Toward high efficiency organic light‐emitting diodes: role of nanoparticles

DD Zhang, JL Xu, HB Sun - Advanced Optical Materials, 2021 - Wiley Online Library
The rapid development of nanotechnology for the last 30 years has enabled a rapid
expansion in the applications of functional nanoparticles (NPs) on optoelectronic devices …

Tailoring the size and shape of ZnO nanoparticles for enhanced performance of OLED device

N Khairnar, H Kwon, S Park, H Lee, J Park - Nanomaterials, 2023 - mdpi.com
We synthesized zinc oxide nanoparticles (ZnO NPs) by meticulously controlling both
temperature and reaction times, allowing us to fine-tune their crystalline properties …

An indolocarbazole‐based thermally activated delayed fluorescence host for solution‐processed phosphorescent tandem organic light‐emitting devices exhibiting …

S Ohisa, T Takahashi, M Igarashi… - Advanced functional …, 2019 - Wiley Online Library
The study reports the development of a solution‐processed phosphorescent tandem organic
light‐emitting device (OLED) exhibiting extremely small efficiency roll‐off. The OLED …

Structural, morphological and optical properties of Eu-N co-doped zinc oxide nanoparticles synthesized using co-precipitation technique

M Kaur, P Kaur, G Kaur, K Dev, P Negi, R Sharma - Vacuum, 2018 - Elsevier
The do** of metal oxides with rare-earth element is an effective way of enhancing the
optical properties of ZnO nanoparticles. The ZnO nanoparticles were prepared using co …

Air‐stable and high‐performance solution‐processed organic light‐emitting devices based on hydrophobic polymeric ionic liquid carrier‐injection layers

S Sato, S Ohisa, Y Hayashi, R Sato… - Advanced …, 2018 - Wiley Online Library
A lot of research, mostly using electron‐injection layers (EILs) composed of alkali‐metal
compounds has been reported with a view to increase the efficiency of solution‐processed …

Atomically dispersed Zn sites on N-doped carbon boosted transesterification of symmetrical organic carbonates with biomass-derived alcohols

Y Pang, L Tao, Z Wang, C **ao, K Wang, K Liang… - Journal of …, 2024 - Elsevier
Transesterification of symmetrical organic carbonates with alcohols to access the
unsymmetrical ones is a highly attractive strategy for upgrading biomass-derived alcohols …

Highly efficient inverted phosphorescent organic light-emitting devices with ZnO nanoparticles electron injection layer

HA Hwang, HJ Park, DG Moon - Synthetic Metals, 2022 - Elsevier
We have developed highly efficient inverted phosphorescent organic light-emitting devices
(OLEDs) using ZnO nanoparticles (NPs). The wurtzite structured ZnO NPs having an …

Water-free synthesis of ZnO quantum dots for application as an electron injection layer in light-emitting electrochemical cells

S Daumann, D Andrzejewski… - Journal of Materials …, 2017 - pubs.rsc.org
Large-area light emitters like organic (OLEDs) or quantum dot light-emitting devices
(QLEDs) and light-emitting electrochemical cells (LECs) have gained increasing interest due …

Effect of nonincorporative cations on the size and shape of indium oxide nanocrystals

K Kim, LC Reimnitz, SH Cho, J Noh, Z Dong… - Chemistry of …, 2020 - ACS Publications
A wide range of material properties can be accessed by tuning the size and shape of
nanocrystals (NCs). Cations incorporated into the crystal lattice of indium oxide (In2O3) NCs …

Conjugated polyelectrolyte blend with polyethyleneimine ethoxylated for thickness-insensitive electron injection layers in organic light-emitting devices

S Ohisa, T Kato, T Takahashi, M Suzuki… - … applied materials & …, 2018 - ACS Publications
Electron injection layers (EILs) based on a simple polymer blend of polyethyleneimine
ethoxylated (PEIE) and poly [(9, 9-bis (3′-((N, N-dimethyl)-N-ethylammonium)-propyl)-2, 7 …