Hydroquinone colorimetric sensing based on core–shell structured CoFe2O4@N-GQDs@CeO2 nanocomposites as oxidase mimics

Lei, Xuefang; Li, Yujin; Guo, Peiqing; Qiu, Mingzhu; Meng, Rang; Li, Shaohui; Zhang, Dongxia; Chen, Nali; Zhou, Xibin

doi:10.1039/d4nj00284a

New J. Chem.

2024

DOI: 10.1039/d4nj00284a

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Hydroquinone colorimetric sensing based on core–shell structured CoFe₂O₄@N-GQDs@CeO₂ nanocomposites as oxidase mimics

Xuefang Lei,

Yujin Li,

Peiqing Guo

et al.

Abstract: The core–shell structured CoFe2O4@N-GQDs@CeO2 nanocomposites were successfully synthesized by co-precipitation method, and CeO2 was uniformly dispersed on the shell layer with the help of nitrogen-doped graphene quantum dots (N-GQDs).

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Influence of Catalyst Structural Remodelling on The Performance of NH₃‐SCR Reactions: A Mini Review

Liu,

Lv,

Wang

et al. 2024

ChemCatChem

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With the continuous expansion of industrial activities worldwide, industrial emissions of nitrogen oxides (NOx) pose a serious threat to both ecosystems and human health. Ammonia selective catalytic reduction of NO (NH3‐SCR) technology has emerged as the most effective means to reduce NOx emissions, and the development of catalysts is crucial for the successful implementation of this technology. In gas‐solid multiphase catalytic systems, the performance limitations of conventional catalysts can be effectively overcome by meticulously designing the nanostructures of the catalysts to achieve improved catalytic efficiency. In this review, the unique structural features of core‐shell structures, layered double hydroxide (LDHs), hollow nano spheres and nanotubes, along with their preparation processes, are systematically examined, beginning with the effects of structural changes on catalytic performance. Based on this review, the impact of structural modifications on the catalytic efficiency of the catalysts for the NH3‐SCR reaction and their anti‐poisoning performance were investigated. Ultimately, the influence of catalyst structural changes on the future design of catalysts is anticipated. This provides a robust scientific foundation for the conception of higher performance catalysts, paving the way for technological innovation and advancements in NOx emission reduction practices.

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Influence of Catalyst Structural Remodelling on The Performance of NH₃‐SCR Reactions: A Mini Review

Liu,

Lv,

Wang

et al. 2024

ChemCatChem

View full text Add to dashboard Cite

show abstract

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Hydroquinone colorimetric sensing based on core–shell structured CoFe₂O₄@N-GQDs@CeO₂ nanocomposites as oxidase mimics

Abstract: The core–shell structured CoFe2O4@N-GQDs@CeO2 nanocomposites were successfully synthesized by co-precipitation method, and CeO2 was uniformly dispersed on the shell layer with the help of nitrogen-doped graphene quantum dots (N-GQDs).

Cited by 1 publication

References 51 publications

Influence of Catalyst Structural Remodelling on The Performance of NH₃‐SCR Reactions: A Mini Review

Influence of Catalyst Structural Remodelling on The Performance of NH₃‐SCR Reactions: A Mini Review

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Hydroquinone colorimetric sensing based on core–shell structured CoFe2O4@N-GQDs@CeO2 nanocomposites as oxidase mimics

Abstract: The core–shell structured CoFe2O4@N-GQDs@CeO2 nanocomposites were successfully synthesized by co-precipitation method, and CeO2 was uniformly dispersed on the shell layer with the help of nitrogen-doped graphene quantum dots (N-GQDs).

Cited by 1 publication

References 51 publications

Influence of Catalyst Structural Remodelling on The Performance of NH3‐SCR Reactions: A Mini Review

Influence of Catalyst Structural Remodelling on The Performance of NH3‐SCR Reactions: A Mini Review

Contact Info

Product

Resources

About

Hydroquinone colorimetric sensing based on core–shell structured CoFe₂O₄@N-GQDs@CeO₂ nanocomposites as oxidase mimics

Influence of Catalyst Structural Remodelling on The Performance of NH₃‐SCR Reactions: A Mini Review

Influence of Catalyst Structural Remodelling on The Performance of NH₃‐SCR Reactions: A Mini Review