一种苯基吡啶基丙烯腈类水相人工光捕获体系的构筑
The Fabrication of Phenylpyridinylacrylonitrile-Based Aqueous Artificial Light-Harvesting System
摘要: 本文设计合成了一种具有聚集诱导效应的苯基吡啶基丙烯腈衍生物(PPAD)作为客体分子，通过与羧酸盐修饰的水溶性柱[5]芳烃(P[5]A)进行主–客体作用，在水中形成了超分子两亲体，并自组装成P[5]A-PPAD超分子纳米颗粒。由于P[5]A-PPAD具有明显的荧光发射能力，可将其作为能量供体，并对能量受体荧光染料4,7-二(2-噻吩基)-2,1,3-苯并噻二唑(DBT)进行包载，成功构筑了一种新型P[5]A-PPAD-DBT超分子人工光捕获体系。通过性能测试发现，P[5]A-PPAD-DBT体系的能量转移效率为52.7%，天线效应为11.6，具有良好的水相人工光捕获能力，为水相人工光捕获体系的构筑与发展提供了新的思路。
Abstract: In this work, a phenylpyridinylacrylonitrile-based derivative (PPAD) with aggregation inducing effect was initially designed and synthesized, which was used as a guest molecule. Through host-guest interaction with a water-soluble pillar[5]arene (P[5]A) modified with carboxylate salts, P[5]A-PPAD supramolecular amphiphilics were formed in water and self-assembled into P[5]A-PPAD supramolecular nanoparticles. Due to the significant fluorescence emission ability of P[5]A-PPAD, P[5]A-PPAD could be used as an energy donor and encapsulate the energy acceptor fluorescent dye 4,7-di(2-thienyl)-2,1,3-benzothiadiazole (DBT) to construct P[5]A-PPAD-DBT supramolecular artificial light harvesting system. After further investigation of light-harvesting performance, the energy transfer efficiency of P[5]A-PPAD-DBT system was 52.7%, and the antenna effect was 11.6, which indicated a good aqueous light-harvesting ability, providing new ideas for the construction and development of supramolecular artificial light harvesting systems.
文章引用：李梦行, 李家吉, 冯晋, 朱金丽, 汤艳峰, 孙广平. 一种苯基吡啶基丙烯腈类水相人工光捕获体系的构筑[J]. 有机化学研究, 2024, 12(3): 474-481. https://doi.org/10.12677/jocr.2024.123045

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