1 条结果 关键词:荧光猝灭 ×

One minute synthesis of green fluorescent copper nanocluster: The preparation of smartphone aided paper-based kit for on-site monitoring of nanomolar level mercury and sulfide ions in environmental samples.

Journal of hazardous materials 2020 Maruthupandi M, Thiruppathi D, Vasimalai N

本文报道了一种通过简单超声法在一分钟内合成绿色荧光铜纳米团簇的方法。以1-硫基-β-D-葡萄糖(TG)为封端配体,合成得到TG-CuNCs,其荧光发射峰位于430 nm,并通过紫外-可见吸收、荧光、X射线衍射、高分辨透射电镜和傅里叶变换红外光谱进行表征。加入Hg2+或S2−后,TG-CuNCs的绿色荧光发生猝灭。基于荧光猝灭,分别计...