基于buckypaper的化学电阻传感器的以太胺溶液的振动和电阻反应
Débora Ely Medeiros Ferreira1,2,3, Paula Fabíola Pantoja Pinheiro2,4, Luiza Marilac Pantoja Ferreira2,5
1Postgraduate Program in Materials Science and Engineering, Federal University of Para, Ananindeua 67130-660, PA, Brazil.
Nanomaterials (Basel, Switzerland)
|August 13, 2025
概括
微型传感器使用功能化碳纳米管检测以太胺度. 这个buckypaper传感器显示了实时化学传感在工业应用中的潜力.
科学领域:
- 材料科学 材料科学 材料科学
- 化学工程是化学工程的重要组成部分.
- 传感器技术 传感器技术
背景情况:
- 微型传感器对于检测低度的化学和生物物质至关重要.
- 基于氨基的花剂在采矿业中至关重要,需要有效的检测方法.
研究的目的:
- 开发和描述用于感知乙醇胺 (EA) 的布基纸 (BP) 薄膜.
- 为了评估BP薄膜对各种EA度的化学阻抗传感能力.
主要方法:
- 用真空过方式使用碳酸功能化的多壁碳纳米管 (f-MWCNTs) 制造了buckypaper膜.
- 使用扫描电子显微镜 (SEM) 进行了形态分析.
- 使用拉曼光谱进行振动分析;测量电反应.
主要成果:
- 在SEM中,在纤维素纤维上发现了f-MWCNT聚合物.
- 拉曼光谱证实了f-MWCNTs和EA化学键的存在.
- 传感器成功地将脱离离子水与EA以及各种EA度区分开来.
- 传感器的响应时间为3.62 ± 0.99分钟 (5体积%EA) 和恢复时间为21.16 ± 2.35分钟 (10体积%EA).
结论:
- 开发的buckypaper传感器证明了有效检测以太胺.
- 该传感器显示了实时化学阻抗传感应用的潜力,特别是在工业环境中.
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