������������学术论文Academicpapers粘接化学化工资源不同尺寸的超顺磁氧化铁纳米颗粒实验蔡怡（阿克苏地区药品检验所，新疆阿克苏843000）摘要：介绍了超顺磁氧化铁纳米颗粒的制备方法，分析了高温热分解法的原理与应用，基于高温热分解法设计了不同尺寸的超顺磁氧化铁纳米颗粒的制备实验。分别以二苯醚和十八烯为溶剂制得了5nm和16nm的Fe3O4纳米颗粒；同时改变油酸的剂量，制备了不同尺寸的纳米颗粒。并采用透射电子显微镜、X射线衍射仪和振动样品磁强计等仪器对制备所得Fe3O4纳米颗粒进行粒径、形貌、磁学性能的表征。基于高温热分解法制备的Fe3O4纳米颗粒形貌规整，粒径均一，晶体质量较高，磁性优良。关键词：超顺磁纳米粒子；Fe3O4；高温热分解法；实验制备；磁学性能中图分类号：TG115文献标志码：A文章编号：1001-5922（2023）03-0118-04TestonsuperparamagneticferricoxidenanoparticlesofdifferentsizesCAIYi（AksuDistrictDrugInspectionInstitute，Aksu843000，XinjiangChina）Abstract：Thepreparationmethodofsuperparamagneticironoxidenanoparticleswasintroduced，andtheprincipleandapplicationofhightemperaturethermaldecompositionmethodwereanalyzed.Thepreparationexperimentsofdifferentsizesofsuperparamagneticironoxidenanoparticlesweredesignedbasedonhightemperaturethermalde⁃compositionmethod.5nmand16nmFe3O4nanoparticleswaspreparedwithdiphenyletherandoleicassolvent；atthesametime，differentsizesofnanoparticleswerepreparedbychangingthedoseofoleicacid.Thecharacteriza⁃tionofparticlesize，morphologyandmagneticpropertiesofthepreparedFe3O4nanoparticleswasanalyzedusingtransmissionelectronmicroscope，X-raydiffractometerandvibratingsamplemagnetometerinstrument.Fe3O4nanoparticlespreparedbyhightemperaturethermaldecompositionmethodhaveregularmorphology，uniformparti⁃clesize，highcrystalqualityandexcellentmagneticproperties.Keywords：superparamagneticnanoparticles；Fe3O4；hightemperaturethermaldecompositionmethod；experimentalpreparation；magnetismperformance2023年3月第50卷第3期doi：10.3969／j.issn.1001-5922.2023.03.029Vol.50No.03，Mar.2023收稿日期：2022-10-26；修回日期：2023-03-06作者简介：蔡怡（1986-），女，实验师，研究方向：化...
