Liu, Y., Cui, J., Du, K., Tian, H., He, Z., Zhou, Q., Yang, Z., Deng, Y., Chen, D., Zuo, X., Ren, Y., Wang, L., Zhu, H., Zhao, B., Di, D., Wang, J., Friend, R. H., & Jin, Y. (2019). Efficient blue light-emitting diodes based on quantum-confined bromide perovskite nanostructures. Nature Photonics, 13(11), 760-764. https://doi.org/10.1038/s41566-019-0505-4
Liu, Yang ; Cui, Jieyuan ; Du, Kai et al. / Efficient blue light-emitting diodes based on quantum-confined bromide perovskite nanostructures. In: Nature Photonics. 2019 ; Vol. 13, No. 11. pp. 760-764.
@article{83aadfcd14d141098d2c05272964914b,
title = "Efficient blue light-emitting diodes based on quantum-confined bromide perovskite nanostructures",
abstract = "The emergence of inorganic–organic hybrid perovskites, a unique class of solution-processable crystalline semiconductors, provides new opportunities for large-area, low-cost and colour-saturated light-emitting diodes (LEDs) ideal for display and solid-state lighting applications1. However, the performance of blue perovskite LEDs (PeLEDs)2–11 is far inferior to that of their near-infrared, red and green counterparts12–19, strongly limiting the practicality of the PeLED technology. Here, we demonstrate blue PeLEDs emitting at 483 nm with colour coordinates of (0.094, 0.184) and operating with a peak external quantum efficiency of up to 9.5% at a luminance of 54 cd m–2. The devices have a T50 lifetime of 250 s for an initial brightness of 100 cd m–2. The efficient blue electroluminescence originates from a structure of quantum-confined perovskite nanoparticles embedded within quasi-two-dimensional phases with higher bandgaps, prepared by an antisolvent processing scheme. Our work paves the way towards high-performance PeLEDs in the blue region.",
author = "Yang Liu and Jieyuan Cui and Kai Du and He Tian and Zhuofei He and Qiaohui Zhou and Zhaoliang Yang and Yunzhou Deng and Dong Chen and Xiaobing Zuo and Yang Ren and Liang Wang and Haiming Zhu and Baodan Zhao and Dawei Di and Jianpu Wang and Friend, {Richard H.} and Yizheng Jin",
note = "Publisher Copyright: {\textcopyright} 2019, The Author(s), under exclusive licence to Springer Nature Limited.",
year = "2019",
month = nov,
day = "1",
doi = "10.1038/s41566-019-0505-4",
language = "English",
volume = "13",
pages = "760--764",
journal = "Nature Photonics",
issn = "1749-4885",
publisher = "Nature Publishing Group",
number = "11",
}
Liu, Y, Cui, J, Du, K, Tian, H, He, Z, Zhou, Q, Yang, Z, Deng, Y, Chen, D, Zuo, X, Ren, Y, Wang, L, Zhu, H, Zhao, B, Di, D, Wang, J, Friend, RH & Jin, Y 2019, 'Efficient blue light-emitting diodes based on quantum-confined bromide perovskite nanostructures', Nature Photonics, vol. 13, no. 11, pp. 760-764. https://doi.org/10.1038/s41566-019-0505-4
Efficient blue light-emitting diodes based on quantum-confined bromide perovskite nanostructures. / Liu, Yang; Cui, Jieyuan; Du, Kai et al.
In:
Nature Photonics, Vol. 13, No. 11, 01.11.2019, p. 760-764.
Research output: Contribution to journal › Letter › peer-review
TY - JOUR
T1 - Efficient blue light-emitting diodes based on quantum-confined bromide perovskite nanostructures
AU - Liu, Yang
AU - Cui, Jieyuan
AU - Du, Kai
AU - Tian, He
AU - He, Zhuofei
AU - Zhou, Qiaohui
AU - Yang, Zhaoliang
AU - Deng, Yunzhou
AU - Chen, Dong
AU - Zuo, Xiaobing
AU - Ren, Yang
AU - Wang, Liang
AU - Zhu, Haiming
AU - Zhao, Baodan
AU - Di, Dawei
AU - Wang, Jianpu
AU - Friend, Richard H.
AU - Jin, Yizheng
N1 - Publisher Copyright:
© 2019, The Author(s), under exclusive licence to Springer Nature Limited.
PY - 2019/11/1
Y1 - 2019/11/1
N2 - The emergence of inorganic–organic hybrid perovskites, a unique class of solution-processable crystalline semiconductors, provides new opportunities for large-area, low-cost and colour-saturated light-emitting diodes (LEDs) ideal for display and solid-state lighting applications1. However, the performance of blue perovskite LEDs (PeLEDs)2–11 is far inferior to that of their near-infrared, red and green counterparts12–19, strongly limiting the practicality of the PeLED technology. Here, we demonstrate blue PeLEDs emitting at 483 nm with colour coordinates of (0.094, 0.184) and operating with a peak external quantum efficiency of up to 9.5% at a luminance of 54 cd m–2. The devices have a T50 lifetime of 250 s for an initial brightness of 100 cd m–2. The efficient blue electroluminescence originates from a structure of quantum-confined perovskite nanoparticles embedded within quasi-two-dimensional phases with higher bandgaps, prepared by an antisolvent processing scheme. Our work paves the way towards high-performance PeLEDs in the blue region.
AB - The emergence of inorganic–organic hybrid perovskites, a unique class of solution-processable crystalline semiconductors, provides new opportunities for large-area, low-cost and colour-saturated light-emitting diodes (LEDs) ideal for display and solid-state lighting applications1. However, the performance of blue perovskite LEDs (PeLEDs)2–11 is far inferior to that of their near-infrared, red and green counterparts12–19, strongly limiting the practicality of the PeLED technology. Here, we demonstrate blue PeLEDs emitting at 483 nm with colour coordinates of (0.094, 0.184) and operating with a peak external quantum efficiency of up to 9.5% at a luminance of 54 cd m–2. The devices have a T50 lifetime of 250 s for an initial brightness of 100 cd m–2. The efficient blue electroluminescence originates from a structure of quantum-confined perovskite nanoparticles embedded within quasi-two-dimensional phases with higher bandgaps, prepared by an antisolvent processing scheme. Our work paves the way towards high-performance PeLEDs in the blue region.
UR - http://www.scopus.com/inward/record.url?scp=85070808304&partnerID=8YFLogxK
U2 - 10.1038/s41566-019-0505-4
DO - 10.1038/s41566-019-0505-4
M3 - Letter
AN - SCOPUS:85070808304
SN - 1749-4885
VL - 13
SP - 760
EP - 764
JO - Nature Photonics
JF - Nature Photonics
IS - 11
ER -
Liu Y, Cui J, Du K, Tian H, He Z, Zhou Q et al. Efficient blue light-emitting diodes based on quantum-confined bromide perovskite nanostructures. Nature Photonics. 2019 Nov 1;13(11):760-764. doi: 10.1038/s41566-019-0505-4