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Author:

Kuang, Xiao-Nan (Kuang, Xiao-Nan.) | Lin, Sen (Lin, Sen.) | Liu, Jian-Ming (Liu, Jian-Ming.) | Han, Hong-Liang (Han, Hong-Liang.) | Liu, Min (Liu, Min.) | Xin, Xiu-Lan (Xin, Xiu-Lan.) | Yang, Yu-Ping (Yang, Yu-Ping.) | Li, Zhong-Feng (Li, Zhong-Feng.) | Jin, Qiong-Hua (Jin, Qiong-Hua.) | Li, Si-Fan (Li, Si-Fan.) | Li, Yue-Xue (Li, Yue-Xue.) | Feng, Yue-Bing (Feng, Yue-Bing.)

Indexed by:

Scopus SCIE

Abstract:

Nine novel copper(I) complexes with diphosphine and diimine ligands, namely [Cu(dpq)(xantphos)]BF4 (1), [Cu(dpq)(xantphos)]I (2), [Cu(dpq)(dppp)]BF4 (3), [Cu(dppz)(dppp)]BF4 (4), [Cu(dppz)(dppp)]I (5), [Cu(dppz)(pop)]I (6), [Cu(dpq)(pop)]I (7), [Cu(dpq)(pop)] Br (8), [Cu(dpq)(pop)]SCN (9) (dpq = pyrazino [2,3-f][1,10]phenanthroline, dppz = dipyrido[3,2-a:2',3'-c]phenazine, xantphos = 9,9-dimethyl-4,5-bis diphenylphosphanyl)xanthene, dppp = 1,3-bis(diphenylphosphino)propane, pop = 1,1'-[(Oxydi-2,1-phenylene)]bis[1,1-diphenylphosphine]), were characterized by single crystal X-ray diffraction, IR, elemental analysis, H-1 NMR, P-31 NMR, fluorescence spectra and terahertz time domain spectroscopy (THz-TDS). These nine complexes were synthesized by the reactions of copper salts, diimine ligands and various of P-donor ligands through one-pot method. Single crystal X-ray diffraction reveals that complex 9 is of a simple mono-nuclear structure while complexes 6 and 7 are of dimer structures. For complex 8, hydrogen bonds and C-H center dot center dot center dot pi it interactions lead to the formation of a ID infinite chain structure. Interestingly, complexes 1-5 show novel 2D or 3D network structures through C-H center dot center dot center dot pi interactions. In addition, complexes 1-3 and 6-9 exhibit interesting fluorescence in the solid state at room temperature. Among the nine complexes, complex 1 shows the highest quantum yield up to 37% and the lifetime of 1 is 6.0 mu s. The terahertz (THz) time-domain spectra of these complexes were also studied. (C) 2019 Elsevier Ltd. All rights reserved.

Keyword:

Terahertz spectroscopy Luminescence Copper(I) Quantum yield

Author Community:

  • [ 1 ] [Kuang, Xiao-Nan]Capital Normal Univ, Dept Chem, Beijing 100048, Peoples R China
  • [ 2 ] [Lin, Sen]Capital Normal Univ, Dept Chem, Beijing 100048, Peoples R China
  • [ 3 ] [Han, Hong-Liang]Capital Normal Univ, Dept Chem, Beijing 100048, Peoples R China
  • [ 4 ] [Li, Zhong-Feng]Capital Normal Univ, Dept Chem, Beijing 100048, Peoples R China
  • [ 5 ] [Jin, Qiong-Hua]Capital Normal Univ, Dept Chem, Beijing 100048, Peoples R China
  • [ 6 ] [Li, Si-Fan]Capital Normal Univ, Dept Chem, Beijing 100048, Peoples R China
  • [ 7 ] [Li, Yue-Xue]Capital Normal Univ, Dept Chem, Beijing 100048, Peoples R China
  • [ 8 ] [Liu, Jian-Ming]Peking Univ, Sch Math Sci, Beijing 100871, Peoples R China
  • [ 9 ] [Liu, Min]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100022, Peoples R China
  • [ 10 ] [Xin, Xiu-Lan]Beijing Technol & Business Univ, Sch Food & Chem Engn, Beijing 100037, Peoples R China
  • [ 11 ] [Yang, Yu-Ping]Minzu Univ China, Sch Sci, Beijing 100081, Peoples R China
  • [ 12 ] [Feng, Yue-Bing]Qiqihar Univ, Sch Chem & Chem Engn, Qiqihar 161006, Peoples R China

Reprint Author's Address:

  • [Jin, Qiong-Hua]Capital Normal Univ, Dept Chem, Beijing 100048, Peoples R China

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Source :

POLYHEDRON

ISSN: 0277-5387

Year: 2019

Volume: 165

Page: 51-62

2 . 6 0 0

JCR@2022

ESI Discipline: CHEMISTRY;

ESI HC Threshold:166

JCR Journal Grade:2

Cited Count:

WoS CC Cited Count: 16

SCOPUS Cited Count: 15

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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