Journal
EUROPEAN POLYMER JOURNAL
Volume 181, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eurpolymj.2022.111672
Keywords
Porous polyaminocarbazole; Fluorescent chemsensors; Heavy metals detection; Chemical oxidation polymerization
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Funding
- Natural Science Foundation of China [21875173]
- Fundamental Research Funds for the Central Universities of China [2042019gf0028]
- Large-Scale Instrument and Equipment Sharing Foundation of Wuhan University
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In this study, a novel star-shaped porous fluorescent polyaminocarbazole material was successfully synthesized through chemical oxidation polymerization. The material exhibited a large surface area, high environmental stability, and excellent sensitivity towards metal ions, making it promising for chemical sensors.
Porous organic polymers (POPs) have attracted widespread attention in many fields because of their large specific surface area, uniform pore size and high environmental stability. However, the rational synthetic strategy of POPs remains limited and challenging. Herein, the amine group (-NH2) of 9,9 ',9 ''-(benzene-1,3,5-triyl)tris(9H-carbazol-3-amine) (TCBA) and 9-(4-(bis(4-(3-amino-9H-carbazol-9-yl)phenyl)amino)phenyl)-9H-carbazol-3-amine (TCPA) is used as node via chemical oxidation polymerization to fabricate novel star-shaped porous fluorescent polyaminocarbazole (PTCBA and PTCPA). PTCBA and PTCPA not only have large surface area and high environmental stability but also exhibit excellent sensitivity toward Fe3+, Cu2+ and Ru3+. Inter-estingly, Fe3+, Cu2+ and Ru3+ can be visibly recognized by fluorescent paper strip. We envisage that such porous fluorescent polyaminocarbazole is a promising material in chemsensors.
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