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Keywords = Z-shaped Ag nanorods

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13 pages, 3865 KiB  
Article
3D SERS Substrate of Z-Shaped Ag Nanorod Array for Thiabendazole Detection
by Yongjun Zhang, Xiaoyu Zhao, Deyuan Mao, Jiahong Wen, Renxian Gao and Yaxin Wang
Molecules 2023, 28(20), 7078; https://doi.org/10.3390/molecules28207078 - 13 Oct 2023
Cited by 1 | Viewed by 1446
Abstract
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 [...] Read more.
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. Full article
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