文档介绍
EffectsofpressureonanataseTiO2nanotubesYanyanZhang(张艳艳）PI:Prof.YanzhangMaHPSTAR,Changchun.(Jan.15th,2015~present)1NanomaterialsNanomaterialsoBioMedicineoEnergyoAgricultureooTransportationTransportationNanostructuredNanostructuredTiOTiO22NanoparticlesNanowiresNanorodsSolarcellsNanosheetsNanotubesSensorsNanoboxesPhotocatalysis……2PressureinducedphasetransitionofanataseTiO2TiO2anataseTransitionHighpressurephasesReferencepressure(GPa)Bulk2.6-4.5/14-17α-PbO2structure/Baddeleyite1Nanowires(~200nm)~9Baddeleyite2Nanowires(<100nm)~13Baddeleyite2Nanoparticles(20~40nm)11-16Baddeleyite1Nanoparticles(10~20nm)~18Baddeleyite1Nanoparticles(<10nm)~24Amorphous1Nanosheets(1:20-40:5-8nm)14-23Baddeleyite3Nanotubes???AnataseBaddeleyiteα-PbO231J.Phys.:Condens.Matter13:8317-8323(2001),2Can.J.Chem.93:165–172(