Mixed oxides CuO-NiO fabricated for selective detection of 2-Aminophenol by electrochemical approach

Zeid, E. F. Abo; Nassar, A. M.; Hussein, Mahmoud A.; Alam, M. M.; Asiri, Abdullah M.; Hegazy, H.H.; Rahman, Mohammed M.

doi:10.1016/j.jmrt.2019.11.071

Cited by 53 publications

(15 citation statements)

References 64 publications

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“…33 The diffraction spectra confirm the presence of CuO−NiO bimetallic oxides, and the results are in good agreement with the reported literature. 34 The diffraction pattern of CuO− NiO/CA−PANI (Figure 1C) was similar to the diffraction spectra of CuO−NiO nanoparticles (Figure 1C), PANI and CA (Figure 1B).…”

Section: ■ Experimental Sectionsupporting

confidence: 67%

“…The XRD pattern of the CuO–NiO nanocomposite (Figure C) shows peaks at 32.2, 35.2, 38.4, 48.7, 53.1, 58.4, 61.4, 66.4, and 72.5°, with diffraction peaks for CuO nanoparticles indexed as (110), (111̅), (111), (202̅), (020), (202), (113̅), (3̅11), and (200), respectively, while peaks at 36, 41.5, 61.2, and 74.5° show NiO nanoparticles’ diffraction and were indexed as (111), (200), (220), and (311), respectively . The diffraction spectra confirm the presence of CuO–NiO bimetallic oxides, and the results are in good agreement with the reported literature . The diffraction pattern of CuO–NiO/CA–PANI (Figure C) was similar to the diffraction spectra of CuO–NiO nanoparticles (Figure C), PANI and CA (Figure B).…”

Section: Resultsmentioning

confidence: 99%

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Fabrication of CuO–NiO Wrapped Cellulose Acetate/Polyaniline Electrospun Nanofibers for Sensitive Monitoring of Bisphenol-A

Shoukat

Anzar

Asad

et al. 2023

ACS Sustainable Chem. Eng.

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Monitoring endocrine-disrupting chemicals such as bisphenol-A (BPA) is of great concern because its exposure may lead to reproductive problems, neurotoxicity, mutagenicity, and even carcinogenicity. Herein, we reported the fabrication of an efficient electrochemical sensor based on CuO–NiO wrapped cellulose acetate/polyaniline electrospun nanofibers at a Ni foam (CuO–NiO/CA–PANI@NF) electrode for the sensitive and selective monitoring of BPA. CA–PANI-based electrospun nanofibers were selected because of their improved electrical conductivity and charge density, high binding affinity toward BPA via alternative amine and imine groups, and low cost, thus paving the way for the smooth and uniform flow of ions. However, CuO–NiO-based nanoparticles offer more exposed catalytic active species such as NiOOH/CuOOH for the fast electrocatalytic oxidation of BPA. Thus, the synergistic effect of CuO–NiO nanoparticles with electrospun nanofibers leads to high sensitivity (0.00172 μA/nM/cm2) with a low limit of detection (0.6 nM), a wide linear range (2–100 nM), and high selectivity, even in the presence of interferences, including Co2+, Cd2+, Na+ Pb2+, Ni2+, Cd2+, Ca2+, Fe3+, NO3 2–, SO4 2–, Cr6+, Br–, Mg2+, Zn2+, and Ba2+ and molecules such as bisphenol-B, bisphenol-F, and phenol. The designed electrode was successfully applied to monitor BPA from plastic bottled water with high precision, thus suggesting the reliability of our designed system.

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Section: ■ Experimental Sectionsupporting

confidence: 67%

Section: Resultsmentioning

confidence: 99%

Fabrication of CuO–NiO Wrapped Cellulose Acetate/Polyaniline Electrospun Nanofibers for Sensitive Monitoring of Bisphenol-A

Shoukat

Anzar

Asad

et al. 2023

ACS Sustainable Chem. Eng.

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“…As shown in Figure a, all samples of Mo x –Ni 0.8 Cu 0.2 O display two peaks centered at 3420 and 1625 cm –1 , which are indexed to the v s (O–H) and v as (O–H) vibrations and δ(H–O–H) vibrations of physically adsorbed water, respectively. For Ni 0.8 Cu 0.2 O, only resolved shoulders appeared at about 611 and 471 cm –1 , which can be attributed to the vibrations of Ni–O and Cu–O bonds, respectively . It is worth noting that two other peaks at about 813 and 937 cm –1 were observed among those Mo x –Ni 0.8 Cu 0.2 O samples, which are indexed to the vibration of MoO 3 .…”

Section: Resultsmentioning

confidence: 88%

Modulating the Acidic Properties of Mesoporous Mo_x–Ni_0.8Cu_0.2O Nanowires for Enhanced Catalytic Performance toward the Methanolysis of Ammonia Borane for Hydrogen Production

Feng

Zhang

Shao

et al. 2022

ACS Appl. Mater. Interfaces

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Rational construction of inexpensive, highly efficient, and stable catalysts for ammonia borane (AB) methanolysis is in high demand but still remains a great challenge. In this work, we have successfully fabricated uniform Mo x −Ni 0.8 Cu 0.2 O nanowires using a simple hydrothermal method followed by a post-calcination treatment and flexibly modulated the acidity of their surface by changing the amount of Mo introduced into Ni 0.8 Cu 0.2 O. The Mo 0.1 −Ni 0.8 Cu 0.2 O catalyst displayed strong catalytic activity toward AB methanolysis with an ultrahigh turnover frequency of 46.9 mol H 2 mol cat.−1 min −1 , which is even higher than some noble metal catalysts. In this work, an equation regarding the relationship between the quantity of moderated acid sites of catalysts and its corresponding activity toward AB methanolysis was first determined. A plausible mechanism for AB methanolysis catalyzed by Mo x − Ni 0.8 Cu 0.2 O was proposed, and the benefits of the introduction of MoO 3 to Ni 0.8 Cu 0.2 O for enhancing the catalytic performance were also discussed. These findings can form a basis for the rational construction of inexpensive catalysts with robust performance toward AB methanolysis for hydrogen production.

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“…In addition to the aforementioned three most-seen major compounds, other compounds, such as Fe 2 O 3 and SnO 2 , are also used as the electrocatalysts for the electro-oxidation of glucose. Moreover, some of the studies integrated various metallic oxides, such as the CuO-NiO compound [296] and the Co 3 O 4 -NiCo 2 O 4 [297] compound, which are used for further enhancing the performance of the electrodes for the electro-oxidation of glucose.…”

Section: Electroactive Materials Of Oxide Compoundsmentioning

confidence: 99%

Developments of the Electroactive Materials for Non-Enzymatic Glucose Sensing and Their Mechanisms

et al. 2021

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A comprehensive review of the electroactive materials for non-enzymatic glucose sensing and sensing devices has been performed in this work. A general introduction for glucose sensing, a facile electrochemical technique for glucose detection, and explanations of fundamental mechanisms for the electro-oxidation of glucose via the electrochemical technique are conducted. The glucose sensing materials are classified into five major systems: (1) mono-metallic materials, (2) bi-metallic materials, (3) metallic-oxide compounds, (4) metallic-hydroxide materials, and (5) metal-metal derivatives. The performances of various systems within this decade have been compared and explained in terms of sensitivity, linear regime, the limit of detection (LOD), and detection potentials. Some promising materials and practicable methodologies for the further developments of glucose sensors have been proposed. Firstly, the atomic deposition of alloys is expected to enhance the selectivity, which is considered to be lacking in non-enzymatic glucose sensing. Secondly, by using the modification of the hydrophilicity of the metallic-oxides, a promoted current response from the electro-oxidation of glucose is expected. Lastly, by taking the advantage of the redistribution phenomenon of the oxide particles, the usage of the noble metals is foreseen to be reduced.

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Mixed oxides CuO-NiO fabricated for selective detection of 2-Aminophenol by electrochemical approach

Cited by 53 publications

References 64 publications

Fabrication of CuO–NiO Wrapped Cellulose Acetate/Polyaniline Electrospun Nanofibers for Sensitive Monitoring of Bisphenol-A

Fabrication of CuO–NiO Wrapped Cellulose Acetate/Polyaniline Electrospun Nanofibers for Sensitive Monitoring of Bisphenol-A

Modulating the Acidic Properties of Mesoporous Mo_x–Ni_0.8Cu_0.2O Nanowires for Enhanced Catalytic Performance toward the Methanolysis of Ammonia Borane for Hydrogen Production

Developments of the Electroactive Materials for Non-Enzymatic Glucose Sensing and Their Mechanisms

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Mixed oxides CuO-NiO fabricated for selective detection of 2-Aminophenol by electrochemical approach

Cited by 53 publications

References 64 publications

Fabrication of CuO–NiO Wrapped Cellulose Acetate/Polyaniline Electrospun Nanofibers for Sensitive Monitoring of Bisphenol-A

Fabrication of CuO–NiO Wrapped Cellulose Acetate/Polyaniline Electrospun Nanofibers for Sensitive Monitoring of Bisphenol-A

Modulating the Acidic Properties of Mesoporous Mox–Ni0.8Cu0.2O Nanowires for Enhanced Catalytic Performance toward the Methanolysis of Ammonia Borane for Hydrogen Production

Developments of the Electroactive Materials for Non-Enzymatic Glucose Sensing and Their Mechanisms

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Product

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Modulating the Acidic Properties of Mesoporous Mo_x–Ni_0.8Cu_0.2O Nanowires for Enhanced Catalytic Performance toward the Methanolysis of Ammonia Borane for Hydrogen Production