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Study the characterization and acetone sensing behaviour of CuO-doped SnO2–TiO2 nanocomposite at room temperature

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Abstract

Gas detected with nanosized oxide materials attracts consideration due to its promising capability of identifying different poisonous gases in atmosphere. In this study, the Cu-doped SnO2–TiO2 nanostructures were synthesized by co-precipitation and hydrothermal method using stannic chloride, titanium isopropoxide and copper nitrate as precursors. Structural characterization revealed that the items correspond to nanostructures of Cu particles deposited on SnO2–TiO2 surface. The characterizations studies of hybrid nanocomposites were determined by X-ray diffractrogram, scanning electron microscopy, FTIR and UV–Vis spectroscopy analyses. Optimized nanocomposite was fabricated into high sensitive gas thick film to sense gas molecules. The prepared sensor device using the films exhibits higher responses (sensitivities) to reducing group of gases. The improved sensitivity of this nanocomposite propagates the gas diffusivity of the sensing film comprising Cu-doped SnO2–TiO2. This sensing film will also increase the sensor response due to its catalytic and electrical sensitization effects of Cu and titanium oxide.

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Data availability

The datasets generated during and/or analysed during the current study are available from the corresponding author on reasonable request.

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Acknowledgements

We thank Dr. K. Jeyadeepan, Assistant Professor (Research), Multifunctional Materials & Devices Lab, SASTRA University, Thanjavur, Tamilnadu, for providing gas-sensing setup Lab.

Funding

The authors have not disclosed any funding.

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Authors and Affiliations

  1. Department of Electronics, GAC, Affiliated to Bharathidasan University, Tiruchirappalli, 22, India

    V. Vidhya

  2. Department of Electronics, GAC, Affiliated to Bharathidasan University, Kulithalai, 639120, India

    P. Anbarasu

  3. Department of Physics, Annamalai University, Annamalai Nagar, 608002, India

    D. Geetha

Authors
  1. V. Vidhya
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  2. P. Anbarasu
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  3. D. Geetha
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Contributions

All authors contributed to the study conception and design. Material preparation, data collection and analysis were performed by [V.V.], [Dr. P.A.] and [Dr. D.G.]. The first draft of the manuscript was written by [V.V.] and all authors commented on previous versions of the manuscript. All authors read and approved the final manuscript.

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Correspondence to V. Vidhya.

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Vidhya, V., Anbarasu, P. & Geetha, D. Study the characterization and acetone sensing behaviour of CuO-doped SnO2–TiO2 nanocomposite at room temperature. J Mater Sci: Mater Electron 33, 24059–24067 (2022). https://doi.org/10.1007/s10854-022-09029-4

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  • DOI: https://doi.org/10.1007/s10854-022-09029-4

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