基于 (Zn) 基的混合基轴承协调聚合物作为多响应的光传感器,用于检测二酸盐,化物,尼皮拉姆和伊米达克洛普里德
Dan Wang1, Lin-Huan Du1, Long Li1
1Key Laboratory of Urban Agriculture in North China, Ministry of Agriculture and Rural Affairs, Beijing University of Agriculture, Beijing 102206, China.
Polymers
|June 10, 2023
概括
为光检测合成了两种新的基于的协调聚合物 (CP). 在检测二酸盐离子和某些农药方面,CP-1显示出高效率和选择性.
科学领域:
- 材料科学 材料科学 材料科学
- 化学 化学 化学
- 环境科学 环境科学
背景情况:
- 协调聚合物 (CPs) 是多功能有机-无机多孔材料.
- 基于光的环境污染物的检测越来越多地使用CP.
研究的目的:
- 合成和表征两种基于的新型混合联体协调聚合物 (CPs).
- 调查这些CP的潜力,以选择性和敏感的光检测污染物.
主要方法:
- 基于Zn的两个CP的溶热合成:[Zn2 (((DIN) 2 (((HBTC2-) ] (CP-1) 和[Zn (((DIN) ((HBTC2-) ]·ACN·H2O (CP-2).
- 使用单晶X射线衍射,FTIR,TGA,元素分析和PXRD进行表征.
- 固态光光谱仪用于排放分析.
- 光传感实验用于检测Cr2O72-,I-和农药.
主要成果:
- CP-1在225和290纳米的激发波长下表现出对Cr2O72-离子的选择性和敏感的光检测.
- 在225nm激发时有效检测到I-离子.
- CP-1 证明了农药的差异检测,尼皮拉姆 (225 nm) 和伊米达克洛普里德 (290 nm) 显示了最高的火率.
- 在225和290nm激发时,在350nm观察到排放峰值.
结论:
- 合成的基于Zn的CP,特别是CP-1,显示出作为环境监测光传感器的显著前景.
- 传感机制可能涉及内部波器效应和光共振能量转移.
- 在不同的激发波长下检测不同的分析物的能力突显了这些材料的可调性质.
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