Novel binuclear copper (I) complex blue-light material and method for preparing same

A technology of blue light materials and complexes, applied in the fields of luminescent materials, copper organic compounds, chemical instruments and methods, etc., can solve the problems of few public reports, improve the yield and luminescence quantum efficiency, increase the solubility and the synthesis rate. membranous effect

Inactive Publication Date: 2014-01-08
JIANGXI UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At the same time, compared with the widely studied monovalent copper metal clusters and mononuclear complexes, the public reports of using nitrogen heterocyclic chelating ligands and organic bisphosphine ligands to design and synthesize monovalent copper dinuclear light-emitting complexes rare
[0005] Using 5-tert-butyl-3-[2-pyridyl]-1,2,4-triazole as a chelating ligand and organic bisphosphine as an auxiliary ligand to design and construct monovalent copper dinuclear complex luminescent materials and Its synthetic method has not been reported yet

Method used

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  • Novel binuclear copper (I) complex blue-light material and method for preparing same
  • Novel binuclear copper (I) complex blue-light material and method for preparing same
  • Novel binuclear copper (I) complex blue-light material and method for preparing same

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Experimental program
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Embodiment 1

[0029] Under an argon atmosphere, equimolar [Cu(MeCN) 4 ](ClO 4 ) (186mg, 0.57mmol) and N,N-bis(diphenylphosphoryl)amine (219mg, 0.57mmol) were stirred in 20mL dichloromethane solvent for 1 hour at room temperature, and then 5 -tert-butyl-3-[2-pyridyl]-1,2,4-triazole ligand (115mg, 0.57mmol), continue to stir the reaction at room temperature for 3 hours, and then evaporate the solvent on a rotary evaporator Dry and recrystallize with dichloromethane (8mL)-diethyl ether (40mL) mixed solvent [volume ratio 1:5]. The crystalline product obtained by recrystallization was filtered, washed 3-4 times with 20 mL of ether, and dried in vacuo to obtain a off-white solid product—a new type of binuclear copper (I) complex blue light material (201 mg, 0.134 mmol). The yield About 47%.

[0030] Electrospray ion mass spectrometry (ESI-MS): mass-to-charge ratio (m / z) 650 [M–(ClO 4 ) 2 ] 2+ ,448[Cu 2 (dppa) 2 ] 2+ ;

[0031] Elemental analysis calculated value (C 70 h 70 Cl 2 Cu 2...

Embodiment 2

[0034] Under an argon atmosphere, copper perchlorate hexahydrate [Cu(ClO 4 ) 2 ·6H 2O] (167mg, 0.45mmol) and excess copper powder (229mg, 3.60mmol) were stirred in 10mL of acetonitrile for 20 minutes, and then 15mL of N,N-bis(diphenylphosphoryl)amine (348mg, 0.90mmol) was added Dichloromethane solution, continue to stir and react for 1 hour, then add 5-tert-butyl-3-[2-pyridyl]-1,2,4-triazole ligand (183mg, 0.90mmol), continue to stir at room temperature After reacting for 3 hours, the solvent was evaporated to dryness on a rotary evaporator after filtration, and recrystallized with a mixed solvent of dichloromethane (10 mL)-diethyl ether (50 mL) [volume ratio 1:5]. The crystalline product obtained by recrystallization was filtered, washed 3-4 times with 25 mL of ether, and dried in vacuo to obtain a off-white solid product—a new type of binuclear copper (I) complex blue light material (278 mg, 0.185 mmol), with a yield of about Be 41%; Analysis and characterization experime...

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Abstract

The invention relates to novel luminescent material synthesis technologies, in particular to a novel binuclear copper (I) complex blue-light material and a method for preparing the same. The molecular formula of the blue-light material, namely a perchlorate di-[5-tertiary butyl-3-(2-pyridyl)-1,2,4-triazole] di-[N,N-dual(diphenyl phosphorous) amine] dimeric copper (I) complex, is C<70>H<70>Cl<2>Cu<2>N<10>O<8>P<4>, and the molecular weight of the blue-light material is 1501.26. The novel binuclear copper (I) complex blue-light material and the method have the advantages that as shown by luminescence test results, the novel binuclear copper (I) complex blue-light material is excellent in solid photo-luminescence performance, a powerful blue-light emission property can be realized, the maximum blue-light emission value is 439nm, and the luminescent quantum efficiency is 34%.

Description

technical field [0001] The invention relates to synthesis technology of new luminescent materials, in particular to a novel binuclear copper (I) complex blue light material and a preparation method thereof. Background technique [0002] Due to the heavy atom effect and strong spin-orbit coupling, the luminescent complexes based on transition metals can effectively utilize the energy of singlet and triplet states, and the luminous efficiency can be greatly improved. At present, the central metal atoms of luminescent complexes are mainly concentrated in the fifth and sixth periods, especially the transition metals of group VIII, while ruthenium, osmium, iridium and platinum occupy the central positions of current research. Since the transition metals of the fifth and sixth periods (except for a few metals of the first and second subgroups) are scarce in the earth's crust and difficult to mine, the cost of using such metal luminescent complexes is relatively high, and they are ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07F1/08C09K11/06
Inventor 陈景林何丽华肖义亮温和瑞
Owner JIANGXI UNIV OF SCI & TECH
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