Emergence of Nanoplatelet Light-Emitting Diodes

Xiao, Peng; Huang, Junhua; Yan, Dong; Luo, Dongxiang; Yuan, Jian; Liu, Baiquan

doi:10.3390/ma11081376

Cited by 41 publications

(35 citation statements)

References 176 publications

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“…The introduction of a doping-free technique or solution-processed fabrication method is expected to be useful. After solving the aforementioned problems, the prospect of mass production for tandem WOLEDs will be possible and the proposed solutions are also beneficial to the related optoelectronic field (e.g., display, lighting, laser, solar cell, photodetectors and sensors) [233,234,235,236,237,238].…”

Section: Discussionmentioning

confidence: 99%

Recent Developments in Tandem White Organic Light-Emitting Diodes

Xiao

Huang

et al. 2019

Molecules

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Tandem white organic light-emitting diodes (WOLEDs) are promising for the lighting and displays field since their current efficiency, external quantum efficiency and lifetime can be strikingly enhanced compared with single-unit devices. In this invited review, we have firstly described fundamental concepts of tandem device architectures and their use in WOLEDs. Then, we have summarized the state-of-the-art strategies to achieve high-performance tandem WOLEDs in recent years. Specifically, we have highlighted the developments in the four types of tandem WOLEDs (i.e., tandem fluorescent WOLEDs, tandem phosphorescent WOLEDs, tandem thermally activated delayed fluorescent WOLEDs, and tandem hybrid WOLEDs). Furthermore, we have introduced doping-free tandem WOLEDs. In the end, we have given an outlook for the future development of tandem WOLEDs.

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Section: Discussionmentioning

confidence: 99%

Recent Developments in Tandem White Organic Light-Emitting Diodes

Xiao

Huang

et al. 2019

Molecules

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“…For instance, the lifetime of hybrid WOLEDs can exceed >30,000 h at 1000 cd m −2 [209]. Particularly, as "warm-white" OLEDs have recently demonstrated with high efficiency and stability [210][211][212], it may be helpful to develop exciplex-based WOLEDs based on this technology, enhancing their potential in the optoelectronic applications [213][214][215]. Therefore, more stable donor and acceptor materials should be urgently explored.…”

Section: Discussionmentioning

confidence: 99%

Recent Advances of Exciplex-Based White Organic Light-Emitting Diodes

Xiao

Huang

et al. 2018

Applied Sciences

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Recently, exciplexes have been actively investigated in white organic light-emitting diodes (WOLEDs), since they can be effectively functioned as (i) fluorescent or thermally activated delayed fluorescent (TADF) emitters; (ii) the hosts of fluorescent, phosphorescent and TADF dopants. By virtue of the unique advantages of exciplexes, high-performance exciplex-based WOLEDs can be achieved. In this invited review, we have firstly described fundamental concepts of exciplexes and their use in organic light-emitting diodes (OLEDs). Then, we have concluded the primary strategies to develop exciplex-based WOLEDs. Specifically, we have emphasized the representative WOLEDs using exciplex emitters or hosts. In the end, we have given an outlook for the future development of exciplex-based WOLEDs.

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“…Since Joo et al used a low-temperature solution-phase strategy to synthesize the first 2D CdSe nanoribbons/CQWs showing a wurtzite structure 1D confinement in 2006 [ 98 ] and Dubertret et al prepared 2D zinc blende CQWs in 2008 [ 99 ], various colloidal synthesis pathways have been reported to engineer the electronic structure and optical characteristic of CQWs. Nowadays, apart from the core-only structures, CQWs with heterostructures are available (e.g., core/shell CQWs, core/crown CQWs, and core/crown/shell CQWs), which greatly widen the application range of CQW emitters [ 100 , 101 , 102 ]. In particular, the recently developed hot-injection shell growth technique enables CQWs with near-unity PLQY, which renders CQWs able to yield desirable performance in both lasers and LEDs [ 103 , 104 , 105 ].…”

Section: Fundamental Concepts Of Impurity-doped Nanocrystal Ledsmentioning

confidence: 99%

Emergence of Impurity-Doped Nanocrystal Light-Emitting Diodes

Luo

Wang

Qiu³

et al. 2020

Nanomaterials

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In recent years, impurity-doped nanocrystal light-emitting diodes (LEDs) have aroused both academic and industrial interest since they are highly promising to satisfy the increasing demand of display, lighting, and signaling technologies. Compared with undoped counterparts, impurity-doped nanocrystal LEDs have been demonstrated to possess many extraordinary characteristics including enhanced efficiency, increased luminance, reduced voltage, and prolonged stability. In this review, recent state-of-the-art concepts to achieve high-performance impurity-doped nanocrystal LEDs are summarized. Firstly, the fundamental concepts of impurity-doped nanocrystal LEDs are presented. Then, the strategies to enhance the performance of impurity-doped nanocrystal LEDs via both material design and device engineering are introduced. In particular, the emergence of three types of impurity-doped nanocrystal LEDs is comprehensively highlighted, namely impurity-doped colloidal quantum dot LEDs, impurity-doped perovskite LEDs, and impurity-doped colloidal quantum well LEDs. At last, the challenges and the opportunities to further improve the performance of impurity-doped nanocrystal LEDs are described.

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Emergence of Nanoplatelet Light-Emitting Diodes

Cited by 41 publications

References 176 publications

Recent Developments in Tandem White Organic Light-Emitting Diodes

Recent Developments in Tandem White Organic Light-Emitting Diodes

Recent Advances of Exciplex-Based White Organic Light-Emitting Diodes

Emergence of Impurity-Doped Nanocrystal Light-Emitting Diodes

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