使用抗干扰的三重发射Ln3+功能化的HOF@MOF传感器快速评估乙烯
Huijun Li1, Xiang Liu1, Xiaoqin Feng1
1Department of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, 454000, China.
Talanta
|August 18, 2024
概括
一个新的混合传感器检测到水中的乙乙 (AP). 这种材料表现出双光反应,使其能够在广泛的度范围内进行视觉检测,并为环境监测提供便携式解决方案.
科学领域:
- 材料科学 材料科学 材料科学
- 分析化学 分析化学
- 环境科学 环境科学
背景情况:
- 水中的乙乙 (AP) 污染对人类健康和环境构成重大风险.
- 开发用于AP检测的敏感和选择性传感器对于环境安全至关重要.
研究的目的:
- 设计和合成一种新的混合材料,用于检测水样中的乙乙 (AP).
- 开发一个具有视觉和定量检测能力的比度光传感器,用于AP.
- 创建一个便携式传感膜,在复杂的环境中快速确定AP.
主要方法:
- 通过使用顺序增长策略将HOF与ZIF-8集成,制造出混合材料.
- 将蓝色发射SiQD和绿色/红色发射Tb3+和Eu3+纳入混合结构.
- 使用光谱学分析传感器对不同AP度的反应.
主要成果:
- ZIF-8@SiQDs@HOF@Eu3+@Tb3+混合体显示了三个排放峰值 (484,545,620 nm),作为低AP度的关闭传感器 (检测极限为0.79 ppm).
- 在高AP度下观察到484nm的启动信号,具有比度光强度变化和明显的颜色演变 (红色到蓝色).
- 一种便携式传感膜成功制造,用于复杂样品中的视觉和敏感AP检测.
结论:
- 开发的三重排放传感器展示了有效的AP检测,具有广泛的颜色变化和强大的抗干扰能力.
- 这种传感器为多模式光检测提供了一个有前途的平台,具有改进的选择性,灵敏度和自我校正.
- 便携式传感膜可方便操作,用于快速 AP 预警和环境监测中的确定.
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