Organic infrared upconversion device

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August undefined, 2024

Witryna16 sie 2013 · This work reports the enhanced emission at 2.7 µm in Er3+/Ho3+-codoped fluorotellurite glass upon a conventional 980 nm laser diode. The significantly reduced green upconversion and 1.5 µm emission intensity in Er3+/Ho3+-codoped samples are observed. The results suggest that the Er3+: 4I13/2 state can be efficiently … WitrynaHere, high-performance near infrared to visible light organic up-conversion devices were developed by integrating a near-infrared polymer photodetector and a green …

Fibers Free Full-Text Er3+/Ho3+-Codoped Fluorotellurite …

Witryna13 cze 2024 · An efficient organic near-infrared (NIR) ... We also demonstrate that a pixel-less NIR imaging chip can be made simply by using a large area single tandem organic upconversion device. This work was supported by a grant from the National Natural Science Foundation of China (Grant Nos. U1402273 and 11774304), from the … Witryna24 mar 2024 · @article{Lee2024WaterStableAP, title={Water‐Stable and Photo‐Patternable Siloxane‐Encapsulated Upconversion Nanoparticles toward Flexible Near‐Infrared Phototransistors}, author={Injun Lee and Cheolmin Park and Tae Soo Kim and Minsoo Kang and Hyeongyeol Oh and Jinhyeong Jang and Jungjae Park and … joann weatherford

Improved Efficiency of Organic/Inorganic Hybrid Near-Infrared …

Witryna18 kwi 2011 · Abstract: Transparent organic upconversion devices are shown in a night-vision demonstration of a real object under near-infrared (NIR) illumination in the dark. An extraordinarily high current gain - reflecting the on-off switching effect - greater than 15 000 at a driving voltage of 3 V is demonstrated, indicating the high sensitivity … Witryna18 lis 2024 · Using this result, efficient upconversion, from near-infrared to visible light, can be realized on flexible organic thin films under a weak light-emitting-diode-induced excitation, observable by ... Witryna27 mar 2024 · upconversion devices, all-organic upconversion devices, inorganic semiconductor infrared Coatings 2024 , 12 , 456 3 of 20 detector and organic LED (OLED) hybrid optical upconverter (hybrid organic ... jo ann weatherford brooks henderson texas

Transparent Organic Upconversion Devices for Near‐Infrared …

Witryna21 paź 2024 · An efficient organic near-infrared (NIR) to visible upconversion imaging device is obtained by integrating a photoactive buffer layer between two organic light … Witryna1 sie 2024 · Here, we report an organic upconversion device composed of a single photoactive material ClAlPc for sensing infrared light and subsequent visualization by BCzPh:CN-T2T exciplex co-hosted phosphorescent light-emitting diode. ... Organic infrared upconversion device. Adv. Mater., 22 (2010), pp. 2260-2263, … joann ward palm beach gardensWitryna25 maj 2010 · Novel infrared-to-visible light upconversion devices are demonstrated by fabricating an organic light-emitting diode with an infrared-sensitizing layer. With a SnPc:C 60 mixed layer as an infrared absorber and fac-tris (2-phenylpyridinato) … jo ann weir

"WitrynaWe develop new materials and device concepts for all-organic upconverters, focussing on flexible and large-area solution-processed devices, narrowband NIR imaging as well as highly sensitive upconverters with a gain. Poster: Transparent organic infrared upconversion device with sensitivity beyond 1000 nm " - Organic infrared upconversion device

Organic infrared upconversion device

Transparent organic upconversion device targeting high- grade infrared …

WitrynaAn organic/inorganic hybrid up-conversion device was demonstrated in this work, which can convert near-infrared light (NIR) to visible green at high conversion efficiency. … Witryna22 lip 2024 · Organic upconversion devices convert photons from the infrared to the visible. The device response speed decreases when lowering the infrared light and can even decrease with increasing driving ...

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Witryna13 mar 2024 · We propose the use of an n-doped periodic AlN/GaN quantum cascade structure for the optical up-conversion of multiple near-infrared (near-IR) photons into deep-ultraviolet (deep-UV) radiation. Without applying an external bias voltage, the active region of such a device will (similar to an un-biased quantum cascade laser) … WitrynaEfficient light detection in the near-infrared (NIR) wavelength region is central to emerging applications such as medical imaging and machine vision. An organic upconverter (OUC) consists of a NIR-sensitive organic photodetector (OPD) and an visible organic light-emitting diode (OLED), connected in series. The device converts …

Witryna2 dni temu · Download Citation Divinylanthracene-Containing Tetracationic Organic Cyclophane with Near-Infrared Photoluminescence Near-infrared (NIR) light is known to have outstanding optical penetration ... Witryna1 sie 2024 · Here, we report an organic upconversion device composed of a single photoactive material ClAlPc for sensing infrared light and subsequent visualization by BCzPh:CN-T2T exciplex co-hosted phosphorescent light-emitting diode. Incident NIR signal (λmax at 780 nm) is upconverted into visible light emission (λ max at 523 nm) …

Witryna13 kwi 2024 · Shortwave infrared (SWIR) optical sensing and imaging are essential to an increasing number of next-generation applications in communications, process control …

WitrynaTriplet-triplet annihilation (TTA) is an energy transfer mechanism where two molecules in their triplet excited states interact to form a ground state molecule and an excited molecule in its singlet state. This mechanism is example of Dexter energy transfer mechanism. In triplet-triplet annihilation, one molecule transfers its excited state …

Witryna10 kwi 2024 · While using the 5% Eu doped IMHPs (CsPb 0.95 Eu 0.05 I 2 Br) in perovskite SCs, the optimal power-conversion efficiency of 13.71% was achieved, along with a stable power output of 13.34%. Moreover, the open-circuit voltage of the perovskite SCs was up to 1.27 eV, which devoted largely to the enhanced efficiency. joann webb obituaryWitryna25 maj 2010 · Novel infrared-to-visible light upconversion devices are demonstrated by fabricating an organic light-emitting diode with an infrared-sensitizing layer. With a … jo ann weatherfordWitryna13 kwi 2024 · Shortwave infrared (SWIR) optical sensing and imaging are essential to an increasing number of next-generation applications in communications, process control or medical imaging. An all-organic SWIR upconversion device (OUC) consists of an organic SWIR sensitive photodetector (PD) and an organic light-emitting diode … joann weekly flyerWitryna18 lut 2015 · Transparent organic upconversion devices are shown in a night-vision demonstration of a real object under near-infrared (NIR) illumination in the dark. An extraordinarily high current gain - reflecting the on-off switching effect - greater than 15 000 at a driving voltage of 3 V is demonstrated, indicating the high sensitivity to NIR … joann weaver obituaryWitryna26 sty 2024 · Most of the reported infrared upconversion devices need to be fabricated by high-cost vacuum deposition methods [35, 37, 45,46], and as for inorganic … instructional purposes in educationWitryna4 kwi 2024 · Triplet-triplet annihilation photon upconversion (TTA-UC) has received significant attention in energy harvesting applications such as solar cells. The realization of high upconversion (UC) performance in the form of films is a crucial factor for the incorporation of this technology into large-area devices. Herein, we propose a porous … instructional quality definitionWitryna1 lis 2024 · Among the reported Near-infrared (NIR) Organic upconversion devices (OUDs), the devices realized by utilizing NIR sensitive bulk heterojuntion (BHJ) as … instructional pyramid