Komatsu, Ryutaro published the artcileManipulating the Electronic Excited State Energies of Pyrimidine-Based Thermally Activated Delayed Fluorescence Emitters To Realize Efficient Deep-Blue Emission, Recommanded Product: 4-Chloro-2-methylphenylboronic acid, the publication is ACS Applied Materials & Interfaces (2017), 9(5), 4742-4749, database is CAplus and MEDLINE.
The electronic excited state energies of pyrimidine-based TADF emitters were molecularly manipulated to realize deep-blue emission and reduced delayed fluorescent lifetime (τd). The authors then systematically studied the relations among the chem. structure, properties, and device performances. The resultant novel pyrimidine emitters, called Ac-XMHPMs (X = 1, 2, and 3), contain different numbers of bulky Me substituents at acceptor moieties, increasing the excited singlet (ES) and triplet state (ET) energies. Among them, Ac-3MHPM, with a high ET of 2.95 eV, exhibited a high external quantum efficiency (ηext,max) of 18% and an ηext of 10% at 100 cd m-2 with Commission Internationale de l’Eclairage chromaticity coordinates of (0.16, 0.15). These efficiencies are among the highest values to date for deep-blue TADF OLEDs. The mol. design strategy provides fundamental guidance to design novel deep-blue TADF emitters.
ACS Applied Materials & Interfaces published new progress about 209919-30-2. 209919-30-2 belongs to chlorides-buliding-blocks, auxiliary class Chloride,Boronic acid and ester,Benzene,Boronic Acids,Boronic acid and ester, name is 4-Chloro-2-methylphenylboronic acid, and the molecular formula is C7H8BClO2, Recommanded Product: 4-Chloro-2-methylphenylboronic acid.
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