Quantum Dot LEDs: Stretchable Organometal‐Halide‐Perovskite Quantum‐Dot Light‐Emitting Diodes (Adv. Mater. 22/2019)

Li, Yunfei; Chou, Shu-Yu; Huang, Peng; Xiao, Changtao; Liu, Xiaofeng; Xie, Yongchun; Zhao, Fangchao; Huang, Yongjun; Feng, Jing; Zhong, Haizheng; Sun, Hong‐Bo; Pei, Qibing

doi:10.1002/adma.201970157

Cited by 15 publications

(21 citation statements)

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“…[156] The AgNW percolation networks were embedded in the PI substrate (1-2 µm) to form an ultrathin transparent conductive electrode with excellent chemical stability against organic solvents. [157] After multiple successive solution processes and Al electrode deposition, the substrate was conformably attached to pre-strained 3M-VHB tape to create a buckling structure with a small bending radius of 70 µm (Figure 15a). The stretchable MHP-based LEDs showed a low turn-on voltage (V on ) of 3.2 V (Figure 15b), the maximum luminance of 3187 cd m −2 at 9 V, and can retain the device performance with tensile strain up to 50% (Figure 15c).…”

Section: Metal-halide Perovskites Ledsmentioning

confidence: 99%

Advancements in Electronic Materials and Devices for Stretchable Displays

Lee

Cho

Yoon

et al. 2023

Adv Materials Technologies

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A stretchable display would be the ultimate form factor for the next generation of displays beyond the curved and foldable configurations that have enabled the commercialization of deformable electronic applications. However, because conventional active devices are very brittle and vulnerable to mechanical deformation, appropriate strategies must be developed from the material and structural points of view to achieve the desired mechanical stretchability without compromising electrical properties. In this regard, remarkable findings and achievements in stretchable active materials, geometrical designs, and integration enabling technologies for various types of stretchable electronic elements have been actively reported. This review covers the recent developments in advanced materials and feasible strategies for the realization of stretchable electronic devices for stretchable displays. In particular, representative strain‐engineering technologies for stretchable substrates, electrodes, and active devices are introduced. Various state‐of‐the‐art stretchable active devices such as thin‐film transistors and electroluminescent devices that consist of stretchable matrix displays are also presented. Finally, the future perspectives and challenges for stretchable active displays are discussed.

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Section: Metal-halide Perovskites Ledsmentioning

confidence: 99%

Advancements in Electronic Materials and Devices for Stretchable Displays

Lee

Cho

Yoon

et al. 2023

Adv Materials Technologies

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“…The geometrically stretchable PeLED was first achieved using the an ultrathin polyimide (PI) substrate of 1–2 µm with silver nanowire (AgNW) embedded into it. [ 241 ] The electrode was then transferred onto a pre‐stretched elastomer adhesive (VHB 4905) with 50% of strain. To enhance the hole injection and reduce the hole injection barrier, a molecularly blended hole transport layer was used.…”

Section: Applications Of Nanoscale Emittersmentioning

confidence: 99%

“…The geometrically stretchable PeLED showed only a 25% loss in the EL intensity after 1000 cycles of stretching at 50% of strain. [ 241 ]…”

Section: Applications Of Nanoscale Emittersmentioning

confidence: 99%

Progress and Prospects of Nanoscale Emitter Technology for AR/VR Displays

Park

Keum

Zhou

et al. 2022

Adv Materials Technologies

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Augmented reality (AR) and virtual reality (VR) are emerging interactive technologies that realize the “metaverse,” leading to a totally new digital interactive experience in daily life in various aspects. In order to provide users with a more immersive experience, displays for AR/VR have rapidly evolved to achieve high resolutions and a large color gamut on small panels. Recently, nanoscale light emitters such as quantum dots (QDs) and metal halide perovskites (MHPs) with high photoluminescence quantum efficiency and color purity levels have garnered much attention as color conversion materials in AR/VR displays. However, the low material stability and the absence of a high‐resolution patterning process that does not impair the optical properties of nanoscale emitters act as obstacles preventing the realization of high‐resolution AR/VR displays. Here, the state‐of‐the‐art technologies constituting current AR/VR devices are reviewed from an industrial point of view and the recent progress in QD and MHP emitter technologies are discussed, including their basic structural properties, synthesis strategies to enhance the stability, advanced patterning technologies, down‐conversion and light‐emitting diode applications. Based on the review, the authors’ perspective on future research directions of nanoscale emitters for next‐generation AR/VR displays is presented.

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“…[ 15 ] For example, the excellent performance of perovskite LEDs (Pe‐LEDs) and hybrid LEDs based on inorganic quantum dots (QDs) and perovskites in the near‐infrared (NIR) region may bring about new applications in biomedical diagnosis and a variety of wearable electronic devices. [ 16 ]…”

Section: Introductionmentioning

confidence: 99%

Environmentally Friendly Perovskite‐Based Photovoltaics and Luminescence: Lead Less or Lead Free

Zhu,

Liu,

Sun

et al. 2023

Solar RRL

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Lead‐based metal halide perovskite materials have been rapidly developed for light‐emitting diodes, solar cells and photodetectors owing to their excellent optoelectronic properties. Nevertheless, the presence of lead in these materials raises critical concerns regarding their environmental impact and potential toxicity, hindering their commercial development. In response to these concerns, researchers have devoted considerable effort towards the development of environmentally‐friendly perovskites. In this review, the theoretical evolution path and characteristics of lead‐substituted perovskites are first emphasized, as they contribute to the development of high‐performance lead‐free halide perovskites. Additionally, the current investigation of lead‐less and lead‐free perovskites including synthesis, optoelectronic properties and applications are systematic summarized. Notably, we emphasize the positive effects of both lead‐less and lead‐free perovskites on structure, optoelectronic properties, and associated devices in comparison to their lead‐based counterpart. Finally, we identify potential opportunities and challenges for future research into environmentally‐friendly perovskites and their applications.This article is protected by copyright. All rights reserved.

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Quantum Dot LEDs: Stretchable Organometal‐Halide‐Perovskite Quantum‐Dot Light‐Emitting Diodes (Adv. Mater. 22/2019)

Cited by 15 publications

References 0 publications

Advancements in Electronic Materials and Devices for Stretchable Displays

Advancements in Electronic Materials and Devices for Stretchable Displays

Progress and Prospects of Nanoscale Emitter Technology for AR/VR Displays

Environmentally Friendly Perovskite‐Based Photovoltaics and Luminescence: Lead Less or Lead Free

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