The Synthesis And Study Of Eu(â…¢) Rare Earth Complexes

At first,the thesis reviews the basic theories of rare sarth fluorescence complexes,introduces the classification and application of the rare sarth fluorescence complexes.At the same time, the thesis describes the applications and researches of the rare sarth complex and protects the large scale of applied forground in various fields.On the basis of that ,the thesis has been studied the effect of different ligand on the rare sarth fluorescence complexes systematically and studied the synthetic conditions of iso-polynuclexes.The thesis is helpful to the choice of Hand on the rare sarth complex. The thesis consists of the following five parts:1, The synthesis of DBM and BZA -diketones are the excellent ligand on the synthesis of the rare sarth fluorescence complexes.The thesis introduces the synthetic theories , the synthetic mfthod and the analysis of production efficiency of -diketones systematically. On the basis of that,the thesis has studied the influence factors of the synthesis of 3 -diketones.On the other hand , compares the difference of the synthesis of DBM and BZA.2, The synthesis and fluorescence naure of Eu(III) complexesIn this paper, different Eu(III) complexes have been synthesized with different ligands of DBM, phen, BZA and AA.On the other hand , the synthetic mfthod and the struction of complexes have been introduced .The fluorescence naure of Eu(III) complexes has been studied and compared by the element analysis and fluorescence spectra ,too.3 , The synthesis and fluorescence naure of Eu(III) iso-polynucleus complexesIn this paper, different Eu(III) iso-polynucleus complexes have been synthesized with different ligands of DBM , phen and AA.The center Eu(III) is replaced dy different containing of rare earth ion,such as Ce3+, Nd3+, Gd3+, La3+.The complexes are characterized by the element analysis and fluorescence spectra.In this paper ,the synthetic mfthod and synthetic condition of Eu(III) iso-polynucleus complexes are introduced and studied systematically.4, Discussion and analysis of experimentsThe influence factors of fluorescence naure of complexes can be gained by the analysis and comparation of the experiments ' results. The part consists of the following two parts:(1) The fluorescence naure and the influence factors of rare sarth complexes which center is Eu3+.(1) The ligand s influence to the fluorescence intensity of complexes;(2) The ligand s influence to the excitation of complexes;(3) The ligand s influence to the characterized emission spectra of complexes;(2) The fluorescence naure and the influence factors of Eu(III) iso-polynucleus complexes(1) The fluorescence naure of Eu(III) iso-polynucleus complexes;(2) The influence of different containing of rare earth ion to the fluorescence intensity of Eu(III) iso-polynucleus complexes;(3) The ligand s influence to the fluorescence naure of Eu(III) iso-polynucleus complexes;(4) The ligand s influence to the characterized emission spectra of Eu( III) iso-polynucleus complexes;(5) The fluorescence of addition of other rare earth ion to the characterized emission spectra of Eu(III) iso-polynucleus complexes;(6) The influence and importance of AA s introduction to the fluorescence naure of Eu(III) iso-polynucleus complexes.5, ConclusionSome influence factors which have an effect on the fluorescence naure of complexes have been known by the results of experiments.