Abstract Multi‐resonant thermally activated delayed fluorescent ( MR‐TADF ) materials are blooming for high‐resolution organic light‐emitting diodes (OLEDs). However, boron/nitrogen (B/N)‐integrated emitters suffer severe efficiency roll‐off from their strong inter‐molecular π – interactions. Herein, versatile narrowband pure blue mono‐ mx ‐CzDABNA and tri‐ demonstrated featuring a ring‐fused extended ‐skeleton: classic steric hindrance rigidity accessed by integrating with meta ‐xylene...

Abstract This study investigated white organic light‐emitting diodes (OLEDs) with a single emissive layer and comprising hole transport material 1,1‐Bis[(di‐4‐tolylamino)phenyl]cyclohexane (TAPC) two electron materials 1,3,5‐Tris(1‐phenyl‐1H‐benzimidazol‐2‐yl)benzene (TPBi) 1,3,5‐tris(3‐pyridyl‐3‐phenyl)benzene (TmPyPB). The devices exhibited unique emission characteristics, from sky blue orange exciplex emissions at low voltages to yellow electromer higher voltages. combination of these...

Aggregation induced emission enhancement (AIEE) is widely regarded as an efficient tool to offset the problem of aggregation caused quenching (ACQ) in luminogens.

A new strategy of “spring-like” self-assemblies induced efficient and pure white-light emission from a single-layer device architecture by using dopant–host copolymer system.

A TADF emitter exhibiting high OLED device performance of 25% and narrow emission (FWHM = 58 nm) in the deep blue region ( λ em 458 nm, CIE 0.14, 0.13) due to balanced charge transfer interactions locked molecular geometry.

Herein, we report a novel solution processable fluorenone based small molecule with an Aggregation Induced Emission Enhancement (AIEE) property. In contrast to previous reports, the presence of moiety in FF triggers AIEE

The rational design of an efficient and thermally stable non-doped red fluorophore material with tunable AIEE ICT characteristics triggers enhanced OLED performances.

Organic materials exhibiting mechano-fluorochromic behavior in their gel state are extremely rare the literature. Similarly, examples of organic with crystal-to-crystal phase transitions have not been reported until date. Herein, we achieved these two remarkable properties phenothiazine derivatives S1 and S2[(E)-N′-((10-ethyl-10H-phenothiazin-3-yl)methylene)-3,4,5-tris(hexadecyloxy)benzohydrazide (E)-N′-((10-ethyl-10H-phenothiazin-3-yl)methylene)isonicotinohydrazide)], where formed...

Novel luminogen based copolymers exhibit bright white light emission with high quantum yield through aggregation induced enhancement due to J-aggregates.

Abstract The design of multifunctional materials is a challenging and important objective for wide array multidisciplinary applications. However, organic emitter exhibiting simultaneous aggregation‐induced emission (AIE), multi‐responsive polymorphs, mechanoluminescence electroluminescence have been scarce. In this study, two anthracene based compounds, namely 10‐(4‐(9 H ‐carbazol‐9‐yl)phenyl)anthracene‐9‐carbonitrile (CzPACN) 10‐(4‐(di‐ p ‐tolylamino)phenyl)anthracene‐9‐carbonitrile...

We report the synthesis of a novel organic–inorganic hybrid composite comprising C 3 N 5 integrated with CeO 2 engineered to significantly enhance photocatalytic hydrogen evolution.

Herein, we report a molecular design strategy to achieve high EQE despite having relatively large Δ E ST by controlling the number and nature of intermediate states present between S 1 T along with f value.

Herein, the relationship between supramolecularly self-assembled microstructures and chemical structures of photoluminescent molecules is discussed. A series non-amphiphilic with different length alkyl chains (4–14), central mesogenic groups, linkers were designed synthesized. Intricate analysis shows that supramolecular assembly varies change in torsion angle thiophene linking group on elongation chain. Small X-ray scattering measurement long range molecular interaction for lower chain...

ABSTRACT A sol–gel polymerization method was developed to make polyimide (PI) silsesquioxane (SSQ) nanoparticles as functional, soft dielectric materials. The surface functionalization of the polymer chain backbone and ends poly(trimellitic anhydride chloride‐ co ‐4,4′‐methylenedianiline), PMR‐15 resin , with para ‐(chloromethyl)‐phenylethyltrimethoxy silane yielded a novel reactive sites functionalized PMR‐silane precursor. Upon base‐catalyzed hydrolysis condensation precursor, spherical,...

Photo physical studies of organic light emitting copolymers and their ordered supramolecular self-assembly: tuning the electroluminescence properties with high efficient white light.

In order to achieve sustainability goals, biomass is a renewable energy source that lowers emissions of greenhouse gases and other hazardous gases. Biochemical thermochemical methods are both used produce bioenergy from biomass. Pyrolysis an effective conversion technique for the into energy-rich bio-oil. this study, pyrolysis characteristics bio-oil obtained residues Ricinus communis were investigated. The experimental run was designed analyze impact bed temperature on product yield by...

Herein, we demonstrate versatile narrowband deep blue MR‐TADF emitters (KHU 1 and KHU 2) featuring enlarged ring‐fused structurally increased steric hindrance rigidity accessed by incorporating meta‐xylene rotors. In comparison to 1, tri substituted emitter exhibits a substantial shift (12 nm) while maintaining characteristics with high color purity (FWHM = 27 nm). Further, the solid‐state investigations conclude that they possibly suppress non‐radiative energy loss thus improve fast reverse...

We designed and synthesized a tricoordinate borane oxygen atom carbazole embedded (Ph‐OBNA) moiety. Ph‐OBNA exhibited narrowband MR‐TADF their aggregated properties were comparatively studied with well‐known TADF (DMAC‐DPS) emitter. Interestingly, DMAC‐DPS reduced exciton concentration quenching owing to its AIE behavior, unlike Ph‐OBNA. Finally, we applied those materials harvest the highly efficient organic light‐emitting diode via hyper fluorescence device strategy, resulting in an...