Recognition of trace organic pollutant and toxic metal ions via a tailored fluorescent metal–organic coordination polymer in water environment
| Autor: | Shuxia Liu, Fang Luo, Yiwei Liu, Danfeng He, Fujiang Zhou, Xianjun Zhao, Shumei Liu |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
chemistry.chemical_classification
Detection limit Chemistry Coordination polymer General Chemical Engineering Metal ions in aqueous solution Inorganic chemistry 02 engineering and technology General Chemistry Polymer 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences Fluorescence 0104 chemical sciences Metal chemistry.chemical_compound visual_art visual_art.visual_art_medium Water environment 0210 nano-technology Luminescence |
| Zdroj: | RSC Advances. 8:34712-34717 |
| ISSN: | 2046-2069 |
| DOI: | 10.1039/c8ra05502e |
| Popis: | A novel fluorescence material H2Sr2(bqdc)3(phen)2 (1) for trace recognition of organic pollutant and toxic metal ions is designed and prepared by two weak fluorescent ligands and Sr2+. The latter was selected although it played no role in the modulation process of luminescence and despite low-cost, alkaline earth, metal–organic coordination polymers lacking competitive functionality. The strong fluorescence of the fluorescence material was based on the propeller configuration of the metal–organic coordination polymer, which was characterized by X-ray single crystal diffraction showing that the N active sites inside the crystal channels can interact with external guests. Convenient fluorescence detection of 3-AT can be realized using an ultraviolet lamp and test strip and the determination of Cd2+ showed good reusability with a detection limit of 1 × 10−9 mol L−1, which is lower than the standard stipulated by the Environmental Protection Agency. Detailed experiments results revealed that the material was a promising candidate for specifically recognizing amitrole and Cd2+ because of its selective fluorescence quenching and sensitive detection in water. |
| Databáze: | OpenAIRE |
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