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基于兰化物金属有机框架的智能标签,用于准确监测温度

Xuanyu Li¹, Xinyi Lu¹, Chengyu Ma¹

¹College of Food Science and Technology, Shanghai Ocean University, Shanghai, 201306, China.

Mikrochimica acta

|June 3, 2025

概括

研究人员使用化金属有机框架 (Ln-MOFs) 和复合基材开发了一种智能光标签. 这种双排放标签表现出温度响应的发光,显示了温度计和环境监测的潜力.

科学领域:

材料科学材料科学材料科学
纳米技术纳米技术
化学工程是化学工程的重要组成部分.

背景情况:

兰化物金属有机框架 (Ln-MOFs) 具有对温度敏感的发光特性,对传感有价值.
开发稳定和敏感的光标签对于先进的监控应用至关重要.

研究的目的:

创建一个具有温度响应特性的双排放光标签.
通过复合材料设计,增强基于Ln-MOF的标签的稳定性和灵敏性.

主要方法:

合成了一种经过环氧修饰的以欧欧为基础的MOF (Eu-MOF) 修饰与甘油三同酸盐 (TGIC).
将修改后的Eu-MOF添加到含素酸盐/碳酸甲基纤维素复合基质中,以创建SCF-TGIC@MOF标签.
研究了开发的复合标签的光特性和温度反应.

主要成果:

与未经修改的Eu-MOF相比,TGIC修改的复合材料表现出增强的光强度,热稳定性和相对灵敏度.
复合基板提高了光标签的整体物理化学稳定性.
标签显示,在生理温度范围 (277.15313.15 K) 中,可见的绿色到红色光过渡.

结论:

开发的双排放光标签具有显著的温度响应发光.
标签显示了作为发光温度计和环境温度监测中的使用潜力.
它的功能表明在保存和储存敏感产品,如食品 (蔬菜,水产品) 的应用.

关键词:

环氧树脂是一种环氧树脂.光检测的检测方法兰化金属有机框架智能标签是一种智能标签.温度传感器是一种温度传感器.

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