ESIPT 调制的 HBT 邻硼烷二元体具有高效的聚集诱导发射和酸诱导变色特性

IF 5.7 2区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY Journal of Materials Chemistry C Pub Date : 2024-09-13 DOI:10.1039/D4TC02889A

Xueyan Wu, Chenxi Zhang, Na Li, Yan Lv, Jinxia Chi and Jixi Guo

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引用次数: 0

摘要

以邻硼烷和 2-(2′-羟基苯基)苯并噻唑 (HBT) 为底物，通过镍催化交叉偶联反应设计并合成了非 ESIPT C-HBTP 和 ESIPT C-HBTO。通过紫外可见吸收光谱、荧光光谱和 DFT 计算，对这些化合物的光物理特性进行了深入研究。具有 ESIPT 特性的 C-HBTO 经历了从烯醇结构到更稳定的酮构型的结构转变。此外，C-HBTP 和 C-HBTO 还具有出色的聚集诱导发射（AIE）特性，在固态下的量子产率分别为 39.1%和 33.8%。

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ESIPT-modulated HBT–o-carborane dyads with efficient aggregation-induced emission and acid-induced discolouration properties†

Non-ESIPT C-HBTP and ESIPT C-HBTO were designed and synthesized through nickel-catalyzed cross-coupling reactions, utilizing o-carborane and 2-(2′-hydroxy-phenyl)benzothiazole (HBT) as substrates. The photophysical characteristics of these compounds were thoroughly investigated through UV-vis absorption spectroscopy, fluorescence spectroscopy, and DFT calculations. C-HBTO, with its ESIPT properties, undergoes a structural transformation from an enol structure to a more stable ketone configuration. Additionally, C-HBTP and C-HBTO exhibited excellent aggregation-induced emission (AIE) properties and good quantum yields of 39.1% and 33.8% in the solid state, respectively.

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来源期刊

Journal of Materials Chemistry C MATERIALS SCIENCE, MULTIDISCIPLINARY-PHYSICS, APPLIED

CiteScore

10.80

自引率

6.20%

发文量

1468

期刊介绍： The Journal of Materials Chemistry is divided into three distinct sections, A, B, and C, each catering to specific applications of the materials under study: Journal of Materials Chemistry A focuses primarily on materials intended for applications in energy and sustainability. Journal of Materials Chemistry B specializes in materials designed for applications in biology and medicine. Journal of Materials Chemistry C is dedicated to materials suitable for applications in optical, magnetic, and electronic devices. Example topic areas within the scope of Journal of Materials Chemistry C are listed below. This list is neither exhaustive nor exclusive. Bioelectronics Conductors Detectors Dielectrics Displays Ferroelectrics Lasers LEDs Lighting Liquid crystals Memory Metamaterials Multiferroics Photonics Photovoltaics Semiconductors Sensors Single molecule conductors Spintronics Superconductors Thermoelectrics Topological insulators Transistors

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