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<p>Acetone is a common industrial chemical that can irritate the respiratory tract, damage the central nervous system, and pose health risks; it is also highly flammable and poses explosion hazards. Therefore, real-time detection of acetone is of paramount importance. In this study, acetone gas sensors were successfully fabricated with ErFeO<sub>3</sub> nanofibers doped with yttrium at different concentrations (0, 2, 4, and 6 at%), which were synthesized by a facile electrospinning method, and their gas-sensing properties were systematically investigated. Experimental results demonstrated that Y (yttrium) doping significantly enhances the gas-sensing performance of ErFeO<sub>3</sub> nanofibers. Specifically, EFO-4Y (Y/Er ratio = 4 at%) exhibited a response of 13.66 to 10 ppm acetone at 150&#xa0;°C, representing a 2.29-fold increase compared to pure EFO. These sensors also demonstrated excellent selectivity, repeatability, and long-term stability. Compared with other reported acetone sensors, this sensor offers advantages including a simple synthesis method, a lower operating temperature, and a reduced detection limit (LOD). Consequently, Y-doped ErFeO<sub>3</sub> nanofibers can serve as a promising material for detecting low-concentration acetone.</p>

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Enhanced acetone gas sensor based on Y-doped ErFeO3 prepared by electrospinning

  • 期刊论文

  • 发表日期：

    2026年6月26日

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  • Qiyuan Fu,
  • Jingyu Long,
  • Shuang Gao,
  • Wenjun Tu,
  • Runduo Teng,
  • Tianyu Lan,
  • Changhao Feng

摘要

Acetone is a common industrial chemical that can irritate the respiratory tract, damage the central nervous system, and pose health risks; it is also highly flammable and poses explosion hazards. Therefore, real-time detection of acetone is of paramount importance. In this study, acetone gas sensors were successfully fabricated with ErFeO3 nanofibers doped with yttrium at different concentrations (0, 2, 4, and 6 at%), which were synthesized by a facile electrospinning method, and their gas-sensing properties were systematically investigated. Experimental results demonstrated that Y (yttrium) doping significantly enhances the gas-sensing performance of ErFeO3 nanofibers. Specifically, EFO-4Y (Y/Er ratio = 4 at%) exhibited a response of 13.66 to 10 ppm acetone at 150 °C, representing a 2.29-fold increase compared to pure EFO. These sensors also demonstrated excellent selectivity, repeatability, and long-term stability. Compared with other reported acetone sensors, this sensor offers advantages including a simple synthesis method, a lower operating temperature, and a reduced detection limit (LOD). Consequently, Y-doped ErFeO3 nanofibers can serve as a promising material for detecting low-concentration acetone.