Abstract
Au@SnO2 core-shell nanoparticles dispersed in poly-(vinyl) alcohol films were fabricated on glass substrate by employing dip-coating technique. The structure and morphology of the films were investigated by X-ray diffraction technique and field-emission transmission electron microscopy, respectively. Optical properties of the films were studied by UV-visible spectroscopy. Surface plasmon spectrum of the core-shell nanoparticles film remained unaltered with increase in the number of layers. However, gold nanoparticles films have shown peak broadening and shifting with increase in the number of layers. Our investigations showed that the surface plasmon band of the gold nanoparticles could be tailored and preserved by controlled deposition of tin dioxide shell.
| Original language | English |
|---|---|
| Pages (from-to) | 758-764 |
| Number of pages | 7 |
| Journal | Journal of Materials Science: Materials in Electronics |
| Volume | 21 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - 2010 Aug |
| Externally published | Yes |
Bibliographical note
Funding Information:Acknowledgments This work was supported by Eco-Techopia 21 Project (Korea Ministry of Environment) and Post BK21 program from the Ministry of Education and Human Resources Development.
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Condensed Matter Physics
- Electrical and Electronic Engineering