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January 1, 2025Journal of Materials Chemistry A

Humidity-independent acetone gas sensors with ppbv-level sensitivity and high selectivity, using an In₂O₃ microporous nanoneedle array

Takumi Matsuoka Pil Gyu Choi Seiichi Takami Yoshitake Masuda

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Key Points

The new acetone gas sensor showed exceptional sensitivity at ppbv levels, enhancing detection accuracy.
Developed using In2O3 microporous nanoneedle arrays, the sensor remains effective in varying humidity conditions.
The chemical bath deposition method employed for fabrication allows for the creation of advanced sensor structures.
High selectivity against interference from other gases was observed, supporting practical deployments in various environments.

Implication

Novel acetone gas sensors demonstrate high selectivity and sensitivity, indicating potential for diverse applications.

Abstract

A humidity-independent acetone gas sensor using In 2 O 3 microporous nanoneedle arrays fabricated via chemical bath deposition.

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Cite This Study

Matsuoka et al. (2025) studied this question.

synapsesocial.com/papers/68c18c089b7b07f3a0614938 https://doi.org/10.1039/d5ta04209g

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