Journal
JOURNAL OF COORDINATION CHEMISTRY
Volume 56, Issue 2, Pages 147-154Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/0095897021000050996
Keywords
ruthenium(II) complex; polypyridine ligand; nonlinear optical properties
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Three novel mononuclear ruthenium(II) complexes [Ru(dmP)(2)L](2+) [dmp=2,9-dimethyl-1,10-phenanthroline, L = 2-phenylimidazo-[4,5-f][1,10]phenanthroline (PIP), 2-(4'-hydroxyphenyl)imidazo-[4,5-f][1,10]phenanthroline (HOP), 2-(4'-dimethylaminophenyl)imidazo-[4,5-f][1,10]phenanthroline (DMNP)] were synthesized and characterized by ES-MS, H-1 NMR, UV-Vis and electrochemistry. The nonlinear optical (NLO) properties of the ruthenium(II) 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 \chi(3)vertical bar of the complexes is in the range of 5.15 x 10(-12) -6.34 x 10(-12) esu.
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