Seven copper (I) complexes of diphosphine ligands and N∧N ligands: Syntheses, structural characterizations and spectroscopic properties

被引:20
作者
Zhang, Yan-Ru [1 ]
Yu, Xiao [1 ]
Lin, Sen [1 ]
Jin, Qiong-Hua [1 ]
Yang, Yu-Ping [2 ]
Liu, Min [3 ]
Li, Zhong-Feng [1 ]
Zhang, Cun-Lin [4 ]
Xin, Xiu-Lan [5 ]
机构
[1] Capital Normal Univ, Dept Chem, Beijing 100048, Peoples R China
[2] Minzu Univ China, Sch Sci, Beijing 100081, Peoples R China
[3] Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100022, Peoples R China
[4] Capital Normal Univ, Beijing Key Lab Terahertz Spect & Imaging, Key Lab Terahertz Optoelect, Minist Educ, Beijing 100048, Peoples R China
[5] Beijing Technol & Business Univ, Sch Food & Chem Engn, Beijing 100048, Peoples R China
基金
中国国家自然科学基金;
关键词
Copper(I); Bis[2-(diphenylphosphino]phenyl]ether; 2,9-Dimethyl-1,10-phenanthroline; Luminescence; Terahertz spectroscopy; LIGHT-EMITTING-DIODES; TERAHERTZ SPECTROSCOPY; LUMINESCENT PROPERTIES; COORDINATION POLYMERS; PHOTOPHYSICAL PROPERTIES; CU(I) COMPLEXES; SPECTRA; METAL; 1,10-PHENANTHROLINE; PHOTOLUMINESCENCE;
D O I
10.1016/j.poly.2017.08.021
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The reactions of diphosphine ligands and nitrogen-containing ligands with Cu(I) salts in the mixed solvents of methanol (MeOH) and dichloromethane (CH2Cl2) generated the corresponding complexes, {[Cu (dppbe)(Bphen)](CIO4)center dot 2CH(3)OH) (1), {[Cu-2(dppe)(dmp)(2)(CN)(2)]center dot 2CH(3)OH) (2), fICu(2)(dPPb)(dmP)(2)I-2]. 2CH(3)OH),, (3), [Cu(POP)(C16H6N6)(11) (4), {[Cu(POP)(CI6H6N6)1(5CN))n (5), [Cu(xantphos)(bpy)1(CIO4) (6) and {[Cu(xantphos)(bpy)1(CF3SO3))n (7) fdppbe = 1,2-bis(diphenylphosphanyl)benzene, dppe = 1,2-bis (diphenylphosphino)ethane; dppb = 1,4-bis(diphenylphosphino)butane, POP = bis[2-(diphenylphosphino)phenyl]ether, xantphos = 4,5-bis (diphenylphosphio)-9,9-dimethylxanthene, Bphen = 4,7-diphenyl-1,10-phenanthroline, dmp = 2,9-dimethyl-1,10-phenanthroline, C16H6N6 = [2,3-fl-pyrazino-[1,10] phenanthroline-2,3-dicarbonitrile, bpy = 2,2'-bipyridine). These complexes were all characterized by single-crystal X-ray crystallography, elemental analysis, IR, 1H NMR spectroscopy, luminescence and THz spectroscopy. Complexes 1 and 2 consist of 1D infinite zigzag chain structures which are linked by hydrogen bonds, while complexes 3, 5 and 7 have 2D topological architectures which are connected by hydrogen bonds, complex 4 has an annular structure and complex 6 is a mononuclear structure. The types of hydrogen bonds, choice of solvents and coordination modes of the ligands are of importance in defining the structural and topological features of the resulting networks. Furthermore, complexes 1-7 exhibit interesting luminescence in the solid state at room temperature. Complexes 1-3 can act as yellow luminophores, complex 4 acts as a red luminophore, complex 5 acts as an orange luminophore and complexes 6-7 act as green luminophores. Their terahertz spectra show more accurate characteristics of their structures. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码:46 / 56
页数:11
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