Comparative study on formic acid sensing properties of flame-made Zn<sub>2</sub>SnO<sub>4</sub> nanoparticles and its parent metal oxides

Punginsang, Matawee; Inyawilert, K.; Siriwalai, Mameaseng; Wisitsoraat, Anurat; Tuantranont, Adisorn; Liewhiran, C.

doi:10.1039/d3cp00845b

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Cited by 4 publications

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References 76 publications

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“…However, there is great scope for further improvement in their selectivity and sensitivity. 21,22 Metal oxides have lacked selectivity in the past few decades. When using metal oxide sensors for real-time monitoring in settings with several components, their selectivity presents a significant difficulty.…”

Section: Introductionmentioning

confidence: 99%

Manganese doped two-dimensional zinc ferrite thin films as chemiresistive trimethylamine gas sensors

Ravikumar,

Thirumalaisamy,

Madanagurusamy

et al. 2023

Phys. Chem. Chem. Phys.

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Section: Introductionmentioning

confidence: 99%

Manganese doped two-dimensional zinc ferrite thin films as chemiresistive trimethylamine gas sensors

Ravikumar,

Thirumalaisamy,

Madanagurusamy

et al. 2023

Phys. Chem. Chem. Phys.

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Optical fiber gas sensor with multi-parameter sensing and environmental anti-interference performance

Chen,

Li,

Zhu

et al. 2024

Journal of Industrial Information Integration

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Defects Enriched p-type Zinc Stannate for Selective Detection of ppb-Level NO₂ Gas at Ambient Temperature

Pawar,

Nath,

Rodney

et al. 2024

ACS Appl. Nano Mater.

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In this study, we explore the synthesis and gas-sensing capabilities of zinc stannate (Zn2SnO4) in three morphologiesspherical nanoparticles, urchins, and octahedronsaiming to investigate the influence of morphology on sensing properties. The fabricated devices exhibit a significant resistance decrease upon exposure to NO2 at room temperature (24 °C), indicating p-type sensing behavior. Among these morphologies, the spherical nanoparticle-based sensor exhibits the highest sensor response of 57% to 6 ppm of NO2, outperforming urchins and octahedrons by approximately 1.2 and 4.1 times, respectively. This superior performance, with response and recovery times of 6.3 s and 224 s, is attributed to enhanced redox reactions from a larger surface area and a higher proportion of oxygen interstitials. The spherical nanoparticle-based sensor also demonstrates exceptional selectivity for NO2 over SO2, CO, NH3, and CH4, with a detection limit of 200 ppb. Furthermore, the sensor exhibits excellent reversibility with only 2% variation across 20 consecutive test cycles and demonstrates remarkable long-term stability, with a performance fluctuation of approximately 2.3% over 63 days without significant degradation.

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Comparative study on formic acid sensing properties of flame-made Zn₂SnO₄ nanoparticles and its parent metal oxides

Abstract: Proposed CH2O2-sensing mechanism of the flame-made Zn2SnO4 based sensor correlating the resistance change behaviors under exposure to air and CH2O2 at 300 °C.

Cited by 4 publications

References 76 publications

Manganese doped two-dimensional zinc ferrite thin films as chemiresistive trimethylamine gas sensors

Manganese doped two-dimensional zinc ferrite thin films as chemiresistive trimethylamine gas sensors

Optical fiber gas sensor with multi-parameter sensing and environmental anti-interference performance

Defects Enriched p-type Zinc Stannate for Selective Detection of ppb-Level NO₂ Gas at Ambient Temperature

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Comparative study on formic acid sensing properties of flame-made Zn2SnO4 nanoparticles and its parent metal oxides

Abstract: Proposed CH2O2-sensing mechanism of the flame-made Zn2SnO4 based sensor correlating the resistance change behaviors under exposure to air and CH2O2 at 300 °C.

Cited by 4 publications

References 76 publications

Manganese doped two-dimensional zinc ferrite thin films as chemiresistive trimethylamine gas sensors

Manganese doped two-dimensional zinc ferrite thin films as chemiresistive trimethylamine gas sensors

Optical fiber gas sensor with multi-parameter sensing and environmental anti-interference performance

Defects Enriched p-type Zinc Stannate for Selective Detection of ppb-Level NO2 Gas at Ambient Temperature

Contact Info

Product

Resources

About

Comparative study on formic acid sensing properties of flame-made Zn₂SnO₄ nanoparticles and its parent metal oxides

Defects Enriched p-type Zinc Stannate for Selective Detection of ppb-Level NO₂ Gas at Ambient Temperature