Results 21 to 30 of about 1,710 (199)

Radion and Holographic Brane Gravity [PDF]

open access: yes, 2002
The low energy effective theory for the Randall-Sundrum two brane system is investigated with an emphasis on the role of the non-linear radion in the brane world. The equations of motion in the bulk is solved using a low energy expansion method.
A. Das   +44 more
core   +2 more sources

High efficiency green InP quantum dot light-emitting diodes by balancing electron and hole mobility

open access: yesCommunications Materials, 2021
Developing green-emitting InP quantum dot light-emitting diodes (QLED) is lagging behind their red and green counterparts. Here, green InP quantum dots are prepared and incorporated into a QLED so to promote hole transport and reduce electron mobility ...
Wei-Chih Chao   +9 more
doaj   +1 more source

Stable, Efficient, and All-Solution-Processed Quantum Dot Light-Emitting Diodes with Double-Sided Metal Oxide Nanoparticle Charge Transport Layers [PDF]

open access: yes, 2013
Cataloged from PDF version of article.An efficient and stable quantum dot light-emitting diode (QLED) with double-sided metal oxide (MO) nanoparticle (NP) charge transport layers is fabricated by utilizing the solution-processed tungsten oxide (WO3) and ...
Demir, H. V.   +9 more
core   +1 more source

Atomically thin quantum light-emitting diodes [PDF]

open access: yes, 2016
Transition metal dichalcogenides are optically active, layered materials promising for fast optoelectronics and on-chip photonics. We demonstrate electrically driven single-photon emission from localized sites in tungsten diselenide and tungsten ...
Atatüre, M   +11 more
core   +4 more sources

Yb:MoO3/Ag/MoO3 Multilayer Transparent Top Cathode for Top-Emitting Green Quantum Dot Light-Emitting Diodes

open access: yesNanomaterials, 2020
In this study, we report on the application of a dielectric/ultra-thin metal/dielectric (DMD) multilayer consisting of ytterbium (Yb)-doped molybdenum oxide (MoO3)/silver (Ag)/MoO3 stacked as the transparent cathode in top-emitting green quantum dot ...
Chun-Yu Lee   +6 more
doaj   +1 more source

Progress in the development of the display performance of AR, VR, QLED and OLED devices in recent years

open access: yesJournal of Information Display, 2022
The remarkable progress of virtual reality, augmented reality, quantum dot light-emitting diode, and organic light-emitting diode as next-generation displays has overcome the leadership of the liquid crystal display during the last two years.
Ho Jin Jang   +4 more
doaj   +1 more source

Quantifying Losses in Open-Circuit Voltage in Solution-Processable Solar Cells [PDF]

open access: yes, 2015
The maximum open-circuit voltage of a solar cell can be evaluated in terms of its ability to emit light. We herein verify the reciprocity relation between the electroluminescence spectrum and subband-gap quantum efficiency spectrum for several ...
Bryant, Daniel   +10 more
core   +1 more source

Light extraction efficiency enhancement of colloidal quantum dot light-emitting diodes using large-scale nanopillar arrays [PDF]

open access: yes, 2014
Cataloged from PDF version of article.A colloidal quantum dot light-emitting diode (QLED) is reported with substantially enhanced light extraction efficiency by applying a layer of large-scale, low-cost, periodic nanopillar arrays. Zinc oxide nanopillars
Dang, C.   +10 more
core   +1 more source

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

open access: yesAIP 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   +2 more
doaj   +1 more source

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

open access: yesMicromachines, 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   +3 more
doaj   +1 more source

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