Superhydrophobic SERS substrates based on silver dendrite-decorated filter paper for trace detection of nitenpyram

被引：69

作者：

Wang, Qinzhi ^{[1
,2
]}

Liu, Yingnan ^{[2
]}

Bai, Yaowen ^{[2
]}

Yao, Siyu ^{[2
]}

Wei, Zijie ^{[2
]}

Zhang, Min ^{[2
]}

Wang, Liming ^{[1
]}

Wang, Li ^{[2
]}

机构：

[1] Guangzhou Univ, Adv Inst Engn Sci Intelligent Mfg, Sch Chem & Chem Engn, Guangzhou 510006, Guangdong, Peoples R China

[2] Northwest A&F Univ, Coll Food Sci & Engn, Yangling 712100, Shaanxi, Peoples R China

来源：

ANALYTICA CHIMICA ACTA | 2019年 / 1049卷

关键词：

Superhydrophobicity; Surface-enhanced Raman scattering; Filter paper; Silver dendrites; Nitenpyram; ENHANCED RAMAN-SPECTROSCOPY; PESTICIDE-RESIDUES; QUANTITATIVE DETECTION; RAPID DETECTION; GC-MS; FABRICATION; MELAMINE; FRUITS; NANOSTRUCTURES; RESISTANT;

D O I：

10.1016/j.aca.2018.10.039

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

In the present work, highly sensitive Raman detection of nitenpyram using superhydrophobic filter paper as substrates is introduced. The process is simple, and efficient. By sequentially coating silver dendrites and Octyltrimethoxysilane (OTMOS) on filter paper, we produced highly active surface-enhanced Raman scattering (SERS) substrates which show advancing and receding water contact angles of theta(A)/theta(R) = 159 degrees/156 degrees. Nitenpyram, a type of pesticides popularly used in agriculture, can be easily detected with the detection limit as low as 1 nM using the superhydrophobic filter paper as SERS substrates, which validates their use in Raman applications. (C) 2018 Elsevier B.V. All rights reserved.

引用

页码：170 / 178

页数：9

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