Tetrahedral cuprous complex luminescent material containing oxazolyl pyridine ligands
A technology of luminescent materials and complexes, which is applied in the direction of luminescent materials, copper organic compounds, compounds of group 5/15 elements of the periodic table, etc., which can solve the problem of expensive, luminous intensity not meeting the application requirements, and affecting the promotion and application of OLEDs and the market Performance and other issues, to achieve the effect of low production cost, good phosphorescent emission performance, and promote inter-system crossing
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Embodiment 1
[0033] Preparation of a large number of microcrystalline samples: weigh 112mg Cu(CH 3 EN) 4 PF 6 and 59 mg of 4-PBO ligand were dissolved in 10 mL of acetonitrile, and 162 mg of POP ligand was weighed and dissolved in 5 mL of methylene chloride (the molar ratio of the three reactants was 1:1:1), and the two The solutions were mixed and stirred to make the coordination reaction fully occur. Finally, the obtained yellow solution was filtered, and all solvents were removed by rotary evaporation, and vacuum-dried to obtain a yellow crystal powder as the product with a yield of 98% (calculated as Cu).
Embodiment 2
[0035] Synthesis of Cu(I) Complex Cu(POP)(4-PBO)(CH 3 CN)(PF 6 ) single crystal: weigh 37mg Cu(CH 3 EN) 4 PF 6 After dissolving 54mg of POP ligand in 5mL of dichloromethane, add 20mg of 2-PBO ligand to the above solution at one time, stir to dissolve it completely and then filter, cover the filtrate with isopropanol to promote crystallization of the product, and let stand After a few days, a large number of yellow blocky crystals were precipitated. A yellow crystal with a size of 0.37mm×0.33mm×0.23mm was selected for X-ray single crystal structure test. The molecular structure of the compound is shown in the attached figure 1 , and its unit cell packing structure is shown in the attached figure 2 .
[0036] For the complex Cu(POP)(4-PBO)(CH 3 CN)(PF 6 ) of pure-phase crystal samples were subjected to a series of performance tests. The material crystal of the present invention has been tested for steady state fluorescence, and the results show that the material can e...
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