异核高氯酸(Eu^(3+),Er^(3+))二苯亚砜配合物中Er_(3+)对Eu_(3+)发光的影响

Er^(3+) Influence on Eu^(3+) Luminescence in Different Nuclear Perchlorate (Eu^(3+) ,Er^(3+) )

合成了一系列异核 ( Eu1-x Erx) ( DPSO) 7( Cl O4 ) 3( x=0 .0 0 0 -0 .2 0 0 ,DPSO为二苯亚砜 )配合物 .对配合物进行了组成分析 ,IR谱及荧光激发和发射光谱的测定 .荧光光谱测定结果表明 :Eu3+在配合物中所处格位对称性低无对称中心 ,本身不发光的 Er3+对 Eu3+的发光有较大影响 ,随着 Er3+浓度的增大 ,对 Eu3+的发光先敏化后猝灭 .给出了在该体系中 Er3+对 Eu3+发光敏化的浓度范围以及 Eu3+荧光发射强度与

Different nuclear (Eu 1-x Er x (DPSO) 7(ClO 4) 3( x =0.000~0.200,DPSO as the abbreviation to diphenyl sulfoxide) coordination compounds have been synthesized.The coordination compounds have been studied by means of composition analysis,IR spectra and fluorescent excitation and emission spectra.In the fluorescent spectra it was found that the local symmetry of Eu 3+ site are lower in this coordination compounds and Er 3+ has a great influence on luminescence of Eu 3+ .The fluorescent emission intensity of Europium perchlorate would be enhanced when 0.001→0.050 mol Er 3+ was mixed.At the same time,the concentration range has been studied on a sensitization the fluorescence of Er 3+ to Eu 3+ .