TY - DATA T1 - Rare Earth-Indomethacinate Complexes with Heterocyclic Ligands: Synthesis and Photoluminescence Properties PY - 2017/12/05 AU - João Batista M. Resende Filho AU - Paulo R. Santos AU - Juliana A. Vale AU - Wagner M. Faustino AU - Danyelle S. Farias AU - Hermi F. Brito AU - Maria C. F. C. Felinto AU - Ercules E. S. Teotonio UR - https://scielo.figshare.com/articles/dataset/Rare_Earth-Indomethacinate_Complexes_with_Heterocyclic_Ligands_Synthesis_and_Photoluminescence_Properties/5666437 DO - 10.6084/m9.figshare.5666437.v1 L4 - https://ndownloader.figshare.com/files/9889870 L4 - https://ndownloader.figshare.com/files/9889873 L4 - https://ndownloader.figshare.com/files/9889876 L4 - https://ndownloader.figshare.com/files/9889879 L4 - https://ndownloader.figshare.com/files/9889882 L4 - https://ndownloader.figshare.com/files/9889885 L4 - https://ndownloader.figshare.com/files/9889888 L4 - https://ndownloader.figshare.com/files/9889891 L4 - https://ndownloader.figshare.com/files/9889894 L4 - https://ndownloader.figshare.com/files/9889897 L4 - https://ndownloader.figshare.com/files/9889900 KW - indomethacin KW - rare earth KW - heterocyclics KW - photoluminescence KW - energy transfer N2 - In this work, synthesis, characterization and photophysical properties of trivalent rare earth complexes with a nonsteroidal anti-inflammatory drug [the indomethacinate (indo), presenting formulas RE(indo)3(H2O)x (x = 3, for Eu3+ and Gd+3, and x = 4 for Tb+3), RE(indo)3(bipy) and RE(indo)3(phen) (bipy: 2,2'-bipyridine, and phen: 1,10-phenanthroline)] were investigated. Based on photoluminescent results, the intramolecular energy transfer process from T1 triplet states of indo, phen and bipy ligands to the 5D0 emitting level of the Eu3+ ion in the coordination compounds is discussed. Accordingly, it is proposed two possible intramolecular energy transfer mechanisms between indomethacinate ligand and rare earth ions, which involve the participation of excited electronic states of the heterocyclic ligands as intermediate ones. ER -