Investigating Morphology and Stability of Fac‐tris (2‐phenylpyridyl) iridium (III) Films for OLEDs

ARG Smith, JL Ruggles, H Cavaye… - Advanced Functional …, 2011 - Wiley Online Library
Stable film morphology is critical for long‐term high performance organic light‐emitting
diodes (OLEDs). Neutron reflectometry (NR) is used to study the out‐of‐plane structure of …

[HTML][HTML] Understanding charge transport in Ir (ppy) 3: CBP OLED films

S Sanderson, B Philippa, G Vamvounis… - The Journal of …, 2019 - pubs.aip.org
Ir (ppy) 3: CBP blends have been widely studied as the emissive layer in organic light
emitting diodes (OLEDs), yet crucial questions about charge transport within the layer …

Diffusion–the hidden menace in organic optoelectronic devices

ARG Smith, KH Lee, A Nelson, M James… - Advanced …, 2012 - Wiley Online Library
years,[12] yet the degradation processes that occur over time, particularly under thermal
stress, are not well understood.[13, 14] That is, the efficiency of a device will degrade over …

Screening structure–property correlations and device performance of Ir (III) complexes in multi-layer PhOLEDs

N Tian, D Lenkeit, S Pelz, D Kourkoulos, D Hertel… - Dalton …, 2011 - pubs.rsc.org
The structure–property correlations of a set of heteroleptic red-and green-emitting Ir (III)
complexes with different temperature sensitivities and charge trapping capabilities are …

fac-Tris (2-phenylpyridine) iridium (III) s, covalently surrounded by six bulky host dendrons, for a highly efficient solution-processed organic light emitting device

YJ Pu, N Iguchi, N Aizawa, H Sasabe, K Nakayama… - Organic …, 2011 - Elsevier
The fully surrounded complexes by six host dendrons showed high photoluminescence
quantum efficiency in a neat film, comparable to in a dilute solution. The surrounding host …

Quantitative analysis of an organic thin film by XPS, AFM and FT‐IR

SM Park, H Yu, MG Park, SY Han… - Surface and …, 2012 - Wiley Online Library
We report the characterization of Firpic (iridium (III) bis [4, 6‐di‐fluorophenyl]‐pyridinato‐N,
C2,] picolinate) organic thin film prepared by vacuum deposition to provide a systematic …

Revealing the interplay between charge transport, luminescence efficiency, and morphology in organic light‐emitting diode blends

M Gao, T Lee, PL Burn, AE Mark… - Advanced Functional …, 2020 - Wiley Online Library
Phosphorescent emissive materials in organic light‐emitting diodes (OLEDs) manufactured
using evaporation are usually blended with host materials at a concentration of 3–15 wt% to …

Influence of electronic and steric effects of substituted ligands coordinated to Ir (III) complexes on the solution processed OLED properties

W Mróz, R Ragni, F Galeotti, E Mesto, C Botta… - Journal of Materials …, 2015 - pubs.rsc.org
Orange and green phosphorescent heteroleptic iridium complexes 1 and 2 [(1): iridium (III)
bis [2-(5′-benzylsulfonyl) phenylpyridinato-N, C2′](2, 4-decanedionate) and (2): iridium …

An inconvenient influence of iridium (III) isomer on OLED efficiency

E Baranoff, HJ Bolink, F De Angelis, S Fantacci… - Dalton …, 2010 - pubs.rsc.org
The recently reported heteroleptic cyclometallated iridium (III) complex [Ir (2-phenylpyridine)
2 (2-carboxy-4-dimethylaminopyridine)] N984 and its isomer N984b have been studied …

Diffusion at interfaces in OLEDs containing a doped phosphorescent emissive layer

JA McEwan, AJ Clulow, PE Shaw… - Advanced Materials …, 2016 - Wiley Online Library
A common feature of organic light‐emitting diodes is their stacked multilayer structure, which
is critical for efficient charge injection and transport, and light emission. In this study, it is …