Long-term stable stacked CsPbBr3 quantum dot films for highly efficient white light generation in LEDs

Young Hyun Song; Jin Sun Yoo; Bong Kyun Kang; Seung Hee Choi; Eun Kyung Ji; Hyun Suk Jung; Dae Ho Yoon

doi:10.1039/C6NR07410C

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Long-term stable stacked CsPbBr₃ quantum dot films for highly efficient white light generation in LEDs†

Young Hyun Song,‡^a Jin Sun Yoo,‡^a Bong Kyun Kang,‡^a Seung Hee Choi,‡^a Eun Kyung Ji,^b Hyun Suk Jung*^a and Dae Ho Yoon*^ab

Author affiliations

* Corresponding authors

^a School of Advanced Materials Science and Engineering, Sungkyunkwan University, Suwon 440-746, Republic of Korea
E-mail: dhyoon@skku.edu, hsjung1@skku.edu

^b SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Suwon 440-746, Republic of Korea

Abstract

We report highly efficient ethyl cellulose with CsPbBr₃ perovskite QD films for white light generation in LED application. Ethyl cellulose with CsPbBr₃ quantum dots is applied with Sr₂Si₅N₈ : Eu²⁺ red phosphor on an InGaN blue chip, achieving a highly efficient luminous efficacy of 67.93 lm W⁻¹ under 20 mA current.

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Article information

DOI: https://doi.org/10.1039/C6NR07410C
Article type: Communication
Submitted: 20 Sep 2016
Accepted: 31 Oct 2016
First published: 02 Nov 2016

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Nanoscale, 2016,8, 19523-19526

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Long-term stable stacked CsPbBr₃ quantum dot films for highly efficient white light generation in LEDs

Y. H. Song, J. S. Yoo, B. K. Kang, S. H. Choi, E. K. Ji, H. S. Jung and D. H. Yoon, Nanoscale, 2016, 8, 19523 DOI: 10.1039/C6NR07410C

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