Abstract

One novel 2,2′:6′,2″-terpyridine ligand L and its complexes (Zn(S)2L, Cd(S)2L) were synthesized and systematically characterized. There were cis-trans isomerization of the ethylene group in compounds of L, Zn(S)2L and Cd(S)2L though some characterization. Finally it was found that the two-photon absorption cross section values (σ) for the complexes in the near infrared region (∼800 nm) were dramatically enhanced compared to the free D–π–A type ligand.

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