Hole-transporting materials for organic light-emitting diodes: an overview

SS Swayamprabha, MR Nagar, RAK Yadav… - Journal of Materials …, 2019 - pubs.rsc.org
Organic light-emitting diodes (OLEDs) unfurl mainstream lighting and display technology in
consumer electronics. Over the last three decades, numerous approaches to material …

Opto-electronic characterization of third-generation solar cells

M Neukom, S Züfle, S Jenatsch… - Science and Technology …, 2018 - Taylor & Francis
We present an overview of opto-electronic characterization techniques for solar cells
including light-induced charge extraction by linearly increasing voltage, impedance …

Charge-carrier dynamics and regulation strategies in perovskite light-emitting diodes: From materials to devices

L Xu, G Liu, H Xiang, R Wang, Q Shan, S Yuan… - Applied Physics …, 2022 - pubs.aip.org
In recent years, perovskite light-emitting diodes (PeLEDs) have developed rapidly with the
highest external quantum efficiency exceeding 20%. Their unbalanced carrier injection and …

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 …

N-doping of nonfullerene bulk-heterojunction organic solar cells strengthens photogeneration and exciton dissociation

J Xie, W Lin, GC Bazan, T Pullerits, K Zheng… - Journal of Materials …, 2022 - pubs.rsc.org
N-type doping of the bulk-heterojunction layer in nonfullerene organic solar cells allows to
effectively ameliorate inferior electron transportation by filling traps and optimizing electron …

Sequential structural degradation of red perovskite quantum dots and its prevention by introducing iodide at a stable gradient concentration into the core–shell red …

H Lee, CK Trinh, MG So, CL Lee - Nanoscale, 2022 - pubs.rsc.org
Perovskite quantum dots (QDs) have been extensively studied as emissive materials for next-
generation optoelectronics due to their outstanding optical properties; however, their …

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 …

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 …

[HTML][HTML] Determination of charge transport activation energy and injection barrier in organic semiconductor devices

S Züfle, S Altazin, A Hofmann, L Jäger… - Journal of Applied …, 2017 - pubs.aip.org
Charge carrier transport in organic semiconductor devices is thermally activated with
characteristic activation energies in the range of 0.2–0.6 eV, leading to strongly temperature …

Injection-limited and space charge-limited currents in organic semiconductor devices with nanopatterned metal electrodes

J Buhl, H Lüder, M Gerken - Nanotechnology, 2022 - iopscience.iop.org
Charge injection at metal-organic interfaces often limits the electric current in organic light-
emitting diodes without additional injection layers. Integrated nanopatterned electrodes may …