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通过表面打印将稀土复合物与碳点结合起来:光谱Cu2+传感器的新策略

Zuoyi Liu¹, Bo Hu², Minjia Meng²

¹South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510000, China.

Molecules (Basel, Switzerland)

|October 16, 2025

概括

开发了一种新型的比度光传感器,用于敏感和选择性检测铜离子 (Cu2+). 这种传感器为现场水质监测提供了一个便携式解决方案.

科学领域:

分析化学分析化学
材料科学材料科学材料科学
环境科学环境科学

背景情况:

准确检测铜离子 (Cu2+) 对于环境监测至关重要.
现有的方法可能缺乏对现场应用的敏感性,选择性或可移植性.
分子印记聚合物为选择性分析物识别提供了一个有希望的平台.

研究的目的:

开发一个表面分子印记的比度学光传感器,用于选择性和视觉检测Cu2+.
为了整合蓝色发射碳点 (CD) 和欧洲 (III) 复合物用于比度光.
创建一个敏感和选择性的传感平台,用于现场Cu2+监测.

主要方法:

一个表面分子印记聚合物传感器的构造 (Eu/CDs@SiO₂@IIPs).
集成的碳点 (CDs) 作为内部参考和一个Eu (III) 复合物作为功能单体.
优化传感器条件的检测极限,线性范围和响应时间.
对竞争性离子的选择性评估和在真实水样中验证.

主要成果:

传感器为Cu²⁺的低检测极限达到2.79nM.
观察到10-100nm的宽线性范围和3.0分钟的快速响应时间.
传感器表现出高的选择性,这是由于类素连接体的结构.
在脱离离子和河水样本中成功验证,具有良好的回收率.

结论:

开发的Eu/CDs@SiO₂@IIPs传感器对Cu²⁺检测具有敏感性,选择性和准确性.
分度光方法通过减少背景干扰来提高可靠性.
该平台显示了在环境水样中的Cu2+的便携式现场监测的巨大潜力.

关键词:

Cu2+检测检测器可以检测到有离子印记的聚合物.分度尺度的光效应.视觉传感器视觉传感器视觉传感器

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