Facile synthesis of NiFe2O4-based nanoblocks for low-temperature detection of trace n-butanol

Qian, Xiujuan; Chen, Yanping; Tao, Yuye; Zhang, Jian; Zhang, Guangfeng; Xu, Haoyang

doi:10.1039/d3ra07264a

RSC Adv.

2024

DOI: 10.1039/d3ra07264a

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Facile synthesis of NiFe₂O₄-based nanoblocks for low-temperature detection of trace n-butanol

Xiujuan Qian,

Yanping Chen,

Yuye Tao

et al.

Abstract: Sensors based on Ni/Fe-2 exhibit excellent performance in detecting n-butanol gas. The enhanced gas sensing performance can be attributed to the rough surface, formation of heterojunctions, and augmentation of oxygen vacancy content.

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Cited by 3 publications

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Room temperature n-butanol detection by Ag-modified In2O3 gas sensor with UV excitation

Meng,

Li,

Zhang

et al. 2024

Ceramics International

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Room temperature n-butanol detection by Ag-modified In2O3 gas sensor with UV excitation

Meng,

Li,

Zhang

et al. 2024

Ceramics International

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CoFe2O4 nanoparticles encapsulated in rGO by the facile impregnation method as an efficient bifunctional electrocatalyst for alkaline water splitting

Cao,

Li,

Guan

et al. 2024

International Journal of Hydrogen Energy

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Nonaqueous Synthesis of Pd/PdO-Functionalized NiFe2O4 Nanoparticles Enabled Enhancing n-Butanol Detection

Wu,

Chen

2024

Nanomaterials

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The efficient detection of n-butanol, which is in demand for highly sensitive materials, is essential for multiple applications. A nonaqueous method was applied to prepare NiFe2O4 nanoparticles (NPs) using benzyl alcohol as a solvent, which shows a size of 7.9 ± 1.6 nm and a large surface area of 82.23 m2/g. To further improve the sensing performance for n-butanol, Pd/PdO functionalization was sensitized with NiFe2O4 NPs. Gas sensing results demonstrate that the Pd/PdO-NiFe2O4 exhibits an enhanced response of 36.9 to 300 ppm n-butanol and a fast response and recovery time (18.2/17.6 s) at 260 °C. Furthermore, the Pd/PdO-NiFe2O4-based sensor possesses a good linear relationship between responses and the n-butanol concentration from 1 to 1000 ppm, and great selectivity against other volatile organic compounds (VOCs). The excellent sensing enhancement is attributed to the catalytic effects of Pd/PdO, the increase of oxygen vacancies, and the formation of heterojunction between PdO and NiFe2O4. Thus, this study offers an effective route for the synthesis of Pd/PdO-functionalized NiFe2O4 NPs to achieve n-butanol detection with excellent sensing performance.

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Facile synthesis of NiFe₂O₄-based nanoblocks for low-temperature detection of trace n-butanol

Abstract: Sensors based on Ni/Fe-2 exhibit excellent performance in detecting n-butanol gas. The enhanced gas sensing performance can be attributed to the rough surface, formation of heterojunctions, and augmentation of oxygen vacancy content.

Cited by 3 publications

References 45 publications

Room temperature n-butanol detection by Ag-modified In2O3 gas sensor with UV excitation

Room temperature n-butanol detection by Ag-modified In2O3 gas sensor with UV excitation

CoFe2O4 nanoparticles encapsulated in rGO by the facile impregnation method as an efficient bifunctional electrocatalyst for alkaline water splitting

Nonaqueous Synthesis of Pd/PdO-Functionalized NiFe2O4 Nanoparticles Enabled Enhancing n-Butanol Detection

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