Comparative study on structural, morphological, optical and photocatalytic properties of Mn3O4/ZnO, CuO/ZnO and Fe2O3/ZnO nanocomposites

Mohamed, Mansour; Jayiz, Mohamed; Alshammari, Abdullah S.; Sedky, A.; Khan, Ziaul Raza

doi:10.1007/s11082-023-04858-x

Cited by 17 publications

(2 citation statements)

References 33 publications

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“…It is also possible to see areas occupied only by copper, which is evidence of phase separation. Similar characteristics can be seen for the materials obtained by the team of Mohamed M et al (Mohamed et al 2023), who prepared Mn 3 O 4 /ZnO and CuO/ZnO-containing materials from chloride precursors by co-precipitation using a hydrothermal process.…”

Section: Materials Structural Analysissupporting

confidence: 80%

Multioxide nanomaterials Zn, Cu, Mn: Combining nanozyme and photocatalyst functions for environmental applications

Matysik,

Długosz,

Banach

2024

Preprint

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The study analyses nanotechnology advances in the synthesis of catalytic nanozymes that mimic enzymatic properties, but are also inorganic nanomaterials. It compares Zn-Mn-Cu multioxide and Mn-Cu multioxide nanomaterials in the role of nanozymes and photocatalysts, in the decomposition of trypan blue dye. The study showed that Zn-Mn-Cu multioxide nanoxide has activity as a peroxidase-like nanozyme (100 mUnit/mL) and achieves 75% dye degradation as a photocatalyst under UV light. While Mn-Cu multioxide shows enhanced photocatalysis under visible light (45% degradation), consistent with its biocatalytic hydrolysis mechanism. In addition, both materials showed biocatalytic activity in the degradation of trypan blue dye (25%), without an additional light source. Further investigation of these dual nanozyme activities may reveal new solutions for their environmental use.

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Section: Materials Structural Analysissupporting

confidence: 80%

Multioxide nanomaterials Zn, Cu, Mn: Combining nanozyme and photocatalyst functions for environmental applications

Matysik,

Długosz,

Banach

2024

Preprint

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“…Nanostructured oxide semiconductor materials exhibit superior and unique physical properties due to their large surface-area-to-volume ratio and quantum confinement effects [11][12][13]. As a result of their outstanding device performance, one-dimensional photodetectors made of ZnO wide bandgap nano oxide semiconductor materials have attracted much research [14][15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Preparation of ZnO Nanosheet Array and Research on ZnO/PANI/ZnO Ultraviolet Photodetector

Zhang,

Feng,

et al. 2023

Polymers

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High-performance ultraviolet photodetectors have important scientific research significance and practical application value, which has been the focus of researchers. In this work, we have constructed a highly photosensitive UV photodetector with a unique “sandwich” structure, which was mainly composed of two layers of ZnO nanosheet arrays and one layer of polyaniline (PANI). The results showed that the UV current of ZnO/PANI devices was 100 times higher than that of pure ZnO devices under the same UV irradiation time. At a 365 nm wavelength, the device had excellent photocurrent responsiveness and photoconductivity. This high performance was attributed to the large specific surface area of ZnO nanosheets and the p-n junction formed between P-type PANI nano-porous film and N-type ZnO nanosheets. This provides a solid theoretical basis for the application of ZnO nanosheets in ultraviolet detection, and possesses significance for the development of ultraviolet photodetectors.

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Oxygen vacancy-enriched CoPi/TiO2 nanotubes/WO3 electrode for enhanced photoelectrochemical water oxidation

Yu,

Sun,

Fang

et al. 2024

J Mater Sci: Mater Electron

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Comparative study on structural, morphological, optical and photocatalytic properties of Mn3O4/ZnO, CuO/ZnO and Fe2O3/ZnO nanocomposites

Cited by 17 publications

References 33 publications

Multioxide nanomaterials Zn, Cu, Mn: Combining nanozyme and photocatalyst functions for environmental applications

Multioxide nanomaterials Zn, Cu, Mn: Combining nanozyme and photocatalyst functions for environmental applications

Preparation of ZnO Nanosheet Array and Research on ZnO/PANI/ZnO Ultraviolet Photodetector

Oxygen vacancy-enriched CoPi/TiO2 nanotubes/WO3 electrode for enhanced photoelectrochemical water oxidation

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