Results 21 to 30 of about 157,666 (280)
Reducing the impact of Auger recombination in quasi-2D perovskite light-emitting diodes
Nature Communications, 2021 Designing efficient perovskite light-emitting diodes remains a challenge due to the strong Auger recombination and resulting Joule heating. Here, the authors propose polarizable p-fluorophenethylammonium to generate quasi-2D perovskites with reduced ...
Yuanzhi Jiang +10 more
doaj +1 more source
Recent Advances in Silver Nanowires Electrodes for Flexible Organic/Perovskite Light-Emitting Diodes
Frontiers in Chemistry, 2022 Flexible organic light-emitting diodes and perovskite light-emitting diodes (PeLEDs) have been investigated as an innovative category of revolutionary LED devices for next-generation flat display and lighting applications.
Shuping Hou +8 more
doaj +1 more source
Improved resolution Fourier ptychography scheme using oil‐filled dome‐shaped LED array
Electronics Letters, 2022 Utilising angular‐varied illumination in Fourier Ptychography, the resolution of optical microscopes can be increased and the phase of the sample can also be recovered while maintaining a wide field‐of‐view.
Mahdieh Gholami Mayani +3 more
doaj +1 more source
Nano Convergence, 2019 White organic/polymer light emitting diode (WOLED/WPLED) processed from solution has attracted significant research interest in recent years due to their low device production cost, device flexibility, easy fabrication over large area including roll to ...
Dipjyoti Das +4 more
doaj +1 more source
A UV-LED module that is highly effective at inactivating human coronaviruses and HIV-1
Virology Journal, 2022 Ultraviolet (UV) light has previously been established as useful method of disinfection, with demonstrated efficacy to inactivate a broad range of microorganisms. The advent of ultraviolet light-emitting diodes provides advantages in ease of disinfection,
Arvin T. Persaud +5 more
doaj +1 more source
Anisotropic materials in OLEDs for high outcoupling efficiency [PDF]
, 2015 We present the results of an optical study in which we evaluate the effect of anisotropic electron transport layers (ETL) and anisotropic hole transport layers (HTL) on the outcoupling efficiency of bottom emitting organic light emitting diodes (OLEDs ...
Callens, Michiel +2 more
core +1 more source
Improved Charge Injection and Transport of Light-Emitting Diodes Based on Two-Dimensional Materials
Applied Sciences, 2019 Light-emitting diodes (LEDs) are considered to be the most promising energy-saving technology for future lighting and display. Two-dimensional (2D) materials, a class of materials comprised of monolayer or few layers of atoms (or unit cells), have ...
Yuanming Zhou +6 more
doaj +1 more source
Confocal microphotoluminescence of InGaN-based light-emitting diodes [PDF]
, 2005 Spatially resolved photoluminescence (PL) of InGaN/GaN/AlGaN-based quantum-well-structured light-emitting diodes (LEDs) with a yellow-green light (530 nm) and an amber light (600 nm) was measured by using confocal microscopy.
Akio Kaneta +8 more
core +2 more sources
GaN-nanopillar-based light-emitting diodes directly grown on multi-crystalline Si substrates
AIP Advances, 2021 For the first time, light-emitting diodes based on gallium nitride nanopillar crystals were prepared directly on a multi-crystalline silicon substrate, which is widely utilized in low-cost solar cells.
Yuichi Sato +4 more
doaj +1 more source
, 2010 The magnetic field effects on the carrier mobilities and recombination in tri-(8-hydroxyquinoline)-aluminum (Alq3) based light-emitting diodes have been measured by the method of transient electroluminescence.
Hu, Bin +3 more
core +1 more source