Enhancement of electrochemical detection of Pb2+ by sensor based on track-etched membranes modified with interpolyelectrolyte complexes

Korolkov, Ilya V.; Zhumanazar, Nurdaulet; Gorin, Yevgeniy G.; Yeszhanov, Arman B.; Здоровец, М. В.

doi:10.1007/s10854-020-04556-4

Cited by 35 publications

(15 citation statements)

References 53 publications

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“…Three separate solutions containing 100 μg L –1 Hg 2+ , Pb 2+ , and Zn 2+ ions in solution at various pHs were utilized for the electrochemical study. The square wave voltammograms showed evident current peak responses for ions in electrolytes with different pHs Figure illustrates the influence of the pH of the electrolyte on the response of the PEDOT/NTA, and this shows that the peak current increases with pH in the range of 2.0–4.5, at which the peak reaches a maximum, and then declines from pH 5.5 to 9.…”

Section: Resultsmentioning

confidence: 84%

“…The square wave voltammograms showed evident current peak responses for ions in electrolytes with different pHs. 58 Figure 8 illustrates the influence of the pH of the electrolyte on the response of the PEDOT/NTA, and this shows that the peak current increases with pH in the range of 2.0−4.5, at which the peak reaches a maximum, and then declines from pH 5.5 to 9. Therefore, pH 4.5 was selected as the optimum pH for the medium for subsequent experimentation.…”

Section: Electrochemical Characterization Of Polymer Films Inmentioning

confidence: 99%

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Voltammetric Determination of Hg²⁺, Zn²⁺, and Pb²⁺Ions Using a PEDOT/NTA-Modified Electrode

et al. 2022

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A novel electrochemical sensor for determining trace levels of Hg 2+ , Pb 2+ , and Zn 2+ ions in water using square wave voltammetry (SWV) is reported. The sensor is based on a platinum electrode (Pt) modified by poly(3,4-ethylenedioxythiophene) and N α , N α -bis-(carboxymethyl)- l -lysine hydrate (NTA lysine) PEDOT/NTA. The modified electrode surface (PEDOT/NTA) was prepared via the introduction of the lysine-NTA group to a PEDOT/N-hydroxyphthalimide NHP electrode. The (PEDOT/NTA) was characterized via cyclic voltammetry (CV), Fourier transform infrared (FTIR) spectroscopy, and scanning electron microscopy (SEM). The effects of scan rates on the electrochemical properties of the polymer electrode were also investigated. The electrochemical results were used to estimate the coverage of the electrode polymer surface and its electrostability in background electrolyte solutions. Several analytical parameters, such as polymer film thickness, metal deposition time, and pH of the electrolyte, were examined. Linear responses to Hg 2+ , Pb 2+ , and Zn 2+ ions in the concentration range of 5–100 μg L –1 were obtained. The limits of detection (LODs) for the determination of Hg 2+ , Pb 2+ , and Zn 2+ ions were 1.73, 2.33, and 1.99 μg L –1 , respectively. These promising results revealed that modified PEDOT/NTA films might well represent an important addition to existing electrochemical sensor technologies.

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Section: Resultsmentioning

confidence: 84%

Section: Electrochemical Characterization Of Polymer Films Inmentioning

confidence: 99%

Voltammetric Determination of Hg²⁺, Zn²⁺, and Pb²⁺Ions Using a PEDOT/NTA-Modified Electrode

et al. 2022

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“…It is possible that this will also raise the coercive electric field (E c ), the applied electric field needed to eliminate the remaining polarization. More densely packed and ordered dipoles in a ferroelectric material mean a stronger reaction to an applied electric field, which is why minimal porosity is preferable, [33][34][35] as will be discussed later.…”

Section: Materials Advances Papermentioning

confidence: 99%

Structural and dielectric characterization of synthesized nano-BSTO/PVDF composites for smart sensor applications

Hussein,

Saafan,

Abosheiasha

et al. 2023

Mater. Adv.

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“…Polymers, hydrogels, biomolecules, and their nanocomposites are perhaps the most widely studied materials class in present days, which show a wide variety of practical applications, including dielectric energy storage, electrode materials for supercapacitors, mechanical energy harvesting, separation membranes, and many others [ 1 , 2 , 3 , 4 , 5 , 6 , 7 , 8 ]. In this regard, poly(vinylidene fluoride) (PVDF) is perhaps the most widely studied material in recent times due to its cost-effectiveness, easy synthesis procedure, and several other unique and suitable functional properties [ 9 , 10 ].…”

Section: Introductionmentioning

confidence: 99%

Two-Dimensional Metal-Organic Framework Incorporated Highly Polar PVDF for Dielectric Energy Storage and Mechanical Energy Harvesting

et al. 2023

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Here, we introduce a 2D metal-organic framework (MOF) into the poly(vinylidene fluoride) (PVDF) matrix, which has been comparatively less explored in this field. Highly 2D Ni-MOF has been synthesized in this regard via hydrothermal route and has been incorporated into PVDF matrix via solvent casting technique with ultralow filler (0.5 wt%) loading. The polar phase percentage of 0.5 wt% Ni-MOF loaded PVDF film (NPVDF) has been found to be increased to ~85% from a value of ~55% for neat PVDF. The ultralow filler loading has inhibited the easy breakdown path along with increased dielectric permittivity and hence has enhanced the energy storage performance. On the other hand, significantly enriched polarity and Young’s Modulus has helped in improving its mechanical energy harvesting performance, thereby enhancing the human motion interactive sensing activities. The piezoelectric and piezo-tribo hybrid devices made up of NPVDF film have shown improved output power density of ~3.26 and 31 μW/cm2 compared to those of the piezoelectric and piezo-tribo hybrid devices comprising of neat PVDF (output power density ~0.6 and 17 μW/cm2, respectively). The developed composite can thus be considered an excellent candidate for multifunctional applications.

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Enhancement of electrochemical detection of Pb2+ by sensor based on track-etched membranes modified with interpolyelectrolyte complexes

Cited by 35 publications

References 53 publications

Voltammetric Determination of Hg²⁺, Zn²⁺, and Pb²⁺Ions Using a PEDOT/NTA-Modified Electrode

Voltammetric Determination of Hg²⁺, Zn²⁺, and Pb²⁺Ions Using a PEDOT/NTA-Modified Electrode

Structural and dielectric characterization of synthesized nano-BSTO/PVDF composites for smart sensor applications

Two-Dimensional Metal-Organic Framework Incorporated Highly Polar PVDF for Dielectric Energy Storage and Mechanical Energy Harvesting

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Enhancement of electrochemical detection of Pb2+ by sensor based on track-etched membranes modified with interpolyelectrolyte complexes

Cited by 35 publications

References 53 publications

Voltammetric Determination of Hg2+, Zn2+, and Pb2+Ions Using a PEDOT/NTA-Modified Electrode

Voltammetric Determination of Hg2+, Zn2+, and Pb2+Ions Using a PEDOT/NTA-Modified Electrode

Structural and dielectric characterization of synthesized nano-BSTO/PVDF composites for smart sensor applications

Two-Dimensional Metal-Organic Framework Incorporated Highly Polar PVDF for Dielectric Energy Storage and Mechanical Energy Harvesting

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Voltammetric Determination of Hg²⁺, Zn²⁺, and Pb²⁺Ions Using a PEDOT/NTA-Modified Electrode

Voltammetric Determination of Hg²⁺, Zn²⁺, and Pb²⁺Ions Using a PEDOT/NTA-Modified Electrode