用金属有机框架和离子选择性染料包覆的等离子体纳米微珠光学定量分析金属离子

IF 4.8 Q2 NANOSCIENCE & NANOTECHNOLOGY

ACS Nanoscience Au Pub Date : 2023-03-06 DOI:10.1021/acsnanoscienceau.2c00063

Tolga Zorlu, Begoña Puértolas, I. Brian Becerril-Castro, Luca Guerrini, Vincenzo Giannini, Miguel A. Correa-Duarte* and Ramon A. Alvarez-Puebla*,

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引用次数: 3

摘要

在此，我们设计并合成了一种包含涂有银纳米球的聚苯乙烯亚微珠的杂化材料。这种材料在用可见光照射时提供密集的电磁热点集合。随后用金属框架涂覆并在其上吸附巴库丙碱，产生了一种用于SERS的光学传感器，该传感器可以在超痕量水平上特异性地检测各种水样品中的Cu（II）。该方法的检测极限优于诱导耦合等离子体或原子吸收的检测极限，并且与诱导耦合等离子体与质量检测器耦合所获得的检测极限相当。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Optical Quantification of Metal Ions Using Plasmonic Nanostructured Microbeads Coated with Metal–Organic Frameworks and Ion-Selective Dyes

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Optical Quantification of Metal Ions Using Plasmonic Nanostructured Microbeads Coated with Metal–Organic Frameworks and Ion-Selective Dyes

Herein, we designed and synthesized a hybrid material comprising polystyrene submicrobeads coated with silver nanospheres. This material provides a dense collection of electromagnetic hot spots upon illumination with visible light. The subsequent coating with a metal-framework and the adsorption of bathocuproine on it yield an optical sensor for SERS that can specifically detect Cu(II) in a variety of aqueous samples at the ultratrace level. Detection limits with this method are superior to those of induced coupled plasma or atomic absorption and comparable with those obtained with induced coupled plasma coupled with a mass detector.

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来源期刊

ACS Nanoscience Au 材料科学、纳米科学-

CiteScore

4.20

自引率

0.00%

发文量

期刊介绍： ACS Nanoscience Au is an open access journal that publishes original fundamental and applied research on nanoscience and nanotechnology research at the interfaces of chemistry biology medicine materials science physics and engineering.The journal publishes short letters comprehensive articles reviews and perspectives on all aspects of nanoscience and nanotechnology:synthesis assembly characterization theory modeling and simulation of nanostructures nanomaterials and nanoscale devicesdesign fabrication and applications of organic inorganic polymer hybrid and biological nanostructuresexperimental and theoretical studies of nanoscale chemical physical and biological phenomenamethods and tools for nanoscience and nanotechnologyself- and directed-assemblyzero- one- and two-dimensional materialsnanostructures and nano-engineered devices with advanced performancenanobiotechnologynanomedicine and nanotoxicologyACS Nanoscience Au also publishes original experimental and theoretical research of an applied nature that integrates knowledge in the areas of materials engineering physics bioscience and chemistry into important applications of nanomaterials.