Integration of CuInS2-based nanocrystals for high efficiency and high colour rendering white light-emitting diodes

Bingkun Chen, Haizheng Zhong*, Meixu Wang, Ruibin Liu, Bingsuo Zou

*Corresponding author for this work

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Abstract

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 ∼70 lm W-1, CRI of ∼95 and tunable colour temperature of 4600-5600 K, which makes the CuInS2-based nanocrystals promising candidates for commercial applications.

Original languageEnglish
Pages (from-to)3514-3519
Number of pages6
JournalNanoscale
Volume5
Issue number8
DOIs
Publication statusPublished - 21 Apr 2013

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Chen, B., Zhong, H., Wang, M., Liu, R., & Zou, B. (2013). Integration of CuInS2-based nanocrystals for high efficiency and high colour rendering white light-emitting diodes. Nanoscale, 5(8), 3514-3519. https://doi.org/10.1039/c3nr33613a