2D hyperbranched conjugated polymer for detecting TNT with excellent exciton migration
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- 作者：Xiao-Shuang MaAuthor Vitae ; Yue-Zhi Cui ; yuezhicui@163.com" class="auth_mail" title="E-mail the corresponding authorAuthor Vitae ; Yun-Qiao DingAuthor Vitae ; Fu-Rong TaoAuthor Vitae ; Bing ZhengAuthor Vitae ; Run-Hui YuAuthor Vitae ; Wen HuangAuthor Vitae
- 关键词：Hyperbranched ; 2D ; Conjugated polymers ; Exciton migration ; Detection ; TNT
- 刊名：Sensors & Actuators: B. Chemical
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：238
- 期：Complete
- 页码：48-57
- 全文大小：3569 K
文摘
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The 2D hyperbranched conjugated polymer class="boldFont">P2 was synthesized and used as a sensor for detecting TNT.
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Thermal stability, solubility, sensitivity and thermodynamic driving force of the hyperbranched conjugated polymer were improved.
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The quenching speed of class="boldFont">P2 positively correlates with the rate of electron transfer.
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Hyperbranched conjugated polymers afford multi-dimensional transport pathways for exciton migration.
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Quantum-chemical calculations were performed to study the binding mode of sensors and TNT.