Regulating Charge and Exciton Distribution in High-Performance Hybrid White Organic Light-Emitting Diodes with n-Type Interlayer Switch

Luo, Dongxiang; Yang, Yun; Xiao, Ye; Zhao, Yu; Yang, Yibin; Liu, Baiquan

doi:10.1007/s40820-017-0138-4

Cited by 40 publications

(25 citation statements)

References 46 publications

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“…Then the degradation progresses at a lower rate. A proper encapsulation in inert atmosphere [17,18] of the devices is found to be effective in preventing oxygen and water molecules (extrinsic factors) from diffusing into the organic layers. In fact chemical reactions with oxygen and water molecules are the dominant degradation mechanism in air.…”

Section: Discussionmentioning

confidence: 99%

Donor/Acceptor Heterojunction Organic Solar Cells

et al. 2020

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The operation and the design of organic solar cells with donor/acceptor heterojunction structure and exciton blocking layer is outlined and results of their initial development and assessment are reported. Under halogen lamp illumination with 100 mW/cm2 incident optical power density, the devices exhibits an open circuit voltage VOC = 0.45 V, a short circuit current density JSC between 2 and 2.5 mA/cm2 with a fill factor FF ≈ 50%, an external quantum efficiency (electrons/s over incident photons/s) EQE ≈ 5% and a power conversion efficiency of about 0.5%. Measurements of the photoelectrical characteristics with time are also reported, confirming that non encapsulated organic solar cells have limited stability in ambient atmosphere.

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Section: Discussionmentioning

confidence: 99%

Donor/Acceptor Heterojunction Organic Solar Cells

et al. 2020

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“…According to the number of EMLs, the device architectures can be simply classified into two kinds, namely multi-EML and single-EML WOLEDs [127][128][129][130][131][132]. Compared with multi-EML WOLEDs, the structures, fabrication procedures and device engineering of single-EML WOLEDs are relatively simple.…”

Section: Single-eml Woleds Utilizing Blue Tadf Host and Complementarymentioning

confidence: 99%

Emergence of White Organic Light-Emitting Diodes Based on Thermally Activated Delayed Fluorescence

Xiao

Dong²,

Xie

et al. 2018

Applied Sciences

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Recently, thermally activated delayed fluorescence (TADF) organic light-emitting diodes (OLEDs) have attracted both academic and industrial interest due to their extraordinary characteristics, such as high efficiency, low driving voltage, bright luminance, lower power consumption and potentially long lifetime. In this invited review, the fundamental concepts of TADF have been firstly introduced. Then, main approaches to realize WOLEDs based on TADF have been summarized. More specifically, the recent development of WOLEDs based on all TADF emitters, WOLEDs based on TADF and conventional fluorescence emitters, hybrid WOLEDs based on blue TADF and phosphorescence emitters and WOLEDs based on TADF exciplex host and phosphorescence dopants is highlighted. In particular, design strategies, device structures, working mechanisms and electroluminescent processes of the representative WOLEDs based on TADF are reviewed. Finally, challenges and opportunities for further enhancement of the performance of WOLEDs based on TADF are presented.

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“…The introduction of n-type interlayers was demonstrated to be an effective strategy to develop high-performance hybrid WOLEDs [ 195 , 196 , 197 ]. For example, the influence of n-type interlayers was investigated by Liu et al [ 198 ].…”

Section: Hybrid Woledsmentioning

confidence: 99%

Strategies to Achieve High-Performance White Organic Light-Emitting Diodes

Zhang

Luo

et al. 2017

Materials

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As one of the most promising technologies for next-generation lighting and displays, white organic light-emitting diodes (WOLEDs) have received enormous worldwide interest due to their outstanding properties, including high efficiency, bright luminance, wide viewing angle, fast switching, lower power consumption, ultralight and ultrathin characteristics, and flexibility. In this invited review, the main parameters which are used to characterize the performance of WOLEDs are introduced. Subsequently, the state-of-the-art strategies to achieve high-performance WOLEDs in recent years are summarized. Specifically, the manipulation of charges and excitons distribution in the four types of WOLEDs (fluorescent WOLEDs, phosphorescent WOLEDs, thermally activated delayed fluorescent WOLEDs, and fluorescent/phosphorescent hybrid WOLEDs) are comprehensively highlighted. Moreover, doping-free WOLEDs are described. Finally, issues and ways to further enhance the performance of WOLEDs are briefly clarified.

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Regulating Charge and Exciton Distribution in High-Performance Hybrid White Organic Light-Emitting Diodes with n-Type Interlayer Switch

Cited by 40 publications

References 46 publications

Donor/Acceptor Heterojunction Organic Solar Cells

Donor/Acceptor Heterojunction Organic Solar Cells

Emergence of White Organic Light-Emitting Diodes Based on Thermally Activated Delayed Fluorescence

Strategies to Achieve High-Performance White Organic Light-Emitting Diodes

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