Monte Carlo study of efficiency roll-off of phosphorescent organic light-emitting diodes: Evidence for dominant role of triplet-polaron quenching

H Van Eersel, PA Bobbert, RAJ Janssen… - Applied Physics …, 2014 - pubs.aip.org
We present an advanced molecular-scale organic light-emitting diode (OLED) model,
integrating both electronic and excitonic processes. Using this model, we can reproduce the …

Designing highly luminescent aryloxy-benzothiadiazole derivatives with aggregation-induced enhanced emission

A Pazini, L Maqueira, F da Silveira Santos… - Dyes and …, 2020 - Elsevier
A series of luminescent aryloxy-benzothiadiazole derivatives with architectures ArO-BTD-
Ar'and ArO-BTD-NAr'were synthetized. The aim was to achieve a molecular design based …

Efficiency enhancement of organic light emitting diode via surface energy transfer between exciton and surface plasmon

A Kumar, R Srivastava, P Tyagi, DS Mehta… - Organic …, 2012 - Elsevier
Organic light emitting diodes (OLEDs) with surface plasmon (SP) enhanced emission have
been fabricated. Gold nanoclusters (GNCs) deposited using thermal evaporation technique …

Effect of Förster-mediated triplet-polaron quenching and triplet-triplet annihilation on the efficiency roll-off of organic light-emitting diodes

H Van Eersel, PA Bobbert, RAJ Janssen… - Journal of Applied …, 2016 - pubs.aip.org
We report the results of a systematic study of the interplay of triplet-polaron quenching (TPQ)
and triplet-triplet annihilation (TTA) on the efficiency roll-off of organic light-emitting diodes …

Highly efficient, simplified monochrome and white organic light‐emitting devices based on novel exciplex host

R Sheng, A Li, F Zhang, J Song… - Advanced Optical …, 2020 - Wiley Online Library
The exciplex co‐host system is one of the most promising candidates for develo**
phosphorescent organic light‐emitting diodes (OLEDs) with high performance. However …

Organic electroluminescent element and electronic device

T Ogiwara, K Yoshida, R Hashimoto… - US Patent 9,905,779, 2018 - Google Patents
An organic electroluminescence device includes: an anode; an emitting layer; and a
cathode, the emitting layer containing a first material, a second material and a third material …

Photoinduced energy transfer in a conformationally flexible Re (I)/Ru (II) dyad probed by time-resolved infrared spectroscopy: Effects of Conformation and Spatial …

TL Easun, WZ Alsindi, M Towrie, KL Ronayne… - Inorganic …, 2008 - ACS Publications
The dyad RuLRe contains {Re (bpy)(CO) 3Cl} and {Ru (bpy)(bpyam) 2} 2+ termini (bpy= 2,
2′-bipyridine; bpyam= 4, 4′-diethylamido-2, 2′-bipyridine) separated by a flexible …

Luminescence and Time-Resolved Infrared Study of Dyads Containing (Diimine)Ru(4,4′-diethylamido-2,2′-bipyridine)2 and (Diimine)Ru(CN)4 Moieties: Solvent …

TL Easun, WZ Alsindi, N Deppermann… - Inorganic …, 2009 - ACS Publications
The exploitation of the dramatic negative solvatochromism of the [Ru (bipy)(CN) 4] moiety
(bipy= 2, 2′-bipyridine) allows a change in solvent to reverse the direction of photoinduced …

Emission properties of porphyrin compounds in new polymeric PS: CBP host

MR Jafari, B Bahrami - Applied Physics A, 2015 - Springer
In this study, a device with fundamental structure of ITO/PEDOT: PSS (60 nm)/PS: CBP (70
nm)/Al (150 nm) was fabricated. The electroluminescence spectrum of device designated a …

Ultrafast transient absorption microscopy: Study of excited state dynamics in PtOEP crystals

D Davydova, A de la Cadena, S Demmler, J Rothhardt… - Chemical Physics, 2016 - Elsevier
We report a novel transient absorption microscope based on a tailor-made femtosecond
fiber laser system operating at 250 kHz. The setup is applied to study PtOEP crystals …