Role of Er doping on isoamyl alcohol sensing performance of LaFeO<sub>3</sub> microspheres and its prospects in wheat mildew detection

Xu, Kaichun; Han, Mengjie; Zheng, Zichen; Xu, Jinyong; Debliquy, Marc; Zhang, Chao

doi:10.1039/d3ta05718f

J. Mater. Chem. A

2023

DOI: 10.1039/d3ta05718f

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Role of Er doping on isoamyl alcohol sensing performance of LaFeO₃ microspheres and its prospects in wheat mildew detection

Kaichun Xu,

Mengjie Han,

Zichen Zheng

et al.

Abstract: Er–LaFeO3 microspheres with high sensitivity and superior selectivity for isoamyl alcohol.

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2024

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Cited by 3 publications

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Electrospun LaFe1+XO3 nanotubes for enhancing gas sensing to n-butanol

Zou,

Wang,

Wan

et al. 2024

Journal of the Taiwan Institute of Chemical Engineers

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Electrospun LaFe1+XO3 nanotubes for enhancing gas sensing to n-butanol

Zou,

Wang,

Wan

et al. 2024

Journal of the Taiwan Institute of Chemical Engineers

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Highly Sensitive LaFeO₃-Based Sensor for Efficient Isoamyl Alcohol Detection

Han,

Xu,

Liao

et al. 2024

IEEE Sensors J.

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Well-designed g-C ₃N ₄ nanosheet incorporated Ag loaded Er _0.05La _0.95FeO ₃ heterojunctions for isoamyl alcohol detection

Xu,

Han,

Zheng

et al. 2024

Journal of Advanced Ceramics

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Considering that the volatile content of isoamyl alcohol will increase sharply on the seventh day during wheat mildew, isoamyl alcohol can be determined as an early biomarker of wheat mildew. J u s t A c c e p t e d 2Currently, there are only few sensors reported for isoamyl alcohol detection, which still suffer from low sensitivity and poor moisture resistance. Herein, the sensitivity of 5 at% Er@LaFeO3 (ELFO) for isoamyl alcohol was enhanced by loading Ag nanoparticles on the surface of the ELFO microspheres while the optimal operating temperature was reduced. The moisture resistance of Ag/ELFO was improved by the incorporation of g-C3N4 nanosheets (NSs) on the surface of Ag/ELFO through electrostatic self-assembly. Given the requirement of practical application in grain granaries, the sensing behavior of g-C3N4 NSs incorporated Ag/ELFO-based sensor at 20% RH was systematically studied, which demonstrated excellent repeatability, long-term stability, and superior selectivity (791 at 50 ppm) for isoamyl alcohol with a low limit of detection (LOD = 75 ppb). Furthermore, the practical results of wheat at different mildew stages further confirmed the application potential of the g-C3N4/Ag/ELFO-based sensor in monitoring the early mildew stage of wheat. This work may offer guidance for enhancing the moisture resistance of gas-sensitive materials through the strategy of employing composite nanomaterials.

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Role of Er doping on isoamyl alcohol sensing performance of LaFeO₃ microspheres and its prospects in wheat mildew detection

Abstract: Er–LaFeO3 microspheres with high sensitivity and superior selectivity for isoamyl alcohol.

Cited by 3 publications

References 51 publications

Electrospun LaFe1+XO3 nanotubes for enhancing gas sensing to n-butanol

Electrospun LaFe1+XO3 nanotubes for enhancing gas sensing to n-butanol

Highly Sensitive LaFeO₃-Based Sensor for Efficient Isoamyl Alcohol Detection

Well-designed g-C ₃N ₄ nanosheet incorporated Ag loaded Er _0.05La _0.95FeO ₃ heterojunctions for isoamyl alcohol detection

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About

Role of Er doping on isoamyl alcohol sensing performance of LaFeO3 microspheres and its prospects in wheat mildew detection

Abstract: Er–LaFeO3 microspheres with high sensitivity and superior selectivity for isoamyl alcohol.

Cited by 3 publications

References 51 publications

Electrospun LaFe1+XO3 nanotubes for enhancing gas sensing to n-butanol

Electrospun LaFe1+XO3 nanotubes for enhancing gas sensing to n-butanol

Highly Sensitive LaFeO₃-Based Sensor for Efficient Isoamyl Alcohol Detection

Well-designed g-C 3N 4 nanosheet incorporated Ag loaded Er 0.05La 0.95FeO 3 heterojunctions for isoamyl alcohol detection

Contact Info

Product

Resources

About

Role of Er doping on isoamyl alcohol sensing performance of LaFeO₃ microspheres and its prospects in wheat mildew detection

Well-designed g-C ₃N ₄ nanosheet incorporated Ag loaded Er _0.05La _0.95FeO ₃ heterojunctions for isoamyl alcohol detection