Potentiometric Chemical Sensors Based on Metal Halide Doped Chalcogenide Glasses for Sodium Detection
Chalcogenide glasses are widely used as sensitive membranes in the chemical sensors for heavy metal ions detection. The lack of research work on sodium ion-selective electrodes (Na<sup>+</sup>-ISEs) based on chalcogenide glasses is due to the high hygroscopicity of alkali dopes chalcogen...
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MDPI AG
2022-12-01
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| Series: | Sensors |
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| Online Access: | https://www.mdpi.com/1424-8220/22/24/9986 |
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| author | Maria Bokova Steven Dumortier Christophe Poupin Renaud Cousin Mohammad Kassem Eugene Bychkov |
| author_facet | Maria Bokova Steven Dumortier Christophe Poupin Renaud Cousin Mohammad Kassem Eugene Bychkov |
| author_sort | Maria Bokova |
| collection | DOAJ |
| description | Chalcogenide glasses are widely used as sensitive membranes in the chemical sensors for heavy metal ions detection. The lack of research work on sodium ion-selective electrodes (Na<sup>+</sup>-ISEs) based on chalcogenide glasses is due to the high hygroscopicity of alkali dopes chalcogenides. However, sodium halide doped Ga<sub>2</sub>S<sub>3</sub>-GeS<sub>2</sub> glasses are more chemically stable in water and could be used as Na<sup>+</sup>-sensitive membranes for the ISEs. In this work we have studied the physico-chemical properties of mixed cation (AgI)<i><sub>x</sub></i>(NaI)<sub>30-<i>x</i></sub>(Ga<sub>2</sub>S<sub>3</sub>)<sub>26</sub>(GeS<sub>2</sub>)<sub>44</sub> chalcogenide glasses (where <i>x</i> = 0, 7.5, 15, 22.5 and 30 mol.% AgI) using density, DSC, and conductivity measurements. The mixed cation effect with shallow conductivity and glass transition temperature minimum was found for silver fraction r = Ag/(Na + Ag) ≈ 0.5. Silver addition decreases the moisture resistance of the glasses. Only (AgI)<sub>22.5</sub>(NaI)<sub>7.5</sub>(Ga<sub>2</sub>S<sub>3</sub>)<sub>26</sub>(GeS<sub>2</sub>)<sub>44</sub> composition was suitable for chemical sensors application, contrary to the single cation sodium halide doped Ga<sub>2</sub>S<sub>3</sub>-GeS<sub>2</sub> glasses, where 15 mol.% sodium-halide-containing vitreous alloys are stable in water solutions. The analytical parameters of (NaCl)<sub>15</sub>(Ga<sub>2</sub>S<sub>3</sub>)<sub>23</sub>(GeS<sub>2</sub>)<sub>62</sub>; (NaI)<sub>15</sub>(Ga<sub>2</sub>S<sub>3</sub>)<sub>23</sub>(GeS<sub>2</sub>)<sub>62</sub> and (AgI)<sub>22.5</sub>(NaI)<sub>7.5</sub>(Ga<sub>2</sub>S<sub>3</sub>)<sub>26</sub>(GeS<sub>2</sub>)<sub>44</sub> glass compositions as active membranes in Na<sup>+</sup>-ISEs were investigated, including detection limit, sensitivity, linearity, ionic selectivity (in the presence of K<sup>+</sup>, Mg<sup>2+</sup>, Ca<sup>2+</sup>, Ba<sup>2+</sup>, and Zn<sup>2+</sup> interfering cations), reproducibility and optimal pH-range. |
| first_indexed | 2024-03-09T15:51:16Z |
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| language | English |
| last_indexed | 2024-03-09T15:51:16Z |
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| spelling | doaj.art-22546c493a12430bb1607d279beb733d2023-11-24T17:58:39ZengMDPI AGSensors1424-82202022-12-012224998610.3390/s22249986Potentiometric Chemical Sensors Based on Metal Halide Doped Chalcogenide Glasses for Sodium DetectionMaria Bokova0Steven Dumortier1Christophe Poupin2Renaud Cousin3Mohammad Kassem4Eugene Bychkov5Laboratoire de Phisico-Chimie de l’Atmosphère (LPCA), Université du Littoral Côte d’Opale (ULCO), EA 4493, 59140 Dunkerque, FranceLaboratoire de Phisico-Chimie de l’Atmosphère (LPCA), Université du Littoral Côte d’Opale (ULCO), EA 4493, 59140 Dunkerque, FranceUnité de Chimie Environnementale et Interactions sur le Vivant (UCEIV), Université du Littoral Côte d’Opale (ULCO), UR 4492, SFR Condorcet FR CNRS 3417, 59140 Dunkerque, FranceUnité de Chimie Environnementale et Interactions sur le Vivant (UCEIV), Université du Littoral Côte d’Opale (ULCO), UR 4492, SFR Condorcet FR CNRS 3417, 59140 Dunkerque, FranceLaboratoire de Phisico-Chimie de l’Atmosphère (LPCA), Université du Littoral Côte d’Opale (ULCO), EA 4493, 59140 Dunkerque, FranceLaboratoire de Phisico-Chimie de l’Atmosphère (LPCA), Université du Littoral Côte d’Opale (ULCO), EA 4493, 59140 Dunkerque, FranceChalcogenide glasses are widely used as sensitive membranes in the chemical sensors for heavy metal ions detection. The lack of research work on sodium ion-selective electrodes (Na<sup>+</sup>-ISEs) based on chalcogenide glasses is due to the high hygroscopicity of alkali dopes chalcogenides. However, sodium halide doped Ga<sub>2</sub>S<sub>3</sub>-GeS<sub>2</sub> glasses are more chemically stable in water and could be used as Na<sup>+</sup>-sensitive membranes for the ISEs. In this work we have studied the physico-chemical properties of mixed cation (AgI)<i><sub>x</sub></i>(NaI)<sub>30-<i>x</i></sub>(Ga<sub>2</sub>S<sub>3</sub>)<sub>26</sub>(GeS<sub>2</sub>)<sub>44</sub> chalcogenide glasses (where <i>x</i> = 0, 7.5, 15, 22.5 and 30 mol.% AgI) using density, DSC, and conductivity measurements. The mixed cation effect with shallow conductivity and glass transition temperature minimum was found for silver fraction r = Ag/(Na + Ag) ≈ 0.5. Silver addition decreases the moisture resistance of the glasses. Only (AgI)<sub>22.5</sub>(NaI)<sub>7.5</sub>(Ga<sub>2</sub>S<sub>3</sub>)<sub>26</sub>(GeS<sub>2</sub>)<sub>44</sub> composition was suitable for chemical sensors application, contrary to the single cation sodium halide doped Ga<sub>2</sub>S<sub>3</sub>-GeS<sub>2</sub> glasses, where 15 mol.% sodium-halide-containing vitreous alloys are stable in water solutions. The analytical parameters of (NaCl)<sub>15</sub>(Ga<sub>2</sub>S<sub>3</sub>)<sub>23</sub>(GeS<sub>2</sub>)<sub>62</sub>; (NaI)<sub>15</sub>(Ga<sub>2</sub>S<sub>3</sub>)<sub>23</sub>(GeS<sub>2</sub>)<sub>62</sub> and (AgI)<sub>22.5</sub>(NaI)<sub>7.5</sub>(Ga<sub>2</sub>S<sub>3</sub>)<sub>26</sub>(GeS<sub>2</sub>)<sub>44</sub> glass compositions as active membranes in Na<sup>+</sup>-ISEs were investigated, including detection limit, sensitivity, linearity, ionic selectivity (in the presence of K<sup>+</sup>, Mg<sup>2+</sup>, Ca<sup>2+</sup>, Ba<sup>2+</sup>, and Zn<sup>2+</sup> interfering cations), reproducibility and optimal pH-range.https://www.mdpi.com/1424-8220/22/24/9986chalcogenide glasseschemical sensorsmixed cationsconductivitysodium detection |
| spellingShingle | Maria Bokova Steven Dumortier Christophe Poupin Renaud Cousin Mohammad Kassem Eugene Bychkov Potentiometric Chemical Sensors Based on Metal Halide Doped Chalcogenide Glasses for Sodium Detection Sensors chalcogenide glasses chemical sensors mixed cations conductivity sodium detection |
| title | Potentiometric Chemical Sensors Based on Metal Halide Doped Chalcogenide Glasses for Sodium Detection |
| title_full | Potentiometric Chemical Sensors Based on Metal Halide Doped Chalcogenide Glasses for Sodium Detection |
| title_fullStr | Potentiometric Chemical Sensors Based on Metal Halide Doped Chalcogenide Glasses for Sodium Detection |
| title_full_unstemmed | Potentiometric Chemical Sensors Based on Metal Halide Doped Chalcogenide Glasses for Sodium Detection |
| title_short | Potentiometric Chemical Sensors Based on Metal Halide Doped Chalcogenide Glasses for Sodium Detection |
| title_sort | potentiometric chemical sensors based on metal halide doped chalcogenide glasses for sodium detection |
| topic | chalcogenide glasses chemical sensors mixed cations conductivity sodium detection |
| url | https://www.mdpi.com/1424-8220/22/24/9986 |
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