第51卷第3期2023年2月广州化工GuangzhouChemicalIndustryVol.51No.3Mar.2023MOF@Ag-TiN纳米管阵列复合SERS基底构筑及性能研究∗羡皓晗1,张帆2,张晓琳1,魏颖娜2,吴振刚1,陈越军2,魏恒勇2(1华北理工大学药学院,河北唐山063210;2华北理工大学材料科学与工程学院,河北唐山063210)摘要:通过阳极氧化结合氨气还原氮化法制备了氮化钛纳米管阵列结构,再利用电化学沉积技术结合原位生长法制备出MOF@Ag-TiN复合SERS基底。结果表明,所制备的MOF@Ag-TiN复合基底存在面心立方晶型TiN、银单质和钴基MOF三种物相,通过扫面电镜技术发现TiN纳米管阵列结构均匀完整,银纳米粒子均匀分布在阵列结构表面,同时基底表面包覆有形状规则的MOF纳米粒子。MOF@Ag-TiN复合基底具有较好的拉曼增强性能,对探针分子R6G的检测限为10-12M,同时还具有良好的稳定性。关键词:SERS;纳米管阵列结构;MOF;TiN-Ag中图分类号:TB383;TQ134.1+1文献标志码:A文章编号:1001-9677(2023)03-0100-04∗基金项目:本研究河北省自然科学基金(H2022209066);华北理工大学大学生创新创业项目(R2020010)。通讯作者:魏颖娜,讲师。ConstructionofMOF@Ag-TiNNanotubeArrayCompositeSERSSubstrateandItsProperties∗XIANHao-han1,ZHANGFan2,ZHANGXiao-lin1,WEIYing-na2,WUZhen-gang1,CHENYue-jun2,WEIHeng-yong2(1SchoolofPharmacy,NorthChinaUniversityofScienceandTechnology,HebeiTangshan063210;2CollegeofMaterialsScienceandEngineering,NorthChinaUniversityofScienceandTechnology,HebeiTangshan063210,China)Abstract:Titaniumnitridenanotubearraystructurewaspreparedbyanodicoxidationcombinedwithammoniareductionnitridingmethod,andMOF@Ag-TiNcompositeSERSbasewaspreparedbyelectrochemicaldepositiontechnologycombinedwithinsitugrowthmethod.TheresultsshowthatMOF@Ag-TiNcompositesubstratehadthreephases:face-centeredcubiccrystallineTiN,silverelementalandcobalt-basedMOF.Byscanningelectronmicroscopy,itwasfoundthattheTiNnanotubearraystructurewasuniformandcomplete,silvernanoparticleswereuniformlydistributedonthesurfaceofthearraystructure,andthesubstratesurfacewascoatedwithMOFnanoparticleswithregularshape.MOF@Ag-TiNcompositesubstratehadgoodRamanenhancementperformance,thedetectionlimitofprobemoleculeR6Gwas10-12M,andalsohadgoodstability.Keywords:SERS;nano...
