在水中构建基于支柱[5]炔介导纳米粒子的超分子光收集系统

IF 3.2 Q2 CHEMISTRY, PHYSICAL
Energy advances Pub Date : 2024-05-22 DOI:10.1039/D4YA00252K
Xiuxiu Li, Qiaona Zhang, Xiaoman Dang, Fengyao Cui, Zheng-Yi Li, Xiao-Qiang Sun and Tangxin Xiao
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引用次数: 0

摘要

光收集和能量传递是自然光合作用中无处不在的过程,极大地推动了太阳能的广泛利用。在这项研究中,我们利用吡啶鎓盐修饰的氰苯乙烯客体(CPy)和水溶性支柱[5]炔宿主(WP5)设计了一种超分子光收集系统。通过 WP5 和 CPy 之间的主客复合物,产生的超双亲化合物在水环境中进一步自组装成发射性纳米粒子。在这些纳米颗粒中加入市售染料 DBT,可产生一种高效的人工光收集系统,其供体/受体比高达(>200)。此外,该系统还展示了固态下的可调荧光发射,具有作为信息加密用颜色可调荧光墨水的潜在应用价值。我们的研究结果不仅为通过直接的超分子策略制造高效光收集系统提供了一种可行的方法,而且凸显了可调谐光致发光纳米材料的巨大潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Construction of a supramolecular light-harvesting system based on pillar[5]arene-mediated nanoparticles in water†

Construction of a supramolecular light-harvesting system based on pillar[5]arene-mediated nanoparticles in water†

Light harvesting and energy transfer are ubiquitous processes in natural photosynthesis, significantly advancing the widespread utilization of solar energy. In this study, we engineered a supramolecular light-harvesting system utilizing a pyridinium salt-modified cyanostilbene guest (CPy) and a water-soluble pillar[5]arene host (WP5). Through host–guest complexation between WP5 and CPy, the resultant supra-amphiphile further self-assembled into emissive nanoparticles within aqueous environments. Incorporating the commercially available dye DBT into these nanoparticles yielded an efficient artificial light-harvesting system with a high donor/acceptor ratio (>200). Additionally, this system demonstrated tunable fluorescence emission in the solid state and exhibited potential applications as a color-tunable fluorescent ink for information encryption. Our findings not only delineate a promising approach for fabricating efficient light-harvesting systems via a straightforward supramolecular strategy but also underscore the significant potential of tunable photoluminescent nanomaterials.

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CiteScore
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