Results 1 to 10 of about 1,094,128 (138)

An efficient aggregation‐enhanced delayed fluorescence luminogen created with spiro donors and carbonyl acceptor for applications as an emitter and sensitizer in high‐performance organic light‐emitting diodes

open access: yesAggregate, 2023
Organic light‐emitting diodes (OLEDs) fabricated using organic thermally activated delayed fluorescence materials as sensitizers have recently achieved significant advancements, but the serious efficiency roll‐offs are still troublesome in most cases ...
Hao Chen   +9 more
doaj   +1 more source

Immobilisation and Release of Radical Scavengers on Nanoclays for Chemical Reinforcement of Proton Exchange Membranes

open access: yesMembranes, 2020
Mechanical and chemical stability of proton exchange membranes are crucial requirements for the development of fuel cells for durable energy conversion. To tackle this challenge, bi-functional nanoclays grafted with amino groups and with embedded radical
Alia Akrout   +8 more
doaj   +1 more source

High‐Performance Orange–Red Organic Light‐Emitting Diodes with External Quantum Efficiencies Reaching 33.5% based on Carbonyl‐Containing Delayed Fluorescence Molecules

open access: yesAdvanced Science, 2022
Developing orange to red purely organic luminescent materials having external quantum efficiencies (ηexts) exceeding 30% is challenging because it generally requires strong intramolecular charge transfer, efficient reverse intersystem crossing (RISC ...
Ruming Jiang   +6 more
doaj   +1 more source

Through‐Space Conjugated Electron Transport Materials for Improving Efficiency and Lifetime of Organic Light‐Emitting Diodes

open access: yesAdvanced Science, 2022
Thermally stable electron transport (ET) materials with high electron mobility and high triplet state energy level are highly desired for the fabrication of efficient and stable organic light‐emitting diodes (OLEDs).
Pingchuan Shen   +5 more
doaj   +1 more source

Type I AIE photosensitizers: Mechanism and application

open access: yesView, 2022
Photodynamic therapy (PDT) with plenty of advantages is expected to become a promising modality for cancer treatment, but challenges still remain. In the past decade, abundant photosensitizers (PSs) with aggregation‐induced emission (AIE) property make ...
Jianqing Li   +3 more
doaj   +1 more source

Improving Electroluminescence Efficiency by Linear Polar Host Capable of Promoting Horizontal Dipole Orientation for Dopant

open access: yesAdvanced Science, 2023
In doped organic light‐emitting diodes (OLEDs), the host materials play an important role in emitting layers. Most studies about host materials mainly focus on their energy levels and carrier transport behaviors, while less attention is paid to their ...
Maoxing Yu   +8 more
doaj   +1 more source

In-situ electro-responsive through-space coupling enabling foldamers as volatile memory elements

open access: yesNature Communications, 2023
Voltage-gated processing units are fundamental components for non-von Neumann architectures like memristor and electric synapses, on which nanoscale molecular electronics have possessed great potentials.
Jinshi Li   +5 more
doaj   +1 more source

9,9-Dimethyl-9,10-dihydroacridine functionalized phosphoindole oxides with AIE property for OLED application

open access: yesJournal of Information Display, 2020
Aggregation-induced emission (AIE) has attracted widespread attention of late in academic and industrial circles owing to its diverse applications. Developing AIE-active materials for application in organic light-emitting diodes (OLEDs) has become an ...
Jianqing Li   +4 more
doaj   +1 more source

Efficient Aggregation-Induced Delayed Fluorescence Luminogens for Solution-Processed OLEDs With Small Efficiency Roll-Off

open access: yesFrontiers in Chemistry, 2020
Purely organic small molecules with thermally-activated delayed fluorescence have a high potential for application in organic light-emitting diodes (OLEDs), but overcoming severe efficiency roll-off at high voltages still remains challenging.
Zheyi Cai   +5 more
doaj   +1 more source

Aggregation-induced delayed fluorescence molecules with mechanochromic behaviors for efficient blue organic light-emitting diodes

open access: yesCell Reports Physical Science, 2022
Summary: Aggregation-induced delayed fluorescence (AIDF) materials combining the advantages of aggregation-induced emission and thermally activated delayed fluorescence have attracted considerable attention. However, blue AIDF materials with satisfactory
Junchu He   +6 more
doaj   +1 more source

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