Dendritic AIE-active luminogens with a POSS core: synthesis, characterization, and application as chemosensors

Xiang Kai; He Lijuan; Li Yanmin; Xu Caihong; Li Shuhong

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Dendritic AIE-active luminogens with a POSS core: synthesis, characterization, and application as chemosensors

机译：具有足够核心的树突式AIE活性发光剂：合成，表征和应用作为化学传感器

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Two nano-hybrid dendrimers were synthesized by grafting tetraphenylethene (TPE) units onto a polyhedral oligomeric silsesquioxane (POSS) core through a one-step hydrosilylation reaction. The two dendrimers demonstrated typical aggregation-induced emission (AIE), and they exhibited outstanding thermal stability and high fluorescence quantum yields. The emissions of their nanoaggregates can be quenched by picric acid or selectively by Ru3+ ions with a superamplification effect. The quenching constants of the dendrimers for picric acid and Ru3+ ions are as high as 560 000 and 473 640 M-1, respectively, suggesting that they are highly sensitive chemosensors for explosives and metal ions.

机译：通过将四苯基乙烯（TPE）单元通过一步氢化硅烷化反应将四苯基乙烯（TPE）单元接枝到多面体低聚体硅烷烷（POSS）核中来合成两个纳米混合树枝状过敏率。这两个树枝状大分子证明了典型的聚集诱导的发射（AIE），它们表现出出色的热稳定性和高荧光量子产率。它们的纳米聚糖的排放可以通过麦酸或选择性地通过Ru3 +离子淬灭，具有超光效应。麦酸和Ru3 +离子的树枝状体的淬火常数分别高达560 000和473 640 m-1，表明它们是炸药和金属离子的高敏感的化学传感器。

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《RSC Advances》 |2015年第118期|共7页
作者
Xiang Kai; He Lijuan; Li Yanmin; Xu Caihong; Li Shuhong;
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Chinese Acad Sci Inst Chem BNLMS Beijing 100190 Peoples R China;

Chinese Acad Sci Inst Chem BNLMS Beijing 100190 Peoples R China;

Beijing Technol &

Business Univ Sch Sci Beijing 100037 Peoples R China;

Chinese Acad Sci Inst Chem BNLMS Beijing 100190 Peoples R China;

Beijing Technol &

Business Univ Sch Sci Beijing 100037 Peoples R China;

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正文语种 eng
中图分类化学;
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1. Dendritic AIE-active luminogens with a POSS core: synthesis, characterization, and application as chemosensors [J] . Xiang Kai, He Lijuan, Li Yanmin, RSC Advances . 2015,第118期

机译：具有足够核心的树突式AIE活性发光剂：合成，表征和应用作为化学传感器
2. Responsive core-shell microgels: Synthesis, characterization, and possible applications [J] . Hellweg T. Journal of Polymer Science, Part B. Polymer Physics . 2013,第14期

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3. Synthesis of Polystyrene Nanoparticles Possessing Dendritic Cores [J] . DISPERSION POLYMERS: TECHNOLOGY amp, APPLICATIONS GROUP Dispersion Polymers: Technology & Applications . 2009,第3期

机译：具有树枝状核的聚苯乙烯纳米粒子的合成
4. Dendritic Nanoscale Chelating Agents: Synthesis, Characterization, and Environmental Applications [C] . Mamadou S. Diallo, Lajos Balogh, Simone Christie, Symposium on Nanotechnology and the Environment: Applications and Implications . 2005

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Dendritic AIE-active luminogens with a POSS core: synthesis, characterization, and application as chemosensors

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