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咔唑基树枝状共轭聚合物的合成：一种用于检测碘和汞的双通道光学探针。

Synthesis of carbazole-based dendritic conjugated polymer: a dual channel optical probe for the detection of I and Hg.

作者信息

Wu Yimin, Zhang Ling, Ma Fudong, Ding Tao, Obolda Ablikim

机构信息

College of Chemistry and Chemical Engineering, Xinjiang Agricultural University, Xinjiang, PR China.

出版信息

Des Monomers Polym. 2022 Jun 20;25(1):184-196. doi: 10.1080/15685551.2022.2088977. eCollection 2022.

DOI:10.1080/15685551.2022.2088977
PMID:35755880
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC9225711/
Abstract

A new type of carbazole-based blue-emitting dendritic conjugated polymer, poly(9,9-dioctyl)-2,7-fluorene-co-4,4',4"-triphenylamine-co-9-(4-(9H-carbazol-9-yl)butyl)-3,6-carbazole, was successfully synthesized by Suzuki coupling reaction. Chemical structures of monomers and polymer were verified by FI-IR and HNMR characterizations. We found that polymer showed a special selectivity and high sensitivity for I. With the addition of I, the fluorescent polymer solution was obviously quenched. The polymer showed a special detection effect on I. However, the fluorescent polymer was obviously restored when Hg was added to the P/I system due to the large complexation between I and Hg. The anti-interference experiments of probe P/I showed that other background cations have a slight influence on detecting Hg, and the calculated detection limit of Hg reached 9.7 × 10 M, which could be a potential application for a two-channel cyclic detection of I and Hg. Additionally, it was found that the theoretical values were in agreement with the experimental data.

摘要

通过铃木偶联反应成功合成了一种新型的基于咔唑的蓝色发光树枝状共轭聚合物聚(9,9-二辛基)-2,7-芴-共-4,4',4''-三苯胺-共-9-(4-(9H-咔唑-9-基)丁基)-3,6-咔唑。通过傅里叶变换红外光谱(FI-IR)和核磁共振氢谱(HNMR)表征验证了单体和聚合物的化学结构。我们发现该聚合物对碘表现出特殊的选择性和高灵敏度。随着碘的加入，荧光聚合物溶液明显猝灭。该聚合物对碘表现出特殊的检测效果。然而，当汞加入到P/碘体系中时，由于碘与汞之间的大量络合作用，荧光聚合物明显恢复。探针P/碘的抗干扰实验表明，其他背景阳离子对汞的检测影响较小，计算得到的汞检测限达到9.7×10⁻⁷ M，这可能在碘和汞的双通道循环检测中有潜在应用。此外，发现理论值与实验数据一致。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/2d768166d9a2/TDMP_A_2088977_F0012_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/35056e38852f/TDMP_A_2088977_SCH0001_B.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/fb19a937e068/TDMP_A_2088977_F0001_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/b48563ea4af1/TDMP_A_2088977_F0002_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/548de86d0690/TDMP_A_2088977_F0003_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/f5727cf9971a/TDMP_A_2088977_F0004_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/c4e7eefd51ed/TDMP_A_2088977_F0005_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/56cafe82eaad/TDMP_A_2088977_F0006_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/cab25cd43cb9/TDMP_A_2088977_F0007_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/ca78e6124142/TDMP_A_2088977_F0008_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/d32f04d0cfab/TDMP_A_2088977_F0009_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/3a3b37cfda01/TDMP_A_2088977_F0010_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/ffe75f71d2e5/TDMP_A_2088977_F0011_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/2d768166d9a2/TDMP_A_2088977_F0012_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/35056e38852f/TDMP_A_2088977_SCH0001_B.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/fb19a937e068/TDMP_A_2088977_F0001_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/b48563ea4af1/TDMP_A_2088977_F0002_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/548de86d0690/TDMP_A_2088977_F0003_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/f5727cf9971a/TDMP_A_2088977_F0004_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/c4e7eefd51ed/TDMP_A_2088977_F0005_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/56cafe82eaad/TDMP_A_2088977_F0006_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/cab25cd43cb9/TDMP_A_2088977_F0007_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/ca78e6124142/TDMP_A_2088977_F0008_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/d32f04d0cfab/TDMP_A_2088977_F0009_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/3a3b37cfda01/TDMP_A_2088977_F0010_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/ffe75f71d2e5/TDMP_A_2088977_F0011_OC.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/1b5b/9225711/2d768166d9a2/TDMP_A_2088977_F0012_OC.jpg

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