Polyacrylic Acid-Ca(Eu) Nanoclusters as a Luminescence Sensor of Phosphate Ion
In this study, we synthesized polyacrylic acid (PAA)-Ca (Eu) nanoclusters as a luminescence sensor of phosphate ion by a complex method, and we aimed to achieve the quantitative detection of PO<sub>4</sub><sup>3−</sup> based on the sensitivity of the charge transfer band of E...
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MDPI AG
2022-07-01
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| Series: | Nanomaterials |
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| Online Access: | https://www.mdpi.com/2079-4991/12/14/2398 |
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| author | Chunhui Song Qifa Song Ziyou Ding Yingchao Han |
| author_facet | Chunhui Song Qifa Song Ziyou Ding Yingchao Han |
| author_sort | Chunhui Song |
| collection | DOAJ |
| description | In this study, we synthesized polyacrylic acid (PAA)-Ca (Eu) nanoclusters as a luminescence sensor of phosphate ion by a complex method, and we aimed to achieve the quantitative detection of PO<sub>4</sub><sup>3−</sup> based on the sensitivity of the charge transfer band of Eu<sup>3+</sup> to anionic ligand. The resulting PAA-Ca(Eu) nanoclusters showed a well-dispersed and a dot-like morphology, with an ultra-small diameter (the average size of 2.17 nm) under high resolution transmission electron microscopy(HRTEM) observation. A dynamic light scattering particle size analyzer (DLS) showed a hydrodynamic size of 2.39 nm. The (PAA)-Ca (Eu) nanoclusters as a luminescence sensor showed a significantly higher sensitivity for PO<sub>4</sub><sup>3−</sup> than other anions (CO<sub>3</sub><sup>2−</sup>, SiO<sub>3</sub><sup>2−</sup>, SO<sub>4</sub><sup>2−</sup>, SO<sub>3</sub><sup>2−</sup>, Br<sup>−</sup>, Cl<sup>−</sup>, F<sup>−</sup>). The luminescence intensity displayed a linear increase (y = 19.32x + 74.75, R<sup>2</sup> > 0.999) in a PO<sub>4</sub><sup>3</sup> concentration range (0–10 mM) with the concentration of PO<sub>4</sub><sup>3−</sup> increase, and the limit of detection was 0.023 mM. The results showed good recovery rates and low relative standard deviations. These (PAA)-Ca (Eu) nanoclusters are hopeful to become a luminescence sensor for quantitatively detecting PO<sub>4</sub><sup>3−</sup>. |
| first_indexed | 2024-03-09T13:16:17Z |
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| id | doaj.art-42103a599c8a46e39380290184cdf87a |
| institution | Directory Open Access Journal |
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| language | English |
| last_indexed | 2024-03-09T13:16:17Z |
| publishDate | 2022-07-01 |
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| series | Nanomaterials |
| spelling | doaj.art-42103a599c8a46e39380290184cdf87a2023-11-30T21:35:37ZengMDPI AGNanomaterials2079-49912022-07-011214239810.3390/nano12142398Polyacrylic Acid-Ca(Eu) Nanoclusters as a Luminescence Sensor of Phosphate IonChunhui Song0Qifa Song1Ziyou Ding2Yingchao Han3State Key Laboratory of Advanced Technology for Material Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, ChinaState Key Laboratory of Advanced Technology for Material Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, ChinaState Key Laboratory of Advanced Technology for Material Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, ChinaState Key Laboratory of Advanced Technology for Material Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, ChinaIn this study, we synthesized polyacrylic acid (PAA)-Ca (Eu) nanoclusters as a luminescence sensor of phosphate ion by a complex method, and we aimed to achieve the quantitative detection of PO<sub>4</sub><sup>3−</sup> based on the sensitivity of the charge transfer band of Eu<sup>3+</sup> to anionic ligand. The resulting PAA-Ca(Eu) nanoclusters showed a well-dispersed and a dot-like morphology, with an ultra-small diameter (the average size of 2.17 nm) under high resolution transmission electron microscopy(HRTEM) observation. A dynamic light scattering particle size analyzer (DLS) showed a hydrodynamic size of 2.39 nm. The (PAA)-Ca (Eu) nanoclusters as a luminescence sensor showed a significantly higher sensitivity for PO<sub>4</sub><sup>3−</sup> than other anions (CO<sub>3</sub><sup>2−</sup>, SiO<sub>3</sub><sup>2−</sup>, SO<sub>4</sub><sup>2−</sup>, SO<sub>3</sub><sup>2−</sup>, Br<sup>−</sup>, Cl<sup>−</sup>, F<sup>−</sup>). The luminescence intensity displayed a linear increase (y = 19.32x + 74.75, R<sup>2</sup> > 0.999) in a PO<sub>4</sub><sup>3</sup> concentration range (0–10 mM) with the concentration of PO<sub>4</sub><sup>3−</sup> increase, and the limit of detection was 0.023 mM. The results showed good recovery rates and low relative standard deviations. These (PAA)-Ca (Eu) nanoclusters are hopeful to become a luminescence sensor for quantitatively detecting PO<sub>4</sub><sup>3−</sup>.https://www.mdpi.com/2079-4991/12/14/2398nanoclustersEu<sup>3+</sup> luminescence sensorPO<sub>4</sub><sup>3−</sup> detectioncharge transfer band |
| spellingShingle | Chunhui Song Qifa Song Ziyou Ding Yingchao Han Polyacrylic Acid-Ca(Eu) Nanoclusters as a Luminescence Sensor of Phosphate Ion Nanomaterials nanoclusters Eu<sup>3+</sup> luminescence sensor PO<sub>4</sub><sup>3−</sup> detection charge transfer band |
| title | Polyacrylic Acid-Ca(Eu) Nanoclusters as a Luminescence Sensor of Phosphate Ion |
| title_full | Polyacrylic Acid-Ca(Eu) Nanoclusters as a Luminescence Sensor of Phosphate Ion |
| title_fullStr | Polyacrylic Acid-Ca(Eu) Nanoclusters as a Luminescence Sensor of Phosphate Ion |
| title_full_unstemmed | Polyacrylic Acid-Ca(Eu) Nanoclusters as a Luminescence Sensor of Phosphate Ion |
| title_short | Polyacrylic Acid-Ca(Eu) Nanoclusters as a Luminescence Sensor of Phosphate Ion |
| title_sort | polyacrylic acid ca eu nanoclusters as a luminescence sensor of phosphate ion |
| topic | nanoclusters Eu<sup>3+</sup> luminescence sensor PO<sub>4</sub><sup>3−</sup> detection charge transfer band |
| url | https://www.mdpi.com/2079-4991/12/14/2398 |
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