Citation: CHEN Man, WANG Xue-Mei, HE Yu-Heng, YANG Jian, WANG Song, TONG Bi-Hai. Blue-green Phosporescent Iridium Complex with Terdentate Ligand[J]. Chinese Journal of Structural Chemistry, ;2016, 35(1): 114-118. doi: 10.14102/j.cnki.0254-5861.2011-0816 shu

Blue-green Phosporescent Iridium Complex with Terdentate Ligand

1.
School of Metallurgy Engineering, Anhui University of Technology, Maanshan, Anhui 243002, China

Corresponding author: TONG Bi-Hai,
Received Date: 20 May 2015
Available Online: 19 December 2015
Fund Project: Supported by the National Natural Science Foundation of China (21572001) (21572001) the Natural Science Foundation from Bureau of Education of Anhui Province (KJ2013A063) (KJ2013A063)

An ionic iridium(III) complex [Ir(F₂dpyb)(bzdpp)₂Cl][OTf] with 1,3-difluoro- 4,6-di(2-pyridinyl) benzene (F₂dpybH) terdentate ligand and benzyldiphenylphosphine (bzdpp) ligand was synthesized and characterized. The structure of iridium complex was verified by single-crystal X-ray crystallography. It crystallizes in monoclinic, space group P2₁/n with a = 14.3654(7), b = 23.0026(10), c = 15.7964(7) Å,β = 97.6029(11), V = 5173.9(4) Å³, Z = 4, F(000) = 2552, D_c = 1.645 Mg/m³, M_r = 1281.49 and μ = 0.071 mm^-1. The UV-vis absorption and phosphorescence of the complex were discussed. The complex was ‘aggregation induced emission (AIE)’ active. It exhibited no emission in CH₂Cl₂ solution but strong blue-green emission in solid state under ultraviolet light excitation. The complex emitted a strong phosphorescence centered at 493 nm when doped in PMMA. Its lifetime is 0.755 μs and quantum yield is approximately 0.134.
- iridium complex,
- aggregation induced emission (AIE),
- crystal structure,
- phosphorescence
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沈阳化工大学材料科学与工程学院沈阳 110142