Evaluation of structural, morphological and optical properties of CdO nanostructures

Prakash, T.; Kumar, Е. Ranjith; Neri, G.; Bawazeer, Tahani M.; Alkhamis, Kholood; Munshi, Alaa M.; Alharthi, Salman S.; El‐Metwaly, Nashwa M.

doi:10.1016/j.ceramint.2021.09.207

Cited by 8 publications

(2 citation statements)

References 32 publications

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“…According to their XPS spectra, there exists a few oxidation products such as Co 3 O 4 and CdO in VCC. However, previous studies demonstrated that these two oxides are particularly poor in HER due to the lack of suitable energy band position or conductivity, 76,77 suggesting that the existence of these oxides cannot affect the catalyst activity of the whole VCC system.…”

Section: Aqe (%)mentioning

confidence: 99%

Ultrafast Charge Separation in Ternary V₂O₅/CdS/CoS₂ Z-Scheme Heterojunction Enables Efficient Visible-Light-Driven Hydrogen Generation

et al. 2022

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Z-scheme heterojunction has been considered as one of the most promising light harvesting and charge separation materials for photocatalytic water splitting. However, a significant gap exists in the direct correlation of their heterostructure with photophysical and photocatalytic properties, preventing accurate prediction and informed design for further developing such photocatalysts for water splitting. To address this limitation, herein we report the synthesis and fundamental mechanistic studies of a newly designed Z-scheme ternary photocatalyst, V2O5/CdS/CoS2 (VCC). We show that this VCC heterostructure exhibits an excellent photocatalytic hydrogen evolution rate and stability, which are much better than those of a CdS/3% Pt heterostructure measured under the same conditions. More interestingly, using the combination of steady state emission spectroscopy, transient absorption spectroscopy, photocurrent density measurement, etc., we found that ultrafast hole transfer from CdS to V2O5 and electron transfer from CdS to CoS2 lead to efficient charge separation, which are responsible for the exceptional photocatalytic performance of VCC. This work not only provides a new strategy to construct a Z-scheme heterostructure with significantly improved performance and stability for hydrogen evolution reaction but also unravels the structure–property–function relationship in such a Z-scheme ternary structure, providing important insight on further developing robust and efficient photocatalysts for visible-light-driven water splitting.

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Section: Aqe (%)mentioning

confidence: 99%

Ultrafast Charge Separation in Ternary V₂O₅/CdS/CoS₂ Z-Scheme Heterojunction Enables Efficient Visible-Light-Driven Hydrogen Generation

et al. 2022

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“…Metallic oxide nanoparticles have potential uses in sensing, electrical device development, as well as biomedical activities. Scientists have expressed a desire to select materials that are acceptable for the intended purposes [7]. Because of its good biocompatibility, manganese dioxide (MnO 2 ) has sparked the attention of nanotechnology research groups [8].…”

Section: Introductionmentioning

confidence: 99%

Effects of inorganic MnO2 and ZnO nanofillers on the structural investigations and dielectric behaviour of PVA polymeric materials

Alotaibi¹,

Alyousef²,

Atta³

et al. 2023

JOR

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Different contents of manganese oxide (MnO2) and zinc oxide (ZnO) were combined with polyvinyl alcohol (PVA) to form flexi MnO2/PVA as well as ZnO/PVA nanocomposite films. XRD as well SEM methodologies are used to evaluate the properties of the fabricated films. The XRD analysis demonstrates that MnO2/PVA as well as ZnO/PVA composites were effectively fabricated. The SEM pictures show that MnO2 and ZnO are uniformly dispersed throughout the PVA polymeric chains. Furthermore, the electrical conductivities, dielectric permittivity, electric moduli behaviors, as well as dielectric impedances of PVA, MnO2/PVA, ZnO/PVA films were recorded using LCR method in frequencies 102 to 106 Hz. At 105 Hz, the dielectric enhanced from 2.05 for PVA to 5.5 on PVA/5%ZnO and 4.15 for PVA/10%MnO2, while the conductivities increase from 1.05x10-7 S/cm for PVA to 4.01x10-7 S/cm for PVA/5%ZnO and to 5.4x10-7 S/cm for PVA/10%MnO2. The current work pave the way to using of ZnO/PVA and MnO2/PVA flexi nanocomposite films in a different uses including battery, super-capacitors, as well as storage devices.

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I–V study of PANI and CdO nano-composite mixture for low-voltage varistors

Panesar,

Kumar,

Srivastava

2024

J Mater Sci: Mater Electron

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Evaluation of structural, morphological and optical properties of CdO nanostructures

Cited by 8 publications

References 32 publications

Ultrafast Charge Separation in Ternary V₂O₅/CdS/CoS₂ Z-Scheme Heterojunction Enables Efficient Visible-Light-Driven Hydrogen Generation

Ultrafast Charge Separation in Ternary V₂O₅/CdS/CoS₂ Z-Scheme Heterojunction Enables Efficient Visible-Light-Driven Hydrogen Generation

Effects of inorganic MnO2 and ZnO nanofillers on the structural investigations and dielectric behaviour of PVA polymeric materials

I–V study of PANI and CdO nano-composite mixture for low-voltage varistors

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Evaluation of structural, morphological and optical properties of CdO nanostructures

Cited by 8 publications

References 32 publications

Ultrafast Charge Separation in Ternary V2O5/CdS/CoS2 Z-Scheme Heterojunction Enables Efficient Visible-Light-Driven Hydrogen Generation

Ultrafast Charge Separation in Ternary V2O5/CdS/CoS2 Z-Scheme Heterojunction Enables Efficient Visible-Light-Driven Hydrogen Generation

Effects of inorganic MnO2 and ZnO nanofillers on the structural investigations and dielectric behaviour of PVA polymeric materials

I–V study of PANI and CdO nano-composite mixture for low-voltage varistors

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Product

Resources

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Ultrafast Charge Separation in Ternary V₂O₅/CdS/CoS₂ Z-Scheme Heterojunction Enables Efficient Visible-Light-Driven Hydrogen Generation

Ultrafast Charge Separation in Ternary V₂O₅/CdS/CoS₂ Z-Scheme Heterojunction Enables Efficient Visible-Light-Driven Hydrogen Generation