青霉胺稳定的铜/银双金属纳米簇制备及其在银离子检测中的应用

白金娜; 王亮; 王明慧; 陈明; 林权; 杨旭东

doi:10.37188/CJL.20210341

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青霉胺稳定的铜/银双金属纳米簇制备及其在银离子检测中的应用

发光学应用及交叉前沿 | 更新时间：2022-02-25

- 青霉胺稳定的铜/银双金属纳米簇制备及其在银离子检测中的应用
  增强出版
- Preparation of Copper/Silver Bimetallic Nanoclusters Stabilized by Penicillamine and Their Application in Silver Ion Detection
- 发光学报 2022年43卷第2期页码：285-295
- 作者机构：
  
  1.长春工业大学　化学工程学院，　材料科学高等研究院，吉林　长春　130012
  2.吉林大学化学学院　超分子结构与材料国家重点实验室，吉林　长春　130012
- 作者简介：
  
  白金娜(1996-)，女，山东日照人，硕士研究生，2018年于德州学院获得学士学位，主要从事光功能聚合物纳米复合材料的研究。E-mail: bjn0308@126.com
  杨旭东(1985-)，男，吉林梨树人，博士，副教授，博士生导师，2014年于吉林大学获得博士学位，主要从事光功能聚合物纳米复合材料的研究。E-mail: yangxudong@ccut.edu.cn
- 基金信息：
  
  国家自然科学基金(51603018);吉林大学超分子结构与材料国家重点实验室开放课题(sklssm2021028)
- DOI：10.37188/CJL.20210341
  中图分类号： O614
- 收稿：2021-11-02，
  
  修回：2021-11-14，
  
  纸质出版：2022-02
- 稿件说明：
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白金娜, 王亮, 王明慧, 等. 青霉胺稳定的铜/银双金属纳米簇制备及其在银离子检测中的应用[J]. 发光学报, 2022,43(2):285-295.

Jin-na BAI, Liang WANG, Ming-hui WANG, et al. Preparation of Copper/Silver Bimetallic Nanoclusters Stabilized by Penicillamine and Their Application in Silver Ion Detection[J]. Chinese Journal of Luminescence, 2022, 43(2): 285-295.
白金娜, 王亮, 王明慧, 等. 青霉胺稳定的铜/银双金属纳米簇制备及其在银离子检测中的应用[J]. 发光学报, 2022,43(2):285-295. DOI： 10.37188/CJL.20210341.

Jin-na BAI, Liang WANG, Ming-hui WANG, et al. Preparation of Copper/Silver Bimetallic Nanoclusters Stabilized by Penicillamine and Their Application in Silver Ion Detection[J]. Chinese Journal of Luminescence, 2022, 43(2): 285-295. DOI： 10.37188/CJL.20210341.

摘要

以青霉胺(DPA)为还原剂和稳定剂，通过一锅法一步制备了青霉胺稳定的铜/银双金属纳米簇(DPA-Cu/Ag NCs)，并将其作为一种传感器用于检测水样中的银离子。该银离子传感器具有价格低廉、分析速度快速、选择性高等特点。采用透射电子显微镜(TEM)等方法表征了DPA-Cu/Ag NCs的结构及其化学组成，并通过荧光光谱和紫外-可见光谱法研究了DPA-Cu/Ag NCs的光学性质。结果表明，该DPA-Cu/Ag NCs在激发波长为300 nm时的最大发射波长为555 nm，其溶液在可见光照射下呈现乳白色，在紫外灯照射下则呈现出明亮的黄色荧光。在DPA-Cu/Ag NCs的制备条件达到最优化的情况下，可以将其作为探针，用来高选择性、高灵敏性地检测银离子。该探针检测银离子的检测限为0.3 μmol/L，线性范围为0~500 μmol/L。该DPA-Cu/Ag NCs探针还可应用于自然环境水样(湖水、瓶装矿泉水和实验室自来水)中银离子浓度的检测，其检测性能十分优异且具有良好的准确度和重现性，表明DPA-Cu/Ag NCs探针在环境检测方面有非常高的应用价值。

Abstract

Bimetallic copper-silver nanoclusters(DPA-Cu/Ag NCs) were prepared by one-pot method using penicillamine as reducing agent and stabilizer

and used as a sensor to detect silver ions in water samples. The Ag

sensor has the advantages of low price

quick analysis speed and high selectivity. The structure and chemical composition of bimetallic copper-silver nanoclusters were characterized by transmission electron microscopy(TEM). The results showed that the DPA-Cu/Ag NCs exhibited a maximum emission at 555 nm with an excitation wavelength of 300 nm. It is a milky white solution under visible light

and the solution shows bright yellow fluorescence under UV light. When the preparation conditions of DPA-Cu/Ag NCs are optimized

it can be used as a probe to detect si

lver ions with high selectivity and sensitivity. The detection limit of silver ion is 0.3 μmol/L and the linear range is 0-500 μmol/L. The DPA-Cu/Ag NCs probe can also be applied to the detection of silver ion concentration in natural environmental water samples(lake water

bottled mineral water and laboratory tap water

etc

and its detection performance is excellent with good percent of accuracy and reproducibility

indicating that the DPA-Cu/Ag NCs probe has extremely high application value in environmental monitoring.

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references

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