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Acylhydrazone functionalized benzimidazole-based metallogel for the efficient detection and separation of Cr3+

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Abstract

Chromium(III) is a kind of microelement and can be converted to the more toxic chromium(VI), which is a carcinogen, by redox cycling. Thus, the development of novel materials for the detection and removal of Cr3+ is a very important issue. A novel metallogel chemosensor (BMG-Fe) based on functionalized benzimidazole (BM) and Fe3+ was constructed, which could fluorescently detect and separate Cr3+. The detection limit of BMG-Fe for Cr3+ is 2.62 × 10−8 M, and it exhibited high sensitivity and selectivity for Cr3+. Meanwhile, the absorbing percentage of BMG-Fe for Cr3+ is 96.36%, indicating a high separation rate. Interestingly, the sensitivity and ingestion capacity of BMG-Fe for Cr3+ are better than that of the simple organogel (BMG). So, the metallogel BMG-Fe could be utilized for the efficient removal of heavy metal ions from waste water.

Graphical abstract: Acylhydrazone functionalized benzimidazole-based metallogel for the efficient detection and separation of Cr3+

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Publication details

The article was received on 31 Aug 2018, accepted on 19 Sep 2018 and first published on 20 Sep 2018


Article type: Paper
DOI: 10.1039/C8SM01789A
Citation: Soft Matter, 2018, Advance Article
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    Acylhydrazone functionalized benzimidazole-based metallogel for the efficient detection and separation of Cr3+

    H. Yao, J. Wang, Q. Zhou, X. Guan, Y. Fan, Y. Zhang, T. Wei and Q. Lin, Soft Matter, 2018, Advance Article , DOI: 10.1039/C8SM01789A

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