Results 41 to 50 of about 9,073 (189)

Modelling Molecular Emitters in Organic Light Emitting Diodes with the Quantum Mechanical Bespoke Force Field

open access: yes, 2021
Combined molecular dynamics (MD) and quantum mechanics (QM) simulation procedures have gained popularity in modelling the spectral properties of functional organic molecules.
Michael C., Payne   +4 more
core   +1 more source

Improved Charge Injection and Transport of Light-Emitting Diodes Based on Two-Dimensional Materials

open access: yesApplied 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

High-current Injection and Transport on Order of kA/cm^2 in Organic Light-emitting Diodes Having Mixed Organic/Organic Heterojunction Interfaces [PDF]

open access: yes, 2007
We manufactured multilayer organic light-emitting diodes (OLEDs) with mixed organic/organic heterojunction interfaces composed of alpha-sexithiophene and phenyldipyrenylphosphine oxide carrier-transporting layers.
Matsushima, Toshinori, Adachi, Chihaya
core   +1 more source

Influence of cavity thickness and emitter orientation on the efficiency roll-off of phosphorescent organic light-emitting diodes

open access: yes, 2014
This article describes the first systematic investigation of how the efficiency roll-off in organic light-emitting diodes (OLEDs) is influenced by the position and orientation of the emitter molecules within the OLED cavity.
Gather, Malte Christian   +3 more
core   +1 more source

A platform for blue-luminescent carbon-centered radicals

open access: yesNature Communications, 2022
Organic radicals, which have unique doublet spin-configuration, provide an alternative method to overcome the efficiency limitation of organic light-emitting diodes (OLEDs) but extending their fluorescence into a short-wavelength region remains ...
Xin Li   +4 more
doaj   +1 more source

Synthesis and charaterisation of phosphorescent copper (I) complexes for light emitting devices [PDF]

open access: yes, 2013
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.Over the last decade, many significant developments have been made to improve the active materials in a new generation of organic light emitting devices ...
Andrés-Tomé, María Inmaculada
core  

Enhancing the photoluminescence quantum yields of blue-emitting cationic iridium(III) complexes bearing bisphosphine ligands

open access: yes, 2016
EZ-C acknowledges the University of St Andrews for financial support. We thank Johnson Matthey and Umicore AG for the gift of materials and Cihang Yu for the preparation of isopropxantphos. We thank Dr. Nail Shaveleev for the synthesis of NMS25. IDWS and
Henwood, Adam Francis   +11 more
core   +1 more source

Highly Luminescent Dinuclear Platinum(II) Complexes Incorporating Bis-Cyclometallating Pyrazine-Based Ligands: A Versatile Approach to Efficient Red Phosphors [PDF]

open access: yes, 2013
A series of luminescent dinuclear platinum(II) complexes incorporating diphenylpyrazine-based bridging ligands ((LH2)-H-n) has been prepared. Both 2,5-diphenylpyrazine ((LH2)-H-2) and 2,3-diphenylpyrazine ((LH2)-H-3) are able to undergo cyclometalation ...
Durrant, Marcus   +9 more
core   +1 more source

Complexos de rutênio aplicados em OLEDs: síntese e caracterização [PDF]

open access: yes, 2015
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas, Programa de Pós-Graduação em Física, Florianópolis, 2015.Complexos de metais de transição (MT) têm se mostrado promissores para aplicações eletro ...
Salla, Cristian Andrey Momoli
core  

Electrical and optical analyses of tandem organic light-emitting diodes with organic charge-generation layer

open access: yesAIP Advances, 2018
The electrical and optical properties of tandem organic light-emitting diodes (OLEDs), in which a fluorescent and phosphorescent emitting units are connected by an organic charge-generation layer (CGL), were experimentally analyzed.
Bong Sung Kim   +3 more
doaj   +1 more source

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