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使用氨基功能化碳化聚合物点的双模式光色度测量微量酸盐的感应

Tao Li¹, Weitao Wang¹, Xiaoya Feng¹

¹Tianjin Key Laboratory of Brine Chemical Engineering and Resource Eco-utilization, College of Chemical Engineering and Materials Science, Tianjin University of Science and Technology, Tianjin 300457, China.

|November 25, 2025

概括

使用绿色排放碳化聚合物点 (g-CPDs) 的新型双模式传感器提供了高度选择性和准确的化物 (NO2−) 检测. 这种传感器在现实世界样本中表现出色,为先进的环境和食品分析铺平了道路.

科学领域:

材料科学材料科学材料科学
分析化学分析化学
纳米技术纳米技术

背景情况:

化物 (NO2−) 检测对于环境监测和食品安全至关重要.
现有的检测方法经常面临选择性,灵敏性和干扰方面的挑战.
碳化聚合物点 (CPD) 为传感应用提供可调节的性能.

研究的目的:

开发一种双模式传感器,用于高度选择性和准确的酸盐检测.
合成和表征绿色排放碳化聚合物点 (g-CPDs) 用于传感.
阐明g-CPD的传感机制和结构-活动关系.

主要方法:

通过通过交联聚合来优化m-PD和EDTA的摩尔比率来合成g-CPDs.
采用光 (513 nm) 和色度 (450 nm) 检测的双模式传感.
结构特征,量子化学计算和斯特恩-沃尔默分析.

主要成果:

该g-CPDs传感器实现了低酸盐检测极限:0.109微米 (光) 和0.129微米 (色度).
在真实样本 (食品,环境水) 中表现出优异的选择性,抗干扰性和高精度.
恢复率在97.13%至106.90%之间,相对标准偏差低于4.88%.

结论:

开发的g-CPDs传感器为化物检测提供了一个敏感和选择性的平台.
协同机制涉及静态光火和氨基阳性潜力驱动的透化.
这种传感器显示出在食品和环境分析中实际应用的巨大潜力.

关键词:

光-色度测量双模式传感器食品安全监测食品安全监测绿色排放碳化聚合物点 (g-CPDs) 是一种绿色排放碳化聚合物点.分子机制的分子机制亚酸盐检测检测亚酸盐检测

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