Chemistry is traditionally divided into organic and inorganic chemistry. The former is the study of compounds containing at least one carbon-hydrogen bonds. 402-50-6, Name is 1-(Trifluoromethyl)-4-vinylbenzene, molecular formula is C9H7F3, belongs to phthalazines compound, is a common compound. In a patnet, author is Liu, Baiquan, once mentioned the new application about 402-50-6, Product Details of 402-50-6.
Highly efficient red phosphorescent organic light-emitting diodes based on solution processed emissive layer
Highly efficient red phosphorescent organic polymer light-emitting diodes (PhOLEDs) were fabricated based on a solution-processed small-molecule host 4,4′-bis(N-carbazolyl)-1,1′-biphenyl (CBP) by doping an iridium complex, tris(1-(2,6-dimethylphenoxy)-4-(4-chlorophenyl)phthalazine)iridium (III) (Ir(MPCPPZ)(3)). A hole blocking layer 1,3,5-tri(1-phenyl-1H-benzo[d]imidazol-2-yl)phenyl (TPBI) with a function of electron transport was thermally deposited onto the top of CBP layer. The diode with the structure of ITO/PEDOT:PSS (50 nm)/CBP:Ir(MPCPPZ)(3) (55 nm)/TPBI (30 nm)/Ba (4 nm)/Al (120 nm) showed an external quantum efficiency (QE(ext)) of 19.3% and luminous efficiency (LE) of 18.3 cd/A at a current density of 0.16 mA/cm(2), and Commission International de l’Eclairage (CIE) coordinates of (0.607, 0.375). It was suggested that the diodes using TPBI layer exhibited nearly 100% internal quantum efficiency and one order magnitude enhanced LE or QE(ext) efficiencies. (c) 2013 Elsevier B.V. All rights reserved.
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Reference:
Phthalazine – Wikipedia,
,Phthalazine | C8H6N2 – PubChem