Results 41 to 50 of about 1,745 (212)

An electrical and infrared controllable color emission quantum dot light-emitting diode

AIP Advances, 2022
Infrared-to-visible upconversion (IVU) possesses a variety of applications, spanning from bio-imaging to anti-counterfeiting, and has attracted great attention.
Zun-Hong Jiang, Hsia Yu Lin, Yang Fang Chen   +2 more
doaj   +1 more source

Flexible CdSe/ZnS Quantum-Dot Light-Emitting Diodes with Higher Efficiency than Rigid Devices

Micromachines, 2022
Fabrication of high-performance, flexible quantum-dot light-emitting diodes (QLEDs) requires the reliable manufacture of a flexible transparent electrode to replace the conventional brittle indium tin oxide (ITO) transparent electrode, along with ...
Mijin Kim, Dongjin Kim, Ohun Kwon, Honyeon Lee   +3 more
doaj   +1 more source

All-Inorganic Red-Light Emitting Diodes Based on Silicon Quantum Dots

Crystals, 2019
We report herein an all-inorganic quantum dot light emitting diode (QLED) where an optically active layer of crystalline silicon (Si) is mounted. The prototype Si-QLED has an inverted device architecture of ITO/ZnO/QD/WO3/Al multilayer, which was ...
Batu Ghosh, Naoto Shirahata
doaj   +1 more source

The trigger system of the NOMAD experiment [PDF]

, 1998
The NOMAD trigger system is described in the present paper. It is made up of a largearea plastic scintillator veto system, two trigger scintillator planes inside a 0.4~Tmagnetic field and their associated trigger electronics.
Altegoer, J, Andrle, J, Boyd, S, Cardini, A, Farthouat, Philippe, Ferrari, R, Geppert, D, Gössling, C, Huta, W, Hyett, N, Koch, N, Lanza, A, Long, J, Moorhead, G F, Poolmann, D, Poulsen, C, Rubbia, André, Schmidt, B, Soler, F J P, Steele, D, Varvell, K E, Voullieme, A, Weisse, T, Winton, L J, Yabsley, B D   +24 more
core   +1 more source

Comparison among Various Expressions of Complex Admittance for Quantum System in Contact with Heat Reservoir [PDF]

, 2009
Relation among various expressions of the complex admittance for quantum systems in contact with heat reservoir is studied. Exact expressions of the complex admittance are derived in various types of formulations of equations of motion under contact with
A. Abragam, A. G. Redfield, A. Ogasahara, C. J. Gorter, Chikako Uchiyama, E. Zavoisky, K. Yosida, M. A. Nielsen, M. Saeki, Mizuhiko Saeki, R. Kubo, Seiji Miyashita, Takashi Mori, W. H. Louisell   +13 more
core   +1 more source

Research Progress and Applications of Non‐Carrier‐Injection Electroluminescence

Advanced Electronic Materials, EarlyView.
Non‐carrier‐injection electroluminescence (NCI‐EL) uses AC fields and displacement currents to trigger light from internal charge reservoirs, enabling minimalist emitters with remotely coupled terminals. This review maps shared mechanisms across organics, GaN, quantum dots, and TMDCs, compares planar, interdigital, single‐terminal, and coaxial designs,
Wei Huang, Jianbi Le, Rong Chen, Zhixian Lin, Xiongtu Zhou, Yongai Zhang, Chaoxing Wu   +6 more
wiley   +1 more source

Unraveling the efficiency losses and improving methods in quantum dot-based infrared up-conversion photodetectors

Opto-Electronic Science
Quantum dot-based up-conversion photodetector, in which an infrared photodiode (PD) and a quantum dot light-emitting diode (QLED) are back-to-back connected, is a promising candidate for low-cost infrared imaging.
Jiao Jiao Liu, Xinxin Yang, Qiulei Xu, Ruiguang Chang, Zhenghui Wu, Huaibin Shen   +5 more
doaj   +1 more source

Intense Light Treatment of Inkjet‐Printed Metal Oxide Hole Injection Layer for Quantum Dot Light‐Emitting Diodes

Journal of the Society for Information Display, EarlyView.
An intense pulsed light (IPL) process enables low‐temperature activation of inkjet‐printed MoOX hole injection layers while preserving the hydrophobicity of pixel defining layers (PDLs). This approach overcomes process incompatibility in multilayer inkjet‐printed QLEDs, achieving uniform thin‐film morphology and stable pixel patterning.
Jae Yeong Jeong, Seok Hwan Jang, Jin Hong Park, Sung Jun Park, Jaebum Jeong, Beomgyu Kim, Sunghyun Park, Heesun Yang, Jun Young Kim   +8 more
wiley   +1 more source

Surface‐Engineered ZnO Nanoparticles via Acetone Immersion for Charge‐Balanced High Resolution Full‐Color Organic Light Emitting Diode Displays

Small, EarlyView.
Acetone post‐immersion of OLEDs effectively passivates oxygen vacancies in the ZnO electron transport layer, reducing charge trapping and enhancing electron injection. This improves hole‐blocking at the interface and decreases exciton quenching in the emission layer, resulting in significantly enhanced electrical and optical device performance ...
Changhee Lee, Hyo‐Bin Kim, Ryungyu Lee, Yunjae Shin, Tae‐Hyeon Kim, Jang‐Kun Song, Hojin Lee   +6 more
wiley   +1 more source

Solution-processed quantum-dot light-emitting diodes combining ultrahigh operational stability, shelf stability, and luminance

npj Flexible Electronics, 2022
The shelf-stability issue, originating from the ZnO-induced positive aging effect, poses a significant challenge to industrializing the display technology based on solution-processed quantum-dot light-emitting diodes (QLEDs).
Zi Ye, Mengyu Chen, Xingtong Chen, Wenchen Ma, Xiaojuan Sun, Longjia Wu, Xiongfeng Lin, Yu Chen, Song Chen   +8 more
doaj   +1 more source