Charge transporting and thermally activated delayed fluorescence materials for OLED applications

K Kumar - Physical Chemistry Chemical Physics, 2024 - pubs.rsc.org
The design and synthesis of effective charge transporting (CT) and thermally activated
delayed fluorescence (TADF) materials are in high demand to obtain high-performing OLED …

Recent Progress in Functionalization of the Pyridine Ring through C− S Bond Formation under Transition Metal Catalyst Free Conditions

OA Tikhanova, DI Bugaenko… - Advanced Synthesis & …, 2024 - Wiley Online Library
Pyridines and quinolines substituted with sulfur‐containing functional groups are widely
used as drugs, drug candidates, organic materials, N, S‐ligands and others. Traditional …

Rationally heteroarylated pyridines as hole transport materials for OLEDs

K Kumar, A Karmakar, FR Chen, JH Jou… - Physical Chemistry …, 2023 - pubs.rsc.org
The advancement in developing highly efficient hole transport materials for OLED devices
has been a challenge over the past several years. For an efficient OLED device, there …

Nanographene coupled with interfacial pyrene derivatives for thermally stable perovskite solar cells

SG Kim, T de Monfreid, JH Kim, F Goubard… - ACS Energy …, 2023 - ACS Publications
Although high-efficiency perovskite solar cells (PSCs) have been achieved using a hole-
extracting material, spiro-MeOTAD, thermal stability has been unattainable due to the low …

Decorated pyridine as hole transporting material (HTM) for solution-processed OLEDs

K Kumar, KK Kesavan, S Kumar, S Banik… - … of Photochemistry and …, 2023 - Elsevier
While organic light emitting diodes (OLEDs) technology is evolving at a fast pace, the
development of flexible and full-color display panels with low power consumption provides …

Computational Evaluation with Experimental Validation: Arylamine-Based Functional Hole-Transport Materials for Energy-Efficient Solution-Processed OLEDs

K Kumar, KK Kesavan, S Kumar, FR Chen… - The Journal of …, 2023 - ACS Publications
Ultra-efficient and stable OLED devices can be obtained via effective charge injection,
accumulation, and exciton confinement into the emissive layer. However, the leakage of …

Color-tunable emission from violet-blue to pure-blue based on 5, 9-disubstituted pyrene derivatives via engineering of aryl-side groups

F Xie, X Yang, P Jin, XT Wang, H Ran… - Journal of Materials …, 2022 - pubs.rsc.org
It is especially necessary to explore the influence of side groups linked to the pyrene core on
the photophysical properties for constructing efficient pyrene-based blue-emitting materials …

Multicomponent reaction based tolyl-substituted and pyrene-pyridine conjugated isomeric ratiometric fluorescent probes: a comparative investigation of photophysical …

R Niranjan, GD Prasad, S Achankunju… - Journal of …, 2023 - Springer
Herein, the synthesis of pyrene conjugated 2, 6-di-ortho-tolylpyridine and 2, 6-di-para-
tolylpyridine structural isomers were achieved efficiently through multicomponent …

Pyridine-Annulated Functional Fused Indole as a Hole Transport Material for Solution-Processed OLEDs

K Kumar, KK Kesavan, S Kumar, S Banik… - ACS Applied Optical …, 2023 - ACS Publications
The utilization of a suitable hole transport material (HTM) is considered to be an effective
strategy to advance the efficiency of OLEDs. High triplet energy (ET) HTMs reduce the …

Novel pyrenylbenzylidene-malononitrile derivative mixed with cellulose acetate electrospun nanofibrous sheets for hydrazine detection

P Mayurachayakul, J Thianchai, N Attakul… - New Journal of …, 2024 - pubs.rsc.org
A new pyrenylbenzylidene–malononitrile (P2) was successfully synthesized via the Suzuki
coupling reaction and Knoevenagel condensation using nano Cu as a catalyst. The …