,成为了当前绿色光电材料的研究热点。本文通过不同的化学合成方法合成出了分别以芴基、苯基和三苯胺基取代三联吡啶类衍生物,并用合成出来的衍生物作为配体化合物与不同的金属离子配合,得到了13种目标配合物,并对合成出来的配合物结构进行了不同方式的表征。通过紫外可见吸收光谱和循环伏安分析验证了各配合物的电致变色机理。结果表明:有机金属配合物是通过金属离子与配体间电荷迁移来实现电致变色的。依据合成出来的配合物的不同性质,分别通过自由沉积法和电化学沉积法在ITO导电玻璃上制备出了各配合物的电致变色薄膜,并测试了薄膜的部分光学性质。以制得的配合物薄膜作为电致变色层材料、LiClO4/PMMA/PC聚合物电解质作为离子存储层和离子导电层制作了基于ITO玻璃的全固态器件,同时对器件进行了性能测试。结果表明:各配合物制得的电致变色器件都能够在小于2.5V的外加电压作用下实现不同颜色的可逆变化,并且相同的配体和不同的金属离子得到的配合物可以有完全不同的颜色转化。器件的断电记忆保持时间测试显示出含富电子基团的配合物具有更长的开路记忆时间。
[Abstract]:The tripyridine group has different color conversion due to its tridentate ligand structure which can coordinate with different metal ions and form different complexes. In this paper, fluorene, phenyl and triphenylamino substituted tripyridine derivatives were synthesized by different chemical synthesis methods. The synthesized derivatives were used as ligands to coordinate with different metal ions and 13 kinds of target complexes were obtained. The structures of the complexes were characterized in different ways. The electrochromic mechanism of the complexes was verified by UV-Vis absorption spectra and cyclic voltammetry. Organometallic complexes are electrochromic by charge transfer between metal ions and ligands. Electrochromic films of various complexes were prepared on ITO conductive glass by free deposition and electrochemical deposition respectively. Some optical properties of the films were tested. The complex films were used as electrochromic layer materials. LiClO4/PMMA/PC polymer electrolyte is used as an ionic storage layer and an ionic conductive layer to fabricate all-solid-state devices based on ITO glass. The results show that the electrochromic devices can achieve reversible changes of different colors under the applied voltage of less than 2.5 V. And the same ligand and different metal ions can have completely different color conversion. The on-off memory retention time test shows that the complexes with rich electron groups have longer open circuit memory time.
【学位授予单位】：苏州科技学院
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：O627;TB34

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