Resolving a structural issue in cerium-nickel-based oxide: a single compound or a two-phase system?

Kojčinović, Jelena; Tatar, Dalibor; Šarić, Stjepan; Bartus Pravda, Cora; Mavrič, Andraž; Arčon, Iztok; Jagličić, Zvonko; Mellin, Maximilian; Einert, Marcus; Altomare, Angela; Caliandro, Rocco; Kukovecz, Ákos; Hofmann, Jan Philipp; Djerdj, Igor

doi:10.1039/d3dt03280a

Dalton Trans.

2024

DOI: 10.1039/d3dt03280a

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Resolving a structural issue in cerium-nickel-based oxide: a single compound or a two-phase system?

Jelena Kojčinović,

Dalibor Tatar,

Stjepan Šarić

et al.

Abstract: CeNiO3 has been reported in the literature in the last few years as a novel LnNiO3 compound with promising applications in different catalytic fields, but its structure has not been...

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UV Light‐Driven Photocatalytic Performance of CeO₂ and Co Ion‐Doped CeO₂ Nanoparticles: High‐Efficiency Electrochemical and Chromaticity Blue LED Application

Silambarasan,

Perisetti,

Ramesh

et al. 2024

ChemistrySelect

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The study assesses the efficacy of CeO2 nanoparticles synthesised via the hydrothermal method for UV‐induced catalytic activity in decomposing cobalt complexes. Various analyses, including X‐ray diffractometry (XRD), Raman spectroscopy, scanning electron microscopy (SEM), high‐resolution transmission electron microscopy (HR‐TEM), and UV‐Vis spectrophotometry were employed to investigate the impact of cobalt on cerium oxide's morphology, optical, electrochemical, and microstructural characteristics. The XRD analysis revealed a cubic structure in the fluorite‐type pattern, primarily oriented along the (111) direction. Raman spectroscopy supported these findings, identifying an active mode peak at 464 cm−1 and indicating the presence of F2g cubic fluorite. SEM imaging displayed cleavage and uniform, densely packed grains. Elemental analysis confirmed the presence of Ce, O, and Co, corroborated by X‐ray Photoelectron Spectroscopy (XPS) data. Optical measurements indicated a band gap starting at 3.03 eV, which decreased with increasing Co ratio, reaching 2.9 eV at 4 % cobalt incorporation. Furthermore, cyclic voltammetry experiments demonstrated that Co‐doped samples exhibited enhanced ion storage capacity. These comprehensive analyses underscore the potential of Co‐doped CeO2 nanoparticles for UV‐induced catalytic activity, offering valuable insights into their structural and functional properties.

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UV Light‐Driven Photocatalytic Performance of CeO₂ and Co Ion‐Doped CeO₂ Nanoparticles: High‐Efficiency Electrochemical and Chromaticity Blue LED Application

Silambarasan,

Perisetti,

Ramesh

et al. 2024

ChemistrySelect

View full text Add to dashboard Cite

show abstract

Cost-effective synthesis of rGO/CeNiO₃ perovskite nanocomposites for enhanced and stable supercapacitors and oxygen evolution reaction catalysts

Kumaresan,

Palanisamy,

Lee

2024

J. Mater. Chem. C

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Resolving a structural issue in cerium-nickel-based oxide: a single compound or a two-phase system?

Abstract: CeNiO3 has been reported in the literature in the last few years as a novel LnNiO3 compound with promising applications in different catalytic fields, but its structure has not been...

Cited by 2 publications

References 101 publications

UV Light‐Driven Photocatalytic Performance of CeO₂ and Co Ion‐Doped CeO₂ Nanoparticles: High‐Efficiency Electrochemical and Chromaticity Blue LED Application

UV Light‐Driven Photocatalytic Performance of CeO₂ and Co Ion‐Doped CeO₂ Nanoparticles: High‐Efficiency Electrochemical and Chromaticity Blue LED Application

Cost-effective synthesis of rGO/CeNiO₃ perovskite nanocomposites for enhanced and stable supercapacitors and oxygen evolution reaction catalysts

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Resolving a structural issue in cerium-nickel-based oxide: a single compound or a two-phase system?

Abstract: CeNiO3 has been reported in the literature in the last few years as a novel LnNiO3 compound with promising applications in different catalytic fields, but its structure has not been...

Cited by 2 publications

References 101 publications

UV Light‐Driven Photocatalytic Performance of CeO2 and Co Ion‐Doped CeO2 Nanoparticles: High‐Efficiency Electrochemical and Chromaticity Blue LED Application

UV Light‐Driven Photocatalytic Performance of CeO2 and Co Ion‐Doped CeO2 Nanoparticles: High‐Efficiency Electrochemical and Chromaticity Blue LED Application

Cost-effective synthesis of rGO/CeNiO3 perovskite nanocomposites for enhanced and stable supercapacitors and oxygen evolution reaction catalysts

Contact Info

Product

Resources

About

UV Light‐Driven Photocatalytic Performance of CeO₂ and Co Ion‐Doped CeO₂ Nanoparticles: High‐Efficiency Electrochemical and Chromaticity Blue LED Application

UV Light‐Driven Photocatalytic Performance of CeO₂ and Co Ion‐Doped CeO₂ Nanoparticles: High‐Efficiency Electrochemical and Chromaticity Blue LED Application

Cost-effective synthesis of rGO/CeNiO₃ perovskite nanocomposites for enhanced and stable supercapacitors and oxygen evolution reaction catalysts