Organic iridium metal complex, preparation method thereof and organic electroluminescent device
An iridium metal complex, organic technology, applied in the direction of indium organic compounds, platinum group organic compounds, electric solid devices, etc., can solve the problem of low current efficiency, achieve simple preparation steps, high product purity, improve current efficiency and brightness Effect
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Embodiment 1
[0036] This embodiment provides a kind of organic iridium metal complex, its chemical structural formula is formula L001 in the summary of the invention, the reaction route of the preparation method of this organic iridium metal complex is as follows:
[0037]
[0038] Its specific preparation method comprises the following steps:
[0039] 1) Under nitrogen protection system, weigh reactant A-001 (35.32mmol, 10g), IrCl 3 ·3H 2 O (14.1mmol5g) was added to the reaction system, a mixed solution of 200mL ethylene glycol ether and 67mL purified water was added, refluxed at 120°C for 24 hours under the protection of nitrogen, and then cooled to room temperature, a precipitate was precipitated, and the precipitate was filtered with water, without Water ethanol and petroleum ether were rinsed and dried in sequence to obtain bridging ligand B-001 (6.7 g, yield 60%) of red powder;
[0040] 2) Weigh the bridging ligand B-001 (4.2mmol, 6.7g), add the reactant C-001 (12.6mmol, 1.3g), ...
Embodiment 2
[0045] This embodiment provides a kind of organic iridium metal complex, its chemical structural formula is the formula L020 in the summary of the invention, the reaction scheme of the preparation method of this organic iridium metal complex is as follows:
[0046]
[0047] Its specific preparation method comprises the following steps:
[0048] 1) Under nitrogen protection system, weigh reactant A-020 (30mmol, 10g), IrCl 3 ·3H 2 O (10mmol, 4.23g) was put into the reaction system, a mixed solution of 300mL ethylene glycol ether and 100mL purified water was added, refluxed at 120°C for 24 hours under the protection of nitrogen, and then cooled to room temperature, a precipitate was precipitated, and the precipitate was suction filtered. Rinse and dry in sequence with water, absolute ethanol, and petroleum ether to obtain a red powder of bridging ligand B-020 (6.6 g, yield 62%);
[0049] 2) Weigh the bridging ligand B-020 (3.7mmol, 6.6g), add the reactant C-020 (11.1mmol, 1....
Embodiment 3
[0054] This embodiment provides a kind of organic iridium metal complex, its chemical structural formula is the formula L039 in the summary of the invention, the reaction scheme of the preparation method of this organic iridium metal complex is as follows:
[0055]
[0056] Its specific preparation method comprises the following steps:
[0057] 1) Under the nitrogen protection system, weigh the reactant A-039 (36.6mmol, 10g) IrCl 3 ·3H 2 O (14.64mmol, 5.2g) was put into the reaction system, a mixed solution of 300mL ethylene glycol ether and 100mL pure water was added, refluxed for 24 hours under the protection of nitrogen, and then cooled to room temperature, a precipitate was precipitated, the precipitate was suction filtered, and water , absolute ethanol, and petroleum ether were washed and dried in sequence to obtain the bridging ligand B-039 (7.1 g, yield rate 63%) of red powder;
[0058] 2) Weigh the bridging ligand B-039 (4.6mmol, 7.1g), add the reactant C-039 (13....
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