Synthesis of water soluble chromophore with A-pi-D-pi-A structures

文献类型： 外文期刊

第一作者： Ouyang, Canbin

作者： Ouyang, Canbin;Cao, Aocheng;Zhou, Jian;Wang, Min;Guo, Li

作者机构：

期刊名称：JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS （ 影响因子：2.478； 五年影响因子：2.171 ）

ISSN： 0957-4522

年卷期： 2015 年 26 卷 12 期

页码：

收录情况： SCI

摘要： In order to explore the application of organic conjugated small molecules in bio-imaging, novel functional chromophore with A-pi-D-pi-A structures (chromophore OY-2) was designed and synthesized. To improve the water solubility of this conjugated molecule, two carboxyl groups were introduced to chromophore OY-2 in the electron acceptor parts. Compared to the traditional D-pi-A chromophores, chromophore OY-2 showed us great improvement in water solubility. The solubility of chromophore OY-2 in water could reach 300 ppm. Else, the thermal stability of chromophore OY-2 was also studied. Due to the presence of multi-carboxyl groups, the thermal stability of chromophore OY-2 was not very good. The initial decomposition temperature was just above 210 A degrees C, which was attributed to the dehydration of the carboxyl groups. Though the SHG effect was not very high, it is large enough for the detection of SHG signal in water solution (0.2-0.3 pm/V).

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