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Abstract
A novel pillar[5]arene-based fluorescent polymer has been synthesized, and it is used for fluorescence detection and removal of the toxic mercury ions.
Highlights
Because of their high toxicity and bioaccumulation, heavy metal ions released into the environment can lead to a wide range of severe diseases.1 Considerable efforts are being devoted to developing new methodologies for detection and removal of speci c toxic metal ions.2 For example, many types of small molecules have been designed as uorescent sensors for selective and sensitive detection of metal ions.3 On the other hand, various absorbents, such as porous silicas,4 hydrogels,5 nanoparticles,6 and metal–organic frameworks (MOFs),7 are being tested for the possible removal of toxic ions
The polymer PP5 shown in Scheme 1 and the synthesis details are presented in Scheme S1.† The model compound M1 been synthesized
The scanning electron microscopy (SEM) images showed that PP5 possessed the irregular granular morphology (Fig. S13†)
Summary
Because of their high toxicity and bioaccumulation, heavy metal ions released into the environment can lead to a wide range of severe diseases. Considerable efforts are being devoted to developing new methodologies for detection and removal of speci c toxic metal ions. For example, many types of small molecules have been designed as uorescent sensors for selective and sensitive detection of metal ions. On the other hand, various absorbents, such as porous silicas, hydrogels, nanoparticles, and metal–organic frameworks (MOFs), are being tested for the possible removal of toxic ions. Many types of small molecules have been designed as uorescent sensors for selective and sensitive detection of metal ions.. The use of pillar[5]arene-based polymers to detect and remove ions hasn't been reported. We designed and synthesized a pillar[5]arene-based uorescent polymer for detecting and removing the metal ions. This report is the use of pillar[5]arenebased polymer for the selective detection and removal of mercury ions. Scheme 1 The pillar[5]arene-based polymer PP5 was applied for both fluorescent detection and removal of Hg2+. Paper use of pillar[5]arene-based pseudorotaxane to detect and remove mercury ions, it is the host–guest complex (no polymer). The residual concentration of mercury(II) was determined by the inductively coupled plasma (ICP) analysis
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