SERS of thiabendazole on silver-gold bimetallic nanoparticles: Adsorption mechanism

被引：1
|
作者：
Chinh, Vu Duc [1 ,2 ]
Van, Nguyen Thuy [1 ]
Binh, Pham Thanh [1 ]
机构：
[1] Vietnam Acad Sci & Technol, Inst Mat Sci, 18 Hoang Quoc Viet St, Cau Giay Dist, Ha Noi, Vietnam
[2] Vietnam Acad Sci & Technol, Grad Univ Sci & Technol, 18 Hoang Quoc Viet, Cau Giay Dist, Hanoi, Vietnam
来源：
CHEMICAL PHYSICS LETTERS | 2023年 / 829卷
关键词：
Thiabendazole; SERS; Gold; -silver; Bimetallic;
D O I：
10.1016/j.cplett.2023.140760
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Au-Ag bimetallic nanoparticles (BNPs) with varying molar fractions as Au0.2Ag0.8 and Au0.3Ag0.7 are prepared on porous silicon. They were demonstrated as surface-enhanced Raman scattering (SERS) substrate for the detection of thiabendazole (TBZ) molecules. The concentration of TBZ investigated is 10-7 M. The effect of the Au content on SERS properties of the Au-Ag BNPs was studied. Furthermore, the composition dependent SERS spectra and adsorption mechanism of TBZ on Au-Ag BNPs surfaces were discussed.
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页数：3
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