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- Title
Charge Transfer in Patterned Bilayer Film of Ag/ZnS Composite by Magnetron Control Sputtering.
- Authors
Zhang, Yongjun; Zhou, Hailong; Liang, Lijun
- Abstract
Ordered heterojunction nanocap arrays composed of the bilayer film Ag/ZnS were prepared onto ordered two-dimensional polystyrene bead arrays by magnetron control sputtering, and the surface morphologies were tuned by changing the ZnS thickness. When the ZnS thickness varied from 10 to 30 nm with a Ag thickness of 5 nm, the roughness of the bilayer film Ag/ZnS increased obviously. The UV–VIS spectra showed the shifted LSPR peaks with ZnS thickness, which was attributed to the changes of the electron density as confirmed by Hall effect analysis. SERS observations confirmed the charge transfer process for the varied electromagnetic couplings when the ZnS thickness changed.
- Subjects
HALL effect; MAGNETIC coupling; ELECTRON density; ELECTROMAGNETIC coupling; SURFACE morphology; MAGNETRON sputtering; CHARGE transfer
- Publication
Molecules, 2022, Vol 27, Issue 12, p3805
- ISSN
1420-3049
- Publication type
Article
- DOI
10.3390/molecules27123805