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Highly tunable multiple narrow emissions of dyed dielectric-metal core-shell resonators: towards efficient fluorescent labels
- Source :
- Nanotechnology. 30(6)
- Publication Year :
- 2018
-
Abstract
- We report a potential efficient fluorescent label based on the dyed dielectric-metal core–shell resonators (DMCSRs). By utilizing the near-field coupling between the dyes and the multipolar sharp cavity plasmon resonances, the dyed DMCSRs with diameter of 1.02 μm are demonstrated to be capable of supporting multiple spontaneous emission peaks with the linewidths as narrow as ~ 10 nm in visible range, and these reshaped fluorescent emissions are insensitive to the surrounding dielectric environment. Furthermore, these multiple narrow emission peaks show a precise tunability on the spectrum by simply separating a nanometric dielectric layer between the dielectric core and the metallic shell, which may provide an attractive spectral multiplexing strategy in the fields of cell biology and medical sciences.
- Subjects :
- Coupling
Materials science
business.industry
Mechanical Engineering
Shell (structure)
Physics::Optics
Bioengineering
02 engineering and technology
General Chemistry
Dielectric
010402 general chemistry
021001 nanoscience & nanotechnology
01 natural sciences
Fluorescence
0104 chemical sciences
Core (optical fiber)
Resonator
Mechanics of Materials
Optoelectronics
General Materials Science
Spontaneous emission
Electrical and Electronic Engineering
0210 nano-technology
business
Plasmon
Subjects
Details
- ISSN :
- 13616528
- Volume :
- 30
- Issue :
- 6
- Database :
- OpenAIRE
- Journal :
- Nanotechnology
- Accession number :
- edsair.doi.dedup.....7860b756aa356c37dce38257966cad7f