Results 231 to 240 of about 7,775,448 (290)

High-Efficient Cs₂AgBiBr₆ Perovskite Solar Cells with Rare-Earth-Doped Absorber and Front Contact: A Numerical Modeling in SCAPS-1D Framework. [PDF]

Molecules
Danladi E, Thomas D, Adamu BI, Motloung SV, Dhlamini MS.   +4 more
europepmc   +1 more source

Covalent-Organic Framework with Unconventional D-D Structure for Efficient Photocatalytic Uranium Extraction. [PDF]

Molecules
Xu D, Du X, Zhou B, Chen L, Li M, Wu Q, Liu J, Tang S, Peng G.   +8 more
europepmc   +1 more source

Simulation of the light extraction efficiency of nanostructure light-emitting diodes

Chinese Physics B, 2011
The light extraction efficiencies have been calculated for various InGaN/GaN multiple quantum well nanostructure light-emitting diodes including nanopillar, nanorough of P-GaN surface, coreshell and nano-interlayer structure. From the calculated results we can see that the light extraction efficiency is remarkably improved in the nanostructures ...
Ji-Hong Zhu, Liang-Ji Wang, Shu-Ming Zhang, Hui Wang, De-Gang Zhao, Jian-Jun Zhu, Zong-Shun Liu, De-Sheng Jiang, Hui Yang   +8 more
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Characterization of light extraction efficiency for WOLEDS with light‐out‐coupling layer

Journal of the Society for Information Display, 2015
AbstractWe studied the light extraction efficiencies of white organic light‐emitting diodes with a light‐out‐coupling layer by simulations and experiments. The light extraction efficiencies estimated by the simulation were confirmed to agree well with those measured by the experiments.
M. Harada, H. Wakana, S. Ishihara, S. Nobuki, H. Sakuma, M. Kawasaki, S. Aratani   +6 more
exaly   +3 more sources

Light Extraction Efficiency Part B. Light Extraction of High Efficient LEDs

2013
This chapter deals with methods for fabricating high efficient light-emitting diodes (LEDs) with higher light extraction efficiency (LEE). Some LED prototypes are then reviewed to investigate how their performance was enhanced by utilizing a variety of chip processes.
Ja-Yeon Kim, Tak Jeong, Sang Hern Lee, Hwa Sub Oh, Hyung Jo Park, Sang-Mook Kim, Jong Hyeob Baek   +6 more
openaire   +1 more source

Improvement for the Light Extraction Efficiency of LightEmitting Diodes

ACTA PHOTONICA SINICA, 2010
The impact of the refractive index and thickness of substrate on the light extraction efficiency of flip-chip LED is analyzed through simulation analysis.And a new diamond-shaped structure is proposed.The results show that the light extraction efficiency is improved to a good purpose in the diamond-shaped LED,resulting in an increase in the light ...
熊伟平 XIONG Weiping, 范广涵 FAN Guanghan, 李琦 LI Qi   +2 more
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Telling Secrets in the Light: An Efficient Key Extraction Mechanism Via Ambient Light

IEEE Transactions on Wireless Communications, 2021
Due to the benefits of small latency, low energy consumption and increased data rate, device-to-device (D2D) communication is recognized as one of the promising techniques in the 5G era. However, the distributed nature of D2D communication makes it non-trivial to generate symmetric keys for the involving parties.
Youjing Lu, Fan Wu 0006, Qianyi Huang, Shaojie Tang 0001, Guihai Chen   +4 more
openaire   +2 more sources

Interplay of sidewall damage and light extraction efficiency of micro-LEDs

Optics Letters, 2022
This Letter describes the impact of shape on micro light-emitting diodes (µLEDs), analyzing 400 µm2 area µLEDs with various mesa shapes (circular, square, and stripes). Appropriate external quantum efficiency (EQE) can yield internal quantum efficiency (IQE) which decreases with increasing peripheral length of the mesas.
Jeong-Hwan Park, Markus Pristovsek, Wentao Cai, Heajeong Cheong, Takeru Kumabe, Dong-Seon Lee, Tae-Yeon Seong, Hiroshi Amano   +7 more
openaire   +2 more sources