不同Eu3+掺杂浓度硼酸铝荧光材料的制备及发光性能.doc

淮北师范大学2019届学士毕业论文Eu3+掺杂硼酸铝荧光材料的制备及发光性能的研究PAGEIV本科毕业论文（设计）不同Eu3+掺杂浓度硼酸铝荧光材料的制备及发光性能学院、专业物理与电子信息学院材料科学与工程研究方向荧光材料学生姓名管馨茹学号20151344019指导教师姓名陈三指导教师职称教授2019年3月11日淮北师范大学2019届学士毕业论文不同Eu3+掺杂浓度硼酸铝荧光材料的制备及发光性能不同Eu3+掺杂浓度硼酸铝荧光材料的制备及发光性能管馨茹淮北师范大学物理与电子信息学院淮北235000摘要本论文采用高温固相合成法来制备不同浓度的Eu3+掺杂的Al4-xEuxB4O9（X=0.01,0.03,0.04,0.05,0.07,0.10）荧光粉，并研究其的晶体结构，晶体形貌以及在不同温度下的发光性能。将Eu3+掺杂硼酸铝荧光粉混合研磨，然后在900℃的高温条件下对样品进行煅烧，获得所需要的稀土掺杂荧光材料Al4-xEuxB4O9：Eu3+，然后通过利用X射线衍射仪（XRD）测试样品的晶体结构，和稳态/瞬态荧光光谱仪（PL）分别测试样品的晶体结构以及样品的发光性能。实验表明，在X=0.04时，该荧光粉的发光性能最佳。关键词高温固相；荧光粉；硼酸铝基质；Eu3+PreparationandLuminescencePropertiesofAluminumBorateFluorescentMaterialswithDifferentEu3+DopingConcentrationsGuanXinruSchoolofPhysicsandElectronicInformation,HuaibeiNormalUniversity,AnhuiHuaibei,235000AbstractInthispaper,Al4-xEuxB4O9(X=0.01,0.03,0.04,0.05,0.07,0.10)phosphorsdopedwithEu3+atdifferentconcentrationswerepreparedbyhightemperaturesolid-statesynthesis,andtheircrystalstructure,crystalmorphologyandluminescentpropertiesatdifferenttemperatureswerestudied.Al4-xEuxB4O9:Eu3+,arareearthdopedfluorescentmaterial,wasobtainedbymixingandgrindingEu3+dopedaluminiumboratephosphorandcalciningthesampleat900C.X-raydiffraction(XRD)andsteady/transientfluorescencespectrometer(PL)wereusedtomeasurethecrystalstructureandluminescentpropertiesofthesamples.Theluminescentpropertiesofthesampleswereobserved.ExperimentsshowthatthephosphorhasthebestluminescenceperformancewhenX=0.04.Keywordshightemperaturesolid;phosphors;Aluminumboratematrix;Eu3+目录HYPERLINK\l_Toc20115_WPSOffice_Level11绪论1HYPERLINK\l_Toc28414_WPSOffice_Level21