Enhancing operational stability of OLEDs based on subatomic modified thermally activated delayed fluorescence compounds

S Jung, WL Cheung, S Li, M Wang, W Li… - Nature …, 2023 - nature.com
The realization of operationally stable blue organic light-emitting diodes is a challenging
issue across the field. While device optimization has been a focus to effectively prolong …

Near‐Infrared OLEDs Based on Functional Pyrazinyl Azolate Os (II) Phosphors and Deuteration

X Peng, CH Yeh, SF Wang, J Yan… - Advanced Optical …, 2022 - Wiley Online Library
Near‐infrared (NIR) emitting Os (II) complexes [Os (L1) 2 (PPhMe2) 2](tz1),[Os (L2) 2
(PPhMe2) 2](tz2), and [Os (L3) 2 (PPhMe2) 2](tz3), bearing dual (1H‐1, 2, 4‐triazol‐5‐yl) …

Computational studies on the materials combining graphene quantum dots and Pt complexes with adjustable luminescence characteristics

SP Wang, Y Li, ZX Zhang, Y Zhang, Y Wang… - Inorganic …, 2021 - ACS Publications
Graphene materials with particular properties are proved to be beneficial to photoelectric
devices, but there are rare reports on a positive effect by graphene on emissive layer …

Improving the chemical stability of blue heteroleptic iridium emitter FIrpic in the lowest triplet state through ancillary ligand modification: a theoretical perspective

H Li, L Huang, Z Huang, L Zhang, Y Tang… - Physical Chemistry …, 2022 - pubs.rsc.org
With the aim of providing a deeper understanding of the underlying degradation
mechanisms associated with the lifetime of blue emitters during the decay process of blue …

Predicting Excited-State and Luminescence Properties of a Cyclometalated Iridium (III) Complex: Quantum Mechanics/Molecular Mechanics Study

YJ Gao, TT Zhang, WK Chen - The Journal of Physical Chemistry …, 2021 - ACS Publications
The excited-state and luminescence properties of a cyclometalated Ir (III) complex with two
C∧ N ligands (C∧ N= 2-(2, 4-difluorophenyl) pyridine, F2ppy) and one acyclic diamino …

A complete evaluation from theoretical aspect on the phosphorescent efficiency improvement through ancillary ligands modifications of a blue Ir (III) complex

Y Wang, FQ Bai, X Ma, HX Zhang - Organic Electronics, 2018 - Elsevier
Five blue-emitting cationic Ir (III) materials with the form [I r (C∧ N) 2 (N∧ N)]+, where C∧
N= 2-(2, 4-difluorophenyl) pyridine (dfppy) cyclometalating ligands, and N∧ N= biimidazole …

Theoretical study on a series of Blue-Green Ir (III) complexes used in OLED

HY Chi, GQ Xi, XM Zhao, SJ Qu, X Liu, Y Ji… - Molecular …, 2023 - Taylor & Francis
Here six phosphorescent heteroleptic cyclometalated Ir (III) complexes were theoretically
designed to identify some suitable OLED materials.(fppzb) 2Ir (acac),(fppzb) 2Ir (tpip),(dfbdp) …

A theoretical study on blue‐green phosphorescent iridium (III) complexes with low‐efficiency roll‐off properties

HY Chi, GQ Xi, X Liu, HH Zhang, Y Ji… - Journal of Physical …, 2023 - Wiley Online Library
Here, eight phosphorescent heteroleptic cyclometalated Ir (III) complexes were theoretically
designed to identify some suitable organic light‐emitting diode materials.(F2‐PYBPY) 2Ir …

Strategies on cyclometalating ligand substitution of several Ir (III) complexes: Theoretical investigation of different molecular behaviors

Y Wang, J Wang, HX Zhang, IM Szilágyi… - Organometallics, 2018 - ACS Publications
A series of Ir (III) light-emitting materials, namely Ir (R-dfpypy) 2pic (R-dfpypy= 2′, 6′-
difluoro-4-R-2, 3′-bipyridine, pic= picolinate), where R=− H (1),− CN (2),− OMe (3),− NMe2 …

Regulation of internal reorganization energy to change the non-radiative channel in the Ir (iii) complex: the role of N atoms

L Tang, J Gao, Y Luo, Y Cheng, L Liu… - New Journal of …, 2023 - pubs.rsc.org
Iridium-based metallization complexes constitute the preferred phosphor materials for
organic light-emitting diodes (OLEDs). In this study, we examine the influence of ligands with …