The transformation of simple hydrocarbons into more complex and valuable products has revolutionised modern synthetic chemistry. This type of reactivity has quickly become one of the cornerstones of modern catalysis.COA of Formula: C8H9NO2, In a article, mentioned the application of 22013-33-8, molecular formula is C8H9NO2
Efficient full-colour organic light-emitting diodes based on donor-acceptor electroluminescent materials with a reduced singlet-triplet splitting energy gap
A series of efficient blue-emitting materials, namely, Cz-DPVI, Cz-DMPVI, Cz-DEPVI and TPA-DEPVI, possessing a donor-acceptor architecture with dual carrier transport properties and small singlet-triplet splitting is reported. These compounds exhibit excellent thermal properties with a very high glass-transition temperature (Tg), and thus, a stable uniform thin film was formed during device fabrication. Among the weak donor compounds, specifically, Cz-DPVI, Cz-DMPVI and Cz-DEPVI, the Cz-DEPVI-based device showed the maximum efficiencies (L: 13955 cd m-2, etaex: 4.90%, etac: 6.0 cd A-1, and etap: 5.4 lm W-1) with CIE coordinates of (0.15, 0.06) at 2.8 V. The electroluminescent efficiencies of Cz-DEPVI were higher than that of the strong donor TPA-DEPVI-based device (L: 13856 cd m-2, etaex: 4.70%, etac: 5.7 cd A-1, and etap: 5.2 lm W-1). Furthermore, these blue emissive materials were used as hosts to construct efficient green and red phosphorescent OLEDs. The green device based on Cz-DEPVI:Ir(ppy)3 exhibited the maximum L of 8891 cd m-2, etaex of 19.3%, etac of 27.9 cd A-1 and etap of 33.4 lm W-1 with CIE coordinates of (0.31, 0.60) and the red device based on Cz-DEPVI:Ir(MQ)2(acac) exhibited the maximum L of 40565 cd m-2, etaex of 19.9%, etac of 26.0 cd A-1 and etap of 27.0 lm W-1 with CIE coordinates of (0.64, 0.37).
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Reference£º
Benzodioxan,
1,4-Benzodioxane | C8H8O2 – PubChem