3D SERS Substrate of Z-Shaped Ag Nanorod Array for Thiabendazole Detection

被引：1

作者：

Zhang, Yongjun ^{[1
,2
]}

Zhao, Xiaoyu ^{[1
]}

Mao, Deyuan ^{[1
]}

Wen, Jiahong ^{[2
,3
]}

Gao, Renxian ^{[4
]}

Wang, Yaxin ^{[1
]}

机构：

[1] Hangzhou Dianzi Univ, Sch Mat & Environm Engn, Hangzhou 310018, Peoples R China

[2] Hangzhou Dianzi Univ, Shangyu Inst Sci & Engn, Shaoxing 312000, Peoples R China

[3] HangZhou DianZi Univ, Coll Elect & Informat, Hangzhou 310018, Peoples R China

[4] Xiamen Univ, Dept Phys, Xiamen 361005, Peoples R China

来源：

MOLECULES | 2023年 / 28卷 / 20期

基金：

中国国家自然科学基金;

关键词：

3D hotspot distribution; Z-shaped Ag nanorods; thiabendazole detection; RAPID DETECTION; RAMAN-SPECTRA; NANOSTRUCTURES; SPECTROSCOPY; PYRIDINE;

D O I：

10.3390/molecules28207078

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Ag nanoparticles sputtered on silicon wafer are used as masks for the fabrication of silicon columns by ion etching, which induces the growth of the inclined Ag nanorod by inclined Ag sputtering. V-shaped and Z-shaped Ag nanorods can be obtained by varying incline angles and deposition times. SERS detection and FDTD simulation are used to compare and investigate the enhanced electromagnetic coupling of incline nanorod arrays with different shapes in three-dimensional space, which indicates that Z-shaped nanorods show good SERS properties. The Z-shaped Ag nanorod array is used as a SERS substrate for the detection of thiabendazole with a concentration down to 10-11 M.

引用

页数：13

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