Composite hole transport material
A hole transport material and technology for transporting materials, applied in the field of composite hole transport materials, can solve problems such as being unfavorable for making amorphous thin films
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Embodiment 1
[0053] In a nitrogen atmosphere, 6 millimoles of 1,3,5-tris(N-phenylamino)benzene, 60 millimoles of potassium hydroxide, 2.6 grams of active copper powder, and 15 milliliters of n-decane were added to the reaction flask. Then add 30 mmoles of 1-iodonaphthalene, heat and reflux for 12 hours, then add 30 mmoles of iodobenzene, and continue the reaction for 12 hours. After cooling, a solid is obtained, which is washed with methanol and decolorized with activated carbon. The crude product is purified by recrystallization from dichloromethane-methanol, or purified by column chromatography (silica gel G is used as a column, and dichloromethane-petroleum ether or dichloromethane-methanol is used as eluent). The composite aromatic triamine material HT1 is obtained.
Embodiment 2
[0055] In a nitrogen atmosphere, add 6 millimoles of 1,3,5-tris(N-(4-methylphenyl)amino)benzene, 60 millimoles of potassium hydroxide, 2.6 grams of active copper powder, and 15 milliliters to the reaction flask. Diphenyl ether. Then add 20 millimoles of 1-iodonaphthalene and react at 170-190°C for 6 hours, then add 30 millimoles of iodobenzene, and continue the reaction for 18 hours. After cooling, a solid is obtained, which is washed with methanol and decolorized with activated carbon. The crude product is purified by recrystallization from dichloromethane-methanol, or purified by column chromatography (silica gel G is used as a column, and dichloromethane-petroleum ether or dichloromethane-methanol is used as eluent). Obtained composite aromatic triamine material HT2.
Embodiment 3
[0057] Using 1,3,5-tris(N-(3-methylphenyl)amino)benzene as the starting material, first react with 1-iodonaphthalene, and then add iodobenzene to continue the reaction. The reaction conditions and treatment methods are similar to those in Example 1 and Example 2. Obtained composite aromatic triamine material HT3.
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