Au nanoparticles-coated TiO2 SERS active substrate studies-based on plasmonic photonic interference coupling

被引：5
|
作者：
Antony, M. Steffi [1 ]
Hyam, Rajeshkumar Shankar [1 ]
机构：
[1] Goa Univ, Sch Phys & Appl Sci, Taleigao Plateau 403206, Goa, India
来源：
MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS | 2023年 / 298卷
关键词：
Titanium dioxide nanotubes; Gold nanoparticles (AuNPs); Plasmonic-photonic interference coupling (P-PIC); Rhodamine 6G (R6G); SERS; ENHANCED RAMAN-SCATTERING; TITANIUM-DIOXIDE; NANOROD ARRAYS; SURFACE; FABRICATION; SPECTRA; GROWTH; AG;
D O I：
10.1016/j.mseb.2023.116885
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this work, gold nanoparticles coated titanium dioxide surface-enhanced Raman scattering (SERS) substrates were fabricated and tested. Amorphous titanium dioxide nanotubes with different geometry were prepared by anodization and subsequent spin-coating of gold nanoparticles is done. SERS signal enhancement for the effective detection of rhodamine 6G molecules is studied using these substrates. SERS enhancement factor of the substrates was dependent on the geometry of nanotubes and plasmonic photonic interference coupling (P-PIC). Analytical SERS enhancement factor of the substrates was estimated with respect to reference materials.
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页数：9
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