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- Title
Thickness-Dependent NIR LSPR of Curved Ag/TiS2 Bilayer Film.
- Authors
Zhang, Yongjun; Zhang, Fan; Wang, Yaxin
- Abstract
We demonstrated that the localized surface plasmon resonance (LSPR) features of Ag/TiS2 nanostructures were dependent on the sublayer thickness. The Ag/TiS2 bilayer film was obtained by the self-assembly method and magnetron sputtering. The thickness was controlled by changing the sputtering time when the sputtering powers were the same. When the Ag thickness decreased from 50 nm to 5 nm, the LSPR was tuned from the visible region to the Near Infrared (NIR) region. When the TiS2 thickness decreased from 60 nm to 2 nm, the LSPR shifted from the IR to NIR region. Analysis showed the thickness changes of Ag and TiS2 resulted in the changed carrier density, which led to the thickness-dependent shift of the LSPR.
- Subjects
SURFACE plasmon resonance; CARRIER density
- Publication
Molecules, 2020, Vol 25, Issue 19, p4551
- ISSN
1420-3049
- Publication type
Article
- DOI
10.3390/molecules25194551