《液体中激光烧蚀法制备纳米材料.ppt》由会员分享，可在线阅读，更多相关《液体中激光烧蚀法制备纳米材料.ppt（16页珍藏版）》请在三一办公上搜索。
1、,Group members：Ou Qian,Chao Zhang,Dan Jia,Yanping Su,Lulu Wen,Gangfeng Wei,Yongkui Wang,Dongfang Wang,Xiangyang Song,Wen Wang,Haiying Zheng.,Nanomaterials Generated by Laser Ablation in Liquids,Basic mechanism of LAL(laser ablation in liquids),Sketch of the main stages of LAL,Phys.Chem.Chem.Phys.,20
2、13,15,3027-3046,Basic mechanism of LAL,Sketch of the plasma plume formed by laser ablation of a metal target.*Denotes excited and/or ionized states,Phys.Chem.Chem.Phys.,2009,11,38053821,Basic mechanism of LAL,FeO Nanoparticles by LAL,Adv.Funct.Mater.2012,22,13331353,Nanoparticles Derived from LAL me
3、thod,High activity and reactivity,LAL-inducedNPs,Stable and surface passivated,A(assemble or growth)A+B=C New compounds=AB Composites,Activity and Reactivity,C,Examples,1.LAL-based to fabricate carbon-encapsulated metal carbides2.LAL-based synthesis of ternary oxides3.LAL-based complex oxidenoble me
4、tal nanocomposites,pulse laser,acetone,target,Tantalum target,1.LAL-based to fabricate carbon-encapsulated metal carbides,TaCC NPs,Carbon,2013,55,108115,NbCC,MoxCC,Co3CC,Mo in ethonal,Nb in ethonal,Co in acetone,More products can be synthesized,the formation process of carbon-encapsulated metal carb
5、ides,2.LAL-based synthesis of ternary oxides,J.Mater.Chem.,2012,22,1721017214,Design for ternary oxides based on A+B=C,various ternary oxides,Morphology,structure and size can be modified,Reaction temperatureReaction timepH value,3.LAL-based complex oxidenoble metal nanocomposites,Adv.Mater.2013,25,20402044,Brief Summary,LAL-generated NMs present unique activity,beneficial for obtaining new properties and new structuresLAL-generated NMs display unique reactivitycan be used as precursors for preparing new materialsLaser-generated NMs show unique applicationin catalyst,biosensor etc.,THANKS,
