Correction for 'Achieving 9% EQE in light-emitting electrochemical cells a TADF-sensitized fluorescence strategy' by Zeyang Zhou , , 2024, , 24498-24505, https://doi.org/10.1039/D4CP02801E.
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Correction: Achieving 9% EQE in light-emitting electrochemical cells a TADF-sensitized fluorescence strategy.
Phys Chem Chem Phys
March 2025
Key Laboratory of Photochemistry, Beijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
Correction for 'Achieving 9% EQE in light-emitting electrochemical cells a TADF-sensitized fluorescence strategy' by Zeyang Zhou , , 2024, , 24498-24505, https://doi.org/10.1039/D4CP02801E.
View Article and Find Full Text PDFCircularly polarized narrowband phosphorescent organic light-emitting diodes.
Dalton Trans
March 2025
Shenzhen Institute of Information Technology, Shenzhen 518172, China.
Design strategies for chiral iridium(III) complexes with stable circularly polarized luminescent properties have emerged as important research topics in the field of organic photonics. Given the high rigidity, low chemical activity and multi-closed-loop structure of -camphor, its chirality cannot be easily affected. Furthermore, the introduction of indolo[3,2,1-]carbazole is beneficial for the narrow emission spectrum.
View Article and Find Full Text PDFIridium(III) Carbene Complexes Featuring either Metal-to-Ligand Charge Transfer (MLCT) or Through-Space Charge Transfer (TSCT) Blue Luminescence.
Angew Chem Int Ed Engl
March 2025
City University of Hong Kong, Department of Chemistry, Department of Materials Science and Engineering, and Center of Super-Diamond and Advanced Films (COSDAF), HONG KONG.
Through-space charge transfer (TSCT) rather than the commonly postulated metal-to-ligand charge transfer (MLCT) process was proposed in getting the lowest lying excited state of newly designed Ir(III) blue phosphors. Accordingly, two benzo[d]imidazolylidene pro-chelates L12H2+ and L13H2+, one with two cyano groups at the peri-benzo and N-aryl pendent and the other with its peri-cyano group being replaced with methyl substituent, were employed in syntheses of Ir(III) complexes f-ct12b,c and f-ct13b,c. Notably, complexes f-ct12b,c exhibited the traditional MLCT process, while f-ct13b,c were dominated by the TSCT transition, resulting in a smaller S1-T1 energy gap ΔEST.
View Article and Find Full Text PDFHigh-Temperature-Induced Fused Polycyclic Aromatic Multiple Resonance Emitters Exhibiting Narrowband and Pronounced Red-Shifted Emission.
Small
March 2025
Zhejiang Provincial Engineering Research Center of Energy Optoelectronic Materials and Devices, Ningbo Institute of Materials Technology and Engineering, Chinese Academy of Sciences, Ningbo, 315201, P. R. China.
Synthetic methodology is a fundamental framework for preparing functional materials, significantly advancing their development. Herein, a novel 6π electrocyclization reaction is unexpectedly discovered that promotes further ring closure in materials derived from multi-resonance thermally activated delayed fluorescence (MR-TADF) compounds, known for their narrow emission. By simply raising the reaction temperature, this process significantly red-shifts the emission peak of the target material while effectively narrowing its emissive width and greatly enhancing its optoelectronic performance.
View Article and Find Full Text PDFFluorine-modified passivator for efficient vacuum-deposited pure-red perovskite light-emitting diodes.
Light Sci Appl
March 2025
Wuhan National Laboratory for Optoelectronics (WNLO) and School of Optical and Electronic Information, Huazhong University of Science and Technology (HUST), 1037 Luoyu Road, Wuhan, Hubei, 430074, China.
Vacuum-deposited perovskite light-emitting diodes (PeLEDs) have demonstrated significant potential for high-color-gamut active-matrix displays. Despite the rapid advance of green PeLEDs, red ones remain a considerable challenge because of the inferior photophysical properties of vacuum-deposited red-light-emitting materials. Here, a rationally designed fluorine-modified phosphine oxide additive was introduced to in-situ passivate vacuum-deposited perovskites.
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