A Highly Sensitive and Stable SERS Sensor for Malachite Green Detection Based on Ag Nanoparticles In Situ Generated on 3D MoS2 Nanoflowers

被引：28

作者：

Jiang, Jiayu ^{[1
]}

Shen, Qihui ^{[2
]}

Xue, Peng ^{[1
]}

Qi, Hui ^{[3
]}

Wu, Yunpeng ^{[1
]}

Teng, Yifei ^{[1
]}

Zhang, Yuwan ^{[1
]}

Liu, Yan ^{[2
]}

Zhao, Xudong ^{[1
]}

Liu, Xiaoyang ^{[1
]}

机构：

[1] Jilin Univ, Coll Chem, State Key Lab Inorgan Synth & Preparat Chem, 2699 Qianjin St, Changchun 130012, Peoples R China

[2] Jilin Inst Chem Technol, Dept Chem & Pharmaceut Engn, 45 Chengde St, Jilin 132022, Jilin, Peoples R China

[3] Jilin Univ, Hosp 2, Changchun 130012, Peoples R China

来源：

CHEMISTRYSELECT | 2020年 / 5卷 / 01期

基金：

中国国家自然科学基金;

关键词：

hydrothermal synthesis; Microwave; MoS2; nanoflower; Ag nanoparticles; malachite green; Raman spectroscopy; ENHANCED RAMAN-SCATTERING; RAPID DETECTION; SUBSTRATE; COMPOSITE; CATALYSTS; GRAPHENE;

D O I：

10.1002/slct.201903924

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The hybrid plasmon composition based on MoS2 has been extensively studied as a higher disposition surface enhanced Raman scattering (SERS) substrate. In this paper, a novel silver nanoparticle based SERS substrate was developed via in situ microwave synthesis approach on a three dimensional (3D) MoS2 nanoflower (MoS2 NF/ Ag NPs). The prepared SERS sensor has strong SERS activity on malachite green (MG), the Raman enhancement factor (EF) is as high as 1.46x10(12). The standard Raman signal peak of MG at 1618 cm(-1) has a good linear relationship at 10(-12) - 10(-2) molL(-1). The limit of detection (LOD) was calculated as approximately 10(-14) molL(-1), which shows the good prospects for MG's microtests. In addition, the SERS sensor still shows good SERS performance stability after 112 days, which improves the shelf life of the SERS sensor and can be effectively applied to fishery water monitoring.

引用

页码：354 / 359

页数：6

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