Journal
NANOSCALE
Volume 5, Issue 8, Pages 3514-3519Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3nr33613a
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Funding
- National Basic Research Program of China [2011CB933600, 2013CB328806]
- NSFC [51003005]
- BIT Excellent Young Scholars Research Fund
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Here we explored the possibility of using CuInS2-based nanocrystals as colour converting materials for light-emitting applications. Using a mixture of red and green emissive CuInS2-based nanocrystals, we successfully fabricated high colour rendering white light-emitting diodes with surface mounted devices and high-power types. The devices exhibit improved luminous efficiency, high colour rendering index and tunable colour temperature. In particular, the low-power surface mounted devices have a luminous efficiency of similar to 70 lm W-1, CRI of similar to 95 and tunable colour temperature of 4600-5600 K, which makes the CuInS2-based nanocrystals promising candidates for commercial applications.
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