通过基于cataluminescence的多维电比测量传感器有效区分危险的有机酸盐阻燃剂
Zhengjun Gong1,2, Yi Deng1, Binbin Zheng1
1Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 611756, China.
Analytical chemistry
|February 16, 2024
概括
一个新的传感器使用光 (CTL) 检测有机酸盐阻燃剂 (OPFRs). 该方法创建了一个独特的3D代码,用于识别10种不同的OPFR,为监测这些新出现的污染物提供了一种新的方式.
科学领域:
- 环境化学环境化学
- 分析化学 分析化学
- 材料科学 材料科学 材料科学
背景情况:
- 新出现的污染物,如有机酸盐阻燃剂 (OPFR),由于其毒性,造成了全球环境和健康的重大风险.
- 迫切需要高效的便携式传感器来实时地对OPFR进行现场监测,以了解它们的环境行为.
研究的目的:
- 开发一种新的传感策略,以快速准确地检测和区分多个OPFR蒸气.
- 调查OPFRs的光现象 (CTL),作为传感器开发的基础.
主要方法:
- 在OPFR中观察和利用光现象 (CTL).
- 开发一种使用单一Tb/Eu修饰的MgO材料的多维比度CTL传感策略.
- 从多峰CTL光谱曲线中提取三个特征比,以创建一个独特的3D识别代码.
主要成果:
- 报告了对OPFR的CTL现象的首次观察.
- 成功建立了一个新的3D识别代码,使单个OPFRs的独特识别成为可能.
- 传感器展示了区分和检测10种不同的OPFR蒸气的能力,包括异构体和同源系列.
- 机制研究表明,OPFR经历氧化性热解和化,产生影响稀土离子能量转移的中间体,从而产生不同的光谱谱.
结论:
- 基于CTL的新传感原理已为OPFR识别建立,在新出现的污染物检测方面取得了重大进展.
- 开发的CTL分析平台对快速地在现场识别OPFR和其他新出现的污染物非常有前途.
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