CuCrO2/Cr2O3异质连接气体传感器用于低温和高响应的H2S检测,以及其用于肉类新鲜度评估的应用
Baoyu Song1, Jinghan Wang2, Xiaona Zhang3
1Department of Chemistry, College of Arts and Sciences, Northeast Agricultural University, Harbin, 150030, China. songbaoyu1026@163.com.
Mikrochimica acta
|August 1, 2025
概括
这项研究开发了一种新型的氧化物 (Cu-Cr2O3) 气体传感器,用于检测硫化 (H2S). 传感器显示出对H2S的高灵敏度和选择性,显示出对环境监测和食品腐败检测的前景.
科学领域:
- 材料科学 材料科学 材料科学
- 化学传感器 化学传感器
- 环境监测 环境监测
背景情况:
- 硫化 (H2S) 是一种有毒气体,也是肉类腐败的关键指标.
- 准确,实时的H2S检测对于安全和健康至关重要.
- 低温,高灵敏度的H2S检测仍然是一个重大挑战.
研究的目的:
- 开发一种用于敏感H2S检测的新型传感材料.
- 为了研究CuCrO2-doped Cr2O3 p-p异质连接空心管的气体感应特性.
- 探索传感器在肉类新鲜度评估中的潜在应用.
主要方法:
- 生物质模板方法用于合成CuCrO2-合的Cr2O3空心管.
- 在各种H2S度和温度下评估气体传感性能.
- 使用XPS和拉曼光谱等技术进行材料表征.
- 分析气体传感机制和选择性.
主要成果:
- 这种10.93%重量的Cr-doped Cr2O3 (Cu-Cr2O3-3) 材料表现出极好的H2S传感性能.
- 在92°C时达到441.2到100ppmH2S的高响应值.
- 传感器显示出良好的选择性,低检测极限 (11.15 ppb) 和耐湿性.
- 该材料证明了在猪肉和中检测肉的新鲜度的潜力.
结论:
- CuCrO2-doped Cr2O3 p-p异质连接空洞管为H2S气体传感提供了一个有前途的平台.
- 开发的传感器在H2S检测方面表现出卓越的性能特性.
- 该传感器在监测食品质量和环境安全方面显示出实际应用.
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