Ultra-responsive and highly sensitive 1D ZnO nanotubes for detecting perilous low levels of NO<sub>2</sub> gas

Godse, Prasad R.; Kadam, Sujit A.; Nimbalkar, Tanaji M.; Jadhav, Yogesh M.; Jadhao, Yuvraj B.; Ma, Yuan-Ron; Patil, Vikas B.

doi:10.1039/d3ma00962a

Mater. Adv.

2024

DOI: 10.1039/d3ma00962a

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Ultra-responsive and highly sensitive 1D ZnO nanotubes for detecting perilous low levels of NO₂ gas

Prasad R. Godse,

Sujit A. Kadam,

Tanaji M. Nimbalkar

et al.

Abstract: Metal oxide gas sensors suffer from limited applicability due to their low response time and selectivity. This research aims to improve the gas sensitivity and fast response of a nanostructured...

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Tailoring Zn mixed WO3 nanoflowers for highly efficient NO2 gas detection

Nimbalkar,

Kadam,

et al. 2024

Ceramics International

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Tailoring Zn mixed WO3 nanoflowers for highly efficient NO2 gas detection

Nimbalkar,

Kadam,

et al. 2024

Ceramics International

View full text Add to dashboard Cite

Enhanced sensing response of the three dimensional MoS2 microstructure for NO2 gas detection at room temperature

Cheng,

Huang,

Xing

et al. 2024

Front. Phys.

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As a promising sensing material, Molybdenum disulfide (MoS2) nanosheets is being increasingly studied for Nitrogen dioxide (NO2) gas sensing. However, the MoS2 nanosheets is prone to the stacking effect that compromises the sensing performances. Here, the stacking effect is mitigated by engineering MoS2 nanosheets into a three dimensional (3D) network microstructure, which was fabricated by method of electrostatically self-assembling of MoS2/SiO2 microspheres. The fabricated sensor based on 3D MoS2 network observed a significantly improved response of 15% to 12.3 ppm NO2, which is a 75-fold increase compared to the control sensor with pure MoS2 nanosheets. In addition, the sensitivity of the sensor with 3D MoS2 network was 6.15 times larger than that of the control sensor with pure MoS2 nanosheets. The detection limit of our sensor was 0.297 ppm, lower than most of reported MoS2-based NO2 sensors. The enhanced sensitivity and dynamic response stem from the improved interaction between NO2 molecules and MoS2 network, thanks to its increased surface area per footprint of MoS2 nanosheets compared to pure 2D MoS2 film (single- or few-layer). This work presents a new approach to enhancing the performance of gas sensors based on 2D materials.

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Ultra-responsive and highly sensitive 1D ZnO nanotubes for detecting perilous low levels of NO₂ gas

Abstract: Metal oxide gas sensors suffer from limited applicability due to their low response time and selectivity. This research aims to improve the gas sensitivity and fast response of a nanostructured...

Cited by 2 publications

References 97 publications

Tailoring Zn mixed WO3 nanoflowers for highly efficient NO2 gas detection

Tailoring Zn mixed WO3 nanoflowers for highly efficient NO2 gas detection

Enhanced sensing response of the three dimensional MoS2 microstructure for NO2 gas detection at room temperature

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Ultra-responsive and highly sensitive 1D ZnO nanotubes for detecting perilous low levels of NO2 gas

Abstract: Metal oxide gas sensors suffer from limited applicability due to their low response time and selectivity. This research aims to improve the gas sensitivity and fast response of a nanostructured...

Cited by 2 publications

References 97 publications

Tailoring Zn mixed WO3 nanoflowers for highly efficient NO2 gas detection

Tailoring Zn mixed WO3 nanoflowers for highly efficient NO2 gas detection

Enhanced sensing response of the three dimensional MoS2 microstructure for NO2 gas detection at room temperature

Contact Info

Product

Resources

About

Ultra-responsive and highly sensitive 1D ZnO nanotubes for detecting perilous low levels of NO₂ gas