CuIN2P tetrahedral coordination cuprous complex luminous material
A technology of luminescent materials and complexes, applied in the field of luminescent materials and organic electroluminescent materials, can solve the problem that the luminous intensity cannot meet the application requirements, achieve good phosphorescence emission performance, inhibit non-radiative attenuation, and have good thermal stability. Effect
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Embodiment 1
[0033] Preparation of a large number of microcrystalline samples: Weigh 0.5 mmol of CuI and dissolve it in 10 mL of acetonitrile, weigh 0.5 mmol of tris(2,4-xylyl)phosphine ligand and dissolve it in 8 mL of dichloromethane, and mix the two Mix the solutions, and stir to make the coordination reaction fully occur to obtain a colorless solution A; then weigh 0.5mmol of 2-PBO ligand and dissolve it in 8mL of acetonitrile, then add this solution to the above solution A, and stir to make it fully A coordination reaction occurs, and finally the obtained yellow reaction liquid is rotary evaporated to remove all solvents, and dried in vacuum to obtain a yellow crystal powder as the product with a yield of 96% (calculated as Cu).
Embodiment 2
[0035] Synthesis of single crystal of phosphorescent cuprous complex CuI(2-PBO)(TXP-2,4): Weigh 0.1 mmol of CuI and dissolve it in 3 mL of acetonitrile, weigh 0.1 of tris(2,4-xylyl)phosphine Dissolve the ligand in 3mL of dichloromethane, mix the two solutions, and stir to make it fully undergo a coordination reaction to obtain a colorless solution A; then weigh 0.1mmol of 2-PBO ligand and dissolve it in 2mL of acetonitrile, Then add this solution into the above-mentioned solution A, and stir to make the coordination reaction fully occur, and finally filter the obtained yellow solution, cover the filtrate with n-hexane to promote the crystallization of the product, and after standing for several days, a large number of yellow flaky crystals are precipitated. A yellow flaky transparent crystal with a size of 0.36mm×0.33mm×0.15mm was selected for X-ray single crystal diffraction structure test. The molecular structure of the compound is shown in the attached figure 1 , and its u...
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