AI Article Synopsis
- This study focuses on improving gas sensors using nanomaterials, specifically flower-like anatase TiO nanomaterials (FLNMs) for better performance in detecting acetone vapor.
- The TiO FLNMs are created through a one-step hydrothermal method and show high selectivity and response with a response value of 33.72 at 250 ppm acetone and a linear relationship in measurements.
- With a fast response/recovery time of 46/24 seconds and a detection limit of 0.65 ppm, lower than the threshold for diabetes detection (0.8 ppm), these sensors suggest potential for medical diagnostics.
Article Abstract
For real-application gas sensors, high performances (response, selectivity, response/recovery time and stability) are demanded. An effective strategy is applying nanomaterials in gas sensors. In this study, the anatase TiO flower-like nanomaterials (FLNMs) are prepared through a one-step hydrothermal method which exhibit high-performance toward acetone vapor. TiO FLNMs sensors property are characterized at optimal working temperature of 330 °C with selectivity (acetone), response (S = 33.72 toward 250 ppm acetone), linear dependence (R = 0.9913), response/recovery time (46/24 s toward 250 ppm acetone) and long-term stability (30 days). These demonstrate that TiO FLNMs get a high performance for acetone sensor. Moreover, the limit of detection of acetone is 0.65 ppm which is lower than that of exhaled air for diabetes (0.8 ppm), indicating that TiO FLNMs gas sensor gets potential application in medical diagnosis.
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Source |
|---|---|
| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9440186 | PMC |
| http://dx.doi.org/10.1186/s11671-022-03721-4 | DOI Listing |
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