Results 1 to 10 of about 1,745 (212)

Significant Lifetime Enhancement in QLEDs by Reducing Interfacial Charge Accumulation via Fluorine Incorporation in the ZnO Electron Transport Layer

Nano-Micro Letters, 2022
ZnO nanoparticles are widely used for the electron transport layers (ETLs) of quantum dots light emitting devices (QLEDs). In this work we show that incorporating fluorine (F) into the ZnO ETL results in significant enhancement in device ...
Dong Seob Chung, Tyler Davidson-Hall, Giovanni Cotella, Quan Lyu, Peter Chun, Hany Aziz   +5 more
doaj   +1 more source

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

, 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., Demir, H. V., Dev, K., Liu, S., Mutlugun, E., Sun, X. W., Tan, S. T., Tang, Y., Wang, J., Yang, X., Zhao, Y.   +10 more
core   +1 more source

Highly Efficient All-Solution-Processed Quantum Dot Light-Emitting Diodes Using MoO_x Nanoparticle Hole Injection Layer

Nanomaterials, 2023
This paper presents a study that aims to enhance the performance of quantum dot light-emitting didoes (QLEDs) by employing a solution-processed molybdenum oxide (MoOx) nanoparticle (NP) as a hole injection layer (HIL).
Ji-Hun Yang, Gyeong-Pil Jang, Su-Young Kim, Young-Bin Chae, Kyoung-Ho Lee, Dae-Gyu Moon, Chang-Kyo Kim   +6 more
doaj   +1 more source

On the degradation mechanisms of quantum-dot light-emitting diodes

Nature Communications, 2019
Wide application of quantum dot light emitting diodes (QLED) in display technology is hindered by the poor lifetime of the blue QLEDs. Here, the degradation mechanism is shown to originate from space charge accumulation in the electron-transporting layer
Song Chen, Weiran Cao, Taili Liu, Sai-Wing Tsang, Yixing Yang, Xiaolin Yan, Lei Qian   +6 more
doaj   +1 more source

Advances and Challenges in Heavy-Metal-Free InP Quantum Dot Light-Emitting Diodes

Micromachines, 2022
Light-emitting diodes based on colloidal quantum dots (QLEDs) show a good prospect in commercial application due to their narrow spectral linewidths, wide color range, excellent luminance efficiency, and long operating lifetime.
Xiaojie Jiang, Zhen Fan, Li Luo, Lishuang Wang   +3 more
doaj   +1 more source

Single photon emission and detection at the nanoscale utilizing semiconductor nanowires

, 2008
We report recent progress toward on-chip single photon emission and detection in the near infrared utilizing semiconductor nanowires. Our single photon emitter is based on a single InAsP quantum dot embedded in a p-n junction defined along the growth ...
Algra, Rienk, bakkers, Erik,, Barkelid, Maria, Björk, Mikael, Hocevar, Moïra, Kouwenhoven, Leo, Paez, Gonzalo, Reimer, Michael, Riel, Heike, Schmid, Heinz, Strojnik, Marija, van Kouwen, Maarten, van Weert, Maarten, Zwiller, Val   +13 more
core   +2 more sources

Waveguide Coupled Full-Color Quantum Dot Light-Emitting Diodes Modulated by Microcavities

Photonics
Integrated light-emitting diodes (LEDs) with waveguides play an important role in applications such as augmented reality (AR) displays, particularly regarding coupling efficiency optimization.
Yilan Zhang, Wenhao Wang, Fankai Zheng, Jiajun Zhu, Guanding Mei, Yuxuan Ye, Jieyu Tan, Hechun Zhang, Qiang Jing, Bin He, Kai Wang, Dan Wu   +11 more
doaj   +1 more source

Bromide Decorated Eco‐Friendly ZnSeTe/ZnSe/ZnS Quantum Dots for Efficient Blue Light‐Emitting Diodes

Advanced Materials Interfaces, 2023
Multi‐shelled ZnSeTe/ZnSe/ZnS quantum dots (QDs) have served as a promising eco‐friendly emitter for blue quantum dot light‐emitting diodes (QLEDs). While extensive studies have concentrated on the optimization of the shell species and thickness of the ...
Zhishuai Zheng, Zhenwei Ren, Wenlin Xia, Chengzhao Luo, Jie Li, Wenchen Ma, Huifeng Ji, Hengfei Shi, Yu Chen   +8 more
doaj   +1 more source

Effect of Solvents of Quantum Dots on QLED Performance

IOP Conference Series: Materials Science and Engineering, 2019
Abstract The QLED that we are making now, in addition to the evaporation of the a layer, the other layers are generally obtained by solution spin-coating. In our experiments, the selection strategies for quantum dots and adjacent layers of solvents were summarized.
Min Yang, Chun Chang, Wenjing Zhang, Zilei Liu, Qin Zhang   +4 more
openaire   +1 more source

DNA electrophoresis studied with the cage model [PDF]

, 2001
The cage model for polymer reptation, proposed by Evans and Edwards, and its recent extension to model DNA electrophoresis, are studied by numerically exact computation of the drift velocities for polymers with a length L of up to 15 monomers.
A. van Heukelum, Barkema, Barkema, Barkema, Barkema, Bisseling, Carlon, de Gennes, Duke, Duke, Duke, Duke, Evans, G.T. Barkema, Hill, Kolomeisky, Kooiman, Kooiman, Newman, Prähofer, R.H. Bisseling, Rubinstein, Valiant, van Heukelum, van Leeuwen, Widom   +25 more
core   +5 more sources