第38卷第4期2023年8月天津科技大学学报JournalofTianjinUniversityofScience&TechnologyVol.38No.4Aug.2023收稿日期:2022–12–11;修回日期:2023–04–09基金项目:国家自然科学基金项目(61405146,12174206);国家重点研发计划项目(2021YFB3502701)作者简介:李扬(1997—),男,黑龙江人,硕士研究生;通信作者:蔡元学,副教授,yuanxue_cai@tust.edu.cnCeF3:Tb3+纳米颗粒的一步合成与荧光特性李扬,蔡元学,明成国,周爱华,秦月婷,王江华(天津科技大学理学院,天津300457)摘要:通过一步水热法成功制备CeF3:Tb3+纳米颗粒。研究样品的晶体结构、形貌和发光性能。通过透射电子显微镜测得CeF3:Tb3+纳米颗粒的平均尺寸约为55nm。随着Tb3+掺杂浓度的增加,纳米颗粒的发光强度先增大后减小。研究CeF3:Tb3+纳米颗粒的发光性能,发现Ce3+→Tb3+存在明显的能量传递过程。制备的CeF3:Tb3+纳米颗粒在261nm紫外光激发下发出很强的绿光,因此它在显示器件、荧光探针和防伪等领域具有潜在的应用价值。关键词:CeF3:Tb3+;水热法;纳米颗粒;荧光中图分类号:TB34文献标志码:A文章编号:1672-6510(2023)04-0030-05One-StepSynthesisandFluorescencePropertiesofCeF3:Tb3+NanoparticlesLIYang,CAIYuanxue,MINGChengguo,ZHOUAihua,QINYueting,WANGJianghua(CollegeofScience,TianjinUniversityofScience&Technology,Tianjin300457,China)Abstract:CeF3:Tb3+nanoparticlesweresuccessfullypreparedbyone-stephydrothermalmethod.Crystalstructure,morphologyandluminescentpropertiesofsampleswerestudied.TheaveragesizeofCeF3:Tb3+nanoparticleswasabout55nmasmeasuredfromtransmissionelectronmicroscope.WiththeincreaseofTb3+dopingconcentration,theluminescenceintensityofnanoparticlesincreasedfirstandthendecreased.TheluminescencepropertiesofCeF3:Tb3+nanoparticleswereinvestigatedanditwasfoundthatthereexistedanobviousenergytransferprocessofCe3+→Tb3+.TheobtainedCeF3:Tb3+nanoparticlesexhibitedstronggreenemissionunder261nmexcitation,whichhaspotentialapplicationsinthefieldsofdis-playdevice,fluorescentprobe,anti-counterfeitingandsoon.Keywords:CeF3:Tb3+;hydrothermalmethod;nanoparticles;fluorescence稀土氟化物因其具有声子能量低、化学稳定性高、折射率高、荧光寿命长和量子产率高...