Abstract
Strong enhancement of photoluminescence is demonstrated for CdS nanocrystals and ruthenium-based dye (N719) due to localized surface plasmon resonance of silver nanowires placed on silver film. Alternative reasons for photoluminescence modulation such as mirror effect and uneven coating by dye or nanocrystals due to geometrical factors are discussed. An artifact such as carbon contamination at the surface of silver nanowires at high laser power is demonstrated and taken into consideration. Silver nanowire on silver film is proved to be an effective system for photoluminescence enhancement by localized surface plasmon resonance.
| Original language | English |
|---|---|
| Article number | 094008 |
| Journal | Physica Scripta |
| Volume | 90 |
| Issue number | 9 |
| DOIs | |
| Publication status | Published - 1 Sept 2015 |
Keywords
- confocal microscope
- nanocrystals
- nanowires
- photoluminescence enhancement
- plasmon resonance
OECD Field of Science
- 1.3 Physical Sciences
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