CAJ | 학술논문

采用微波-超声协同法,在不同反应时间下制得了相对结晶度好、颗粒尺寸均一、形貌规则的稀土有机配合物Sm( TTA)3 Phen。采用红外光谱仪、X射线衍射仪、场发射扫描电镜、荧光光谱仪对配合物进行了性能表征,并讨论了反应时间对其相对结晶度、粉体颗粒形貌尺寸、荧光性能的影响及其相互关系。结果表明：采用微波超声法反应能得到结晶度较好的Sm( TTA)3 Phen配合物。最佳反应时间为4 h,此时可得到形貌规则、尺寸均一(约为5μm)的三斜相厚片状的配合物粉体,具有较高的相对结晶度(约为72%)且荧光强度较高。在放置90 d后,样品溶液的荧光强度有所下降,且相对结晶度较高的样品荧光衰减较小。
채용미파-초성협동법,재불동반응시간하제득료상대결정도호、과립척촌균일、형모규칙적희토유궤배합물Sm( TTA)3 Phen。채용홍외광보의、X사선연사의、장발사소묘전경、형광광보의대배합물진행료성능표정,병토론료반응시간대기상대결정도、분체과립형모척촌、형광성능적영향급기상호관계。결과표명：채용미파초성법반응능득도결정도교호적Sm( TTA)3 Phen배합물。최가반응시간위4 h,차시가득도형모규칙、척촌균일(약위5μm)적삼사상후편상적배합물분체,구유교고적상대결정도(약위72%)차형광강도교고。재방치90 d후,양품용액적형광강도유소하강,차상대결정도교고적양품형광쇠감교소。
Highly crystallized Sm(TTA)3Phen with small size and uniform morphology was prepared by a rapid and efficient microwave-ultrasound technology. Frontier FT-IR/FIR spectrometer (FT-IR), X-ray diffraction (XRD), field emission scanning electron microscopy (FSEM), and photoluminescence (PL) spectra were employed to characterize the samples. The relationships among reaction time, relative crystallinity, particle morphology and fluorescence properties were discussed. The results indicate that the highly crystalline Sm(TTA)3Phen can be successfully synthesized by microwave-ultrasound method. The optimum reaction time is 4 h for typical triclinic crystal powder with size of 5 μm, which has 72%highly-crystalline and good luminescence property. When the samples were tested after 90 d, the fluores-cence decayed. The higher the crystallinity is, the less fluorescence decreases.