Determination of Lead (II) by Phosphorescence Using Manganese-Doped Zinc Sulfide Quantum Dots

被引：1

作者：

Yang, Jing ^{[1
]}

Lv, Zhe ^{[1
]}

Yang, Bo ^{[1
]}

Guo, Xiangdong ^{[1
]}

Qu, Feiyong ^{[1
]}

Miao, Yanping ^{[1
]}

Li, Dehui ^{[1
]}

Gao, Hongmei ^{[1
]}

Li, Wei ^{[2
]}

机构：

[1] Changchun Univ Chinese Med, Sch Pharmaceut Sci, Changchun 130117, Peoples R China

[2] Shandong Univ Tradit Chinese Med, Sch Pharmaceut Sci, Jinan 250355, Peoples R China

来源：

ANALYTICAL LETTERS | 2025年 / 58卷 / 09期

关键词：

Lead (II); manganese-doped zinc sulfide quantum dots (QDs); phosphorescence detection; BISPHENOL-A; FLUORESCENCE;

D O I：

10.1080/00032719.2024.2376750

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

Photoluminescence enhancement provides an effective way to improve the performance of quantum dots. In this study, lead(II) determination was demonstrated based on phosphorescence enhancement using 1-thioglycerol-capped Mn-doped ZnS quantum dots. Under the optimized conditions, good linear correlations were obtained for Pb2+ from 10.00 to 5000 nM and 0.05000 to 100.0 mM with correlation coefficients of 0.9997 and 0.9979 and a detection limit of 2.56 nM. The method demonstrates good linearity and selectivity, suitable sensitivity, easy operation, and the determination of Pb2+ in Chinese herbal medicine.

引用

页码：1495 / 1505

页数：11

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