Positive-feedback organic light-emitting diodes and upconverters

IF 32.3 1区 物理与天体物理 Q1 OPTICS Nature Photonics Pub Date : 2024-09-13 DOI:10.1038/s41566-024-01520-0
Raju Lampande, Jon-Paul S. DesOrmeaux, Adrian Pizano, Jonathon R. Schrecengost, Robert Cawthorn, Hunter Bowman, Alex Grede, Urcan Guler, John W. Hamer, Noel C. Giebink
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Abstract

Organic light-emitting diodes (OLEDs) are among the most successful organic electronic devices so far. They currently dominate the mobile display market and are expanding into a broad range of lighting, automotive and wearable device applications. Here we introduce a new class of organic light-emitting device that exhibits bistability owing to positive photonic feedback between an organic photodiode and a tandem OLED integrated in the same layer stack. These unusual devices display giant hysteresis in both their current and light emission, and respond sensitively to low-level external illumination, enabling optoelectronic upconversion with 100-fold photon-to-photon gain. Given their compatibility with existing OLED materials and manufacturing lines, these devices could find near-term use in new types of display and upconversion imaging applications, as well as offer a new platform for neuromorphic optoelectronics and image recognition.

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正反馈有机发光二极管和上变频器
有机发光二极管(OLED)是迄今为止最成功的有机电子设备之一。它们目前主导着移动显示市场,并正在向照明、汽车和可穿戴设备等广泛应用领域扩展。在这里,我们介绍了一种新型有机发光器件,由于有机光电二极管和串联有机发光二极管集成在同一层堆栈中,两者之间的光子正反馈作用,这种器件表现出双稳态性。这些不寻常的器件在电流和光发射方面都显示出巨大的滞后性,并对低水平的外部光照做出灵敏反应,从而实现了光子到光子增益 100 倍的光电上转换。由于这些器件与现有的有机发光二极管材料和生产线兼容,因此可在短期内用于新型显示和上转换成像应用,并为神经形态光电子学和图像识别提供一个新平台。
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来源期刊
Nature Photonics
Nature Photonics 物理-光学
CiteScore
54.20
自引率
1.70%
发文量
158
审稿时长
12 months
期刊介绍: Nature Photonics is a monthly journal dedicated to the scientific study and application of light, known as Photonics. It publishes top-quality, peer-reviewed research across all areas of light generation, manipulation, and detection. The journal encompasses research into the fundamental properties of light and its interactions with matter, as well as the latest developments in optoelectronic devices and emerging photonics applications. Topics covered include lasers, LEDs, imaging, detectors, optoelectronic devices, quantum optics, biophotonics, optical data storage, spectroscopy, fiber optics, solar energy, displays, terahertz technology, nonlinear optics, plasmonics, nanophotonics, and X-rays. In addition to research papers and review articles summarizing scientific findings in optoelectronics, Nature Photonics also features News and Views pieces and research highlights. It uniquely includes articles on the business aspects of the industry, such as technology commercialization and market analysis, offering a comprehensive perspective on the field.
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