液体中激光烧蚀法制备纳米材料

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. C

2、hem. Phys., 2013, 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,Na

3、noparticles Derived from LAL method,High activity and reactivity,LAL-induced NPs,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 carbides 2. LAL-based synthesis of terna

4、ry oxides 3. LAL-based complex oxidenoble metal 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 for

5、mation process of carbon-encapsulated metal carbides,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 temperature Reaction time pH 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 structures LAL-generated NMs display unique reactivity can be used as precursors for preparing