ArticleChemical science2020
Highly efficient non-doped blue fluorescent OLEDs with low efficiency roll-off based on hybridized local and charge transfer excited state emitters.
Article in Chemical science, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed.
- Stability enhancement of blue organic light-emitting diodes through exciton-density-dependent degradation analysis and triplet management.Chemical science · 2026Article
- Cross-shaped anthracene-based emitter with low TChemical science · 2026Article
- Optical, Photophysical, and Electroemission Characterization of Blue Emissive Polymers as Active Layer for OLEDs.Nanomaterials (Basel, Switzerland) · 2024Article
- Fabrication of high performance based deep-blue OLED with benzodioxin-6-amine-styryl-triphenylamine and carbazole hosts as electroluminescent materials.Scientific reports · 2024Article
- Article
- Ultra-fast triplet-triplet-annihilation-mediated high-lying reverse intersystem crossing triggered by participation of nπ*-featured excited states.Nature communications · 2022Article
- Highly efficient and stable deep-blue OLEDs based on narrowband emitters featuring an orthogonal spiro-configured indolo[3,2,1-Chemical science · 2022Article
- Asymmetrical-Dendronized TADF Emitters for Efficient Non-doped Solution-Processed OLEDs by Eliminating Degenerate Excited States and Creating Solely Thermal Equilibrium Routes.Angewandte Chemie (International ed. in English) · 2022Article
- Hot exciplexes in U-shaped TADF molecules with emission from locally excited states.Nature communications · 2021Article
- A Novel Deep Blue LE-Dominated HLCT Excited State Design Strategy and Material for OLED.Molecules (Basel, Switzerland) · 2021Article
- Blue organic light-emitting diodes with hybridized local and charge-transfer excited state realizing high external quantum efficiency.RSC advances · 2021Article
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10 authors.
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Abstract
Designing a donor-acceptor (D-A) molecule with a hybridized local and charge transfer (HLCT) excited state is a very effective strategy for producing an organic light-emitting diode (OLED) with a high exciton utilization efficiency and external quantum efficiency. Herein, a novel twisting D-π-A fluorescent molecule (triphenylamine-anthracene-phenanthroimidazole; TPAAnPI) is designed and synthesized. The excited state properties of the TPAAnPI investigated through photophysical experiments and density functional theory (DFT) analysis reveal that its fluorescence is due to the HLCT excited state. The optimized non-doped blue OLED using TPAAnPI as a light-emitting layer exhibits a novel blue emission with an electroluminescence (EL) peak at 470 nm, corresponding to the Commission International de L'Eclairage (CIE) coordinates of (0.15, 0.22). A fabricated device termed Device II exhibits a maximum current efficiency of 18.09 cd A
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