Journal
MICRO & NANO LETTERS
Volume 6, Issue 11, Pages 878-880Publisher
INST ENGINEERING TECHNOLOGY-IET
DOI: 10.1049/mnl.2011.0345
Keywords
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Funding
- National Natural Science Foundation of China [11074037]
- Research Fund for the Doctoral Program of Higher Education [20090092120032]
- SEU [4007021037, 3207021201]
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The authors synthesised the silica-coated multi-core SiC nanocrystal composites and studied their photoluminescence (PL) properties. The core-shell nanostructures exhibited strong luminescence stemming from quantum confinement effect with a tunable wavelength ranging from 418 to 439 nm under different excitations. The assembled thin film of the close-packed nanocomposites showed blue PL with substantially improved intensity relative to that of the pure SiC nanocrystals film. These robust blue emitting SiC/SiO2 core-shell nanostructures can serve as microlight sources with wide application potential in optoelectronics and life sciences.
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