Cuprous complex orange red phosphorescent material based on benzoxazolyl quinoline
A benzoxazolyl quinoline, phosphorescent material technology, applied in the field of luminescent materials and organic electroluminescent materials, can solve the problems affecting the popularization, application and market performance of OLEDs, the luminous intensity cannot meet the application requirements, and the cost is high. The effect of good phosphorescence emission performance, good solubility and thermal stability, and low production cost
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[0032] Example 1
[0033] A large amount of orange-red phosphorescent Cu(I) complex [Cu(2-QBO)(o-anisyl 3 P) 2 ]PF 6 Preparation of microcrystalline samples: Weigh 0.1mmol [Cu(CH 3 CN) 4 ]PF 6 Dissolved in 5mL CH 2 Cl 2 , Then weigh out 0.1mmol of 2-QBO and 0.1mmol of o-anisyl 3 P(tris(o-methoxyphenyl)phosphine), respectively dissolved in 5mL CH 2 Cl 2 In the process, all three solutions are mixed (the molar ratio of the three reactants is 1:1:1), and stirred to make the coordination reaction fully occur, and finally the orange yellow solution is filtered, and all the solvents are removed by rotary evaporation , Dried at 100 degrees to obtain orange crystal powder as the product, the yield is 98% (calculated by Cu).
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[0034] Example 2
[0035] Synthesis of orange-red phosphorescent Cu(I) complex [Cu(2-QBO)(o-anisyl 3 P) 2 ]PF 6 Single crystal: Weigh 0.1mmol [Cu(CH 3 CN) 4 ]PF 6 Dissolved in 5mL CH 2 Cl 2 , Then weigh out 0.1mmol of 2-QBO and 0.1mmol of o-anisyl 3 P(tris(o-methoxyphenyl)phosphine), respectively dissolved in 5mL CH 2 Cl 2 In the process, all three solutions were mixed and stirred to fully cause the coordination reaction. Finally, the orange yellow solution was filtered, and the filtrate was covered with n-hexane to promote the crystallization of the product. After standing for several days, a large number of orange block crystals were precipitated. An orange crystal with a size of 0.38mm×0.32mm×0.26mm was selected for X-ray single crystal structure test. The molecular structure diagram of the compound is attached figure 1 , Its unit cell stacked structure diagram is attached figure 2 .
[0036] To orange-red phosphorescent Cu(I) complex [Cu(2-QBO)(o-anisyl 3 P) 2 ]PF 6 A series o...
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