Synthesis by a Cost-Effective Method and Electroluminescence of a Novel Efficient Yellowish-Green Thermally Activated Delayed Fluorescent Molecule
journal contributionposted on 26.02.2018, 15:18 by Ikbal Marghad, Dae Hyeon Kim, Xiaohui Tian, Fabrice Mathevet, Corinne Gosmini, Jean-Charles Ribierre, Chihaya Adachi
A new thermally activated delayed fluorescent molecule, TRZ 3(Ph-PTZ), containing three phenothiazines as donor units and a 2,4,6-triphenyl-1,3,5-triazine as the acceptor unit was synthesized using a simple cost-effective method based on a cobalt catalyzed cross-coupling. This compound was tested in organic light-emitting diodes and was found to show superior yellowish-green electroluminescence performance with a maximum external quantum efficiency of 17.4% and a maximum luminance value of 7430 cd/m2.
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Cost-Effective Methodcompoundcross-couplingcobaltacceptor unitquantum efficiencyphenothiazineyellowish-green electroluminescence performanceFluorescent Moleculedonor unitsmethodSynthesiElectroluminescencemoleculetriphenylTRZNovel Efficient Yellowish-Green Thermally Activatedlight-emitting diodesPh-PTZluminance value