Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/88361
Title: Regulating charge and exciton distribution in high-performance hybrid white organic light-emitting diodes with n-type interlayer switch
Authors: Luo, Dongxiang
Yang, Yanfeng
Xiao, Ye
Zhao, Yu
Yang, Yibin
Liu, Baiquan
Keywords: White Light
Hybrid
DRNTU::Engineering::Electrical and electronic engineering
Issue Date: 2017
Source: Luo, D., Yang, Y., Xiao, Y., Zhao, Y., Yang, Y., & Liu, B. (2017). Regulating charge and exciton distribution in high-performance hybrid white organic light-emitting diodes with n-type interlayer switch. Nano-Micro Letters, 9(4), 37-. doi:10.1007/s40820-017-0138-4
Series/Report no.: Nano-Micro Letters
Abstract: The interlayer (IL) plays a vital role in hybrid white organic light-emitting diodes (WOLEDs); however, only a negligible amount of attention has been given to n-type ILs. Herein, the n-type IL, for the first time, has been demonstrated to achieve a high efficiency, high color rendering index (CRI), and low voltage trade-off. The device exhibits a maximum total efficiency of 41.5 lm W−1, the highest among hybrid WOLEDs with n-type ILs. In addition, high CRIs (80–88) at practical luminances (≥1000 cd m−2) have been obtained, satisfying the demand for indoor lighting. Remarkably, a CRI of 88 is the highest among hybrid WOLEDs. Moreover, the device exhibits low voltages, with a turn-on voltage of only 2.5 V (>1 cd m−2), which is the lowest among hybrid WOLEDs. The intrinsic working mechanism of the device has also been explored; in particular, the role of n-type ILs in regulating the distribution of charges and excitons has been unveiled. The findings demonstrate that the introduction of n-type ILs is effective in developing high-performance hybrid WOLEDs.
URI: https://hdl.handle.net/10356/88361
http://hdl.handle.net/10220/45780
ISSN: 2311-6706
DOI: 10.1007/s40820-017-0138-4
Rights: © 2017 The Author(s). This article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:EEE Journal Articles

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