Research speed reading in 2021.The prevalence of solvent effects has motivated developing quantitative kinetic, spectroscopic, and theoretical assessments of solvent structures and their interactions with reaction intermediates and transition states. Product Details of 22013-33-8, In a article, mentioned the application of 22013-33-8, Name is 2,3-Dihydrobenzo[b][1,4]dioxin-6-amine, molecular formula is C8H9NO2
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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