Understanding spontaneous orientation polarization of amorphous organic semiconducting films and its application to devices

Y Noguchi, Y Tanaka, H Ishii, W Brütting - Synthetic Metals, 2022 - Elsevier
Spontaneous orientation polarization (SOP) of amorphous organic semiconducting films has
attracted much attention because of its frequent observation in common organic light …

Understanding the charge dynamics in organic light-emitting diodes using convolutional neural network

JM Kim, J Lim, JY Lee - Materials Horizons, 2022 - pubs.rsc.org
Knowledge about the charge dynamics in organic light-emitting diodes (OLEDs) is a critical
clue to optimize device architecture for enhancing the power efficiency and driving voltage …

Targeted elimination of tetravalent-Sn-induced defects for enhanced efficiency and stability in lead-free NIR-II perovskite LEDs

X Guan, Y Li, Y Meng, K Wang, K Lin, Y Luo… - Nature …, 2024 - nature.com
Eco-friendly Sn-based perovskites show significant potential for high-performance second
near-infrared window light-emitting diodes (900 nm–1700 nm). Nevertheless, achieving …

Pinpointing the origin of the increased driving voltage during prolonged operation in a phosphorescent OLED based on an exciplex host

M Regnat, CK Moon, S Jenatsch, B Ruhstaller… - Organic …, 2022 - Elsevier
We report on the origin of the reduced power efficiency in a red phosphorescent OLED with
an exciplex host after prolonged operation. The power efficiency is reduced solely by an …

Analysis and optimization of organic tandem solar cells by full opto-electronic simulation

U Aeberhard, A Schiller, Y Masson, SJ Zeder… - Frontiers in …, 2022 - frontiersin.org
This paper reports on the analysis and optimization of high-efficiency organic tandem solar
cells via full opto-electronic device simulation on continuum level and using a hopping …

Determining non-radiative decay rates in TADF compounds using coupled transient and steady state optical data

S Sem, S Jenatsch, K Stavrou, A Danos… - Journal of Materials …, 2022 - pubs.rsc.org
Thermally-activated delayed fluorescence (TADF) compounds are promising materials used
in emissive layers of organic light-emitting diodes (OLEDs). Their main benefit is that they …

High fluorescence efficiency of dual-wavelength white OLED with NPB emission and triplet annihilation

SH Yang, TL Huang - Optical Materials, 2021 - Elsevier
A high-efficiency fluorescent dual-wavelength white organic light-emitting diode (WOLED)
was fabricated with a single emission layer (EML) comprising ITO/MoO 3/NPB/Spiro-Pye …

Influence of intermolecular interactions on the formation of spontaneous orientation polarization in organic semiconducting films

Y Noguchi, K Osada, K Ninomiya… - Journal of the …, 2021 - Wiley Online Library
Spontaneous orientation polarization (SOP) has been frequently observed in the evaporated
films of organic light‐emitting diode materials. Because SOP modifies the charge injection …

[HTML][HTML] Detailed electro-optical modeling of thermally-activated delayed fluorescent OLEDs with different host-guest concentrations

S Sem, S Jenatsch, P Sahay, S Züfle, M Schmid… - Organic …, 2022 - Elsevier
OLED device optimization often relies on time-consuming trial-and-error experiments. While
the photoluminescence quantum yield can serve as a first indicator to find the best …

[HTML][HTML] Novel integrated reference-counter electrode for electrochemical measurements of HOMO and LUMO levels in small-molecule thin-film semiconductors for …

SC Cevher, KP Pernstich - Organic Electronics, 2025 - Elsevier
Organic light-emitting diodes (OLEDs) are a prominent display technology, yet the accurate
characterization of the highest occupied molecular orbital (HOMO) and lowest unoccupied …