Synthesis, molecular structures, and luminescent properties of several new heterodinuclear salen complexes containing Zn-Ln and Cu-Ln pairs

INOR 105

Leon Dyers Jr., leondyersjr@aol.com1, Donald VanDerveer, dvander@clemson.edu2, Robert D. Pike, rdpike@wm.edu3, Kofi B. Bota, kbota@cau.edu1, and Xiu R. Bu, xbu@cau.edu1. (1) Department of Chemistry, Clark Atlanta University, 223 James P. Brawley Drive SW, Atlanta, GA 30314, (2) Department of Chemistry, Clemson University, 379 Hunter Laboratories, P.O. Box 340973, Atlanta, GA 29634-0793, (3) Department of Chemistry, College of William and Mary, P.O. Box 8795, Williamsburg, VA 23187-8795
The chemistry of lanthanides has received a great deal of interest over the last decade because of their unique photophysical and magnetic properties, in particular, the transition metal sensitized Near-Infrared emissions of YbIII, NdIII, and ErIII. As a result, we have synthesized and characterized four new series of 3d-4f heterodinuclear Schiff base complexes of the general formula Zinc and Copper (II) (µ-N,N'-Bis(3-alkoxysalicylidene)-1,2-cyclohexyldiamine lanthanide (III) nitrate (lanthanide = La, Nd, Pr, Ce, Sm, Gd, Ho, Er, Yb, Dy). In addition, several X-ray structures of both Zn-Ln and Cu-Ln pairs were examined and the near-infrared luminescence of the resulting Zn-Ln (YbIII, NdIII, and ErIII) pairs were investigated.

Acknowledgment: MBRS-RISE, DOE, and NIH