Ruthenium(II) complexes of 2-phenylimidazo[4,5-f] [1,10]phenanthroline. Synthesis,characterization and third order nonlinear optical properties |
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| Authors: | Jiang Cai-Wu Chao Hui Li Run-Hua Li Hong Ji Liang-Nian |
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| Institution: | (1) State Key Laboratory of Ultrafast Laser Spectroscopy, Department of Chemistry, Zhongshan University, Guangzhou, 510275, P.R. China |
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| Abstract: | Three RuII complexes Ru(bpy)2(PIP)]2+, Ru(PIP)2(bpy)]2+ and Ru(PIP)3]2+ (PIP = 2-phenylimidazo4,5-f]1,10]phenanthroline, bpy = 2,2-bipyridine) were prepared and characterized by electrospray mass spectrometry, 1H-n.m.r, u.v.–vis. and electrochemistry. The nonlinear optical properties (NLO) of the RuII complexes were investigated by Z-scan techniques with 12 ns laser pulses at 540 nm, and all of them exhibit both NLO absorption and self-defocusing effects. The corresponding effective NLO susceptibility | 3| of the complexes is in the (4.15 – 4.86) × 10–12 e.s.u. range. |
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