资源描述:
《纳米金属催化剂的制备方法课件.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、ThepreparationmethodsofmetalnanocatalystsIntroductionUsefulEfficientImportantNothingcanhelpBrFecomingBrMeet+FeCatalystFeBr3EnzymeHeterogeneousHomogeneousMetalnanocatalystsGreenChem,2012,14,111-116……MetalnanocatalystsDealloyingprocessGasphasemethodLiqui
2、dphasemethod……PreparationmethodsHighersurface-to-volumeratioMoreactivesurfaceatomsH2DealloyingprocessXuY,etal.Nanotechnology,2014,25(44):445602.NanosphereNanowireSponge-likeNanoporousGoldsphereAu&GefilmAu/GeeutecticmeltAu/Gedroplets550℃evaporateSiO2sub
3、stratedewettingsolificationdealloyingnanoporoussinglecrystalsofgoldKhristosovMK,etal.Naturecommunications,2015,6.NanoporousPt–FeAlloyNanowiresShuiJ,etal.Adv.Fun.Mater,2011,21(17):3357-3362.ElectrospinningDealloyingNanoporousGoldfilms65:35(at%)Ag/Aushee
4、tsRoomtemperatureNitricacidNanoporousgold(NPG)ZhangL,etal.Adv.Mater. (2014), 26(8), 1289-1294GasphasemethodThermalenergyareappliedAsolidprecursormaterialVaporisformedNanometriccrystalparticalesareformedVaporandgasarecooledsputteringresistanceheatingmet
5、hodradio-frequencyheatingdirectheatingNanoparticalsareformedReactiveGas“Add”or“notAdd”Vaporphasetemplated-assemblytechniqueHajfathalianM,J.Phys.Chem.C,2015,119(30):17308-17315.Area-selectiveAtomicLayerDepositionCaoK,etal.Scientificreports,2015,5.8470VS
6、SAMsSelf-assembledmonolayersLiquidphasemethodMagicABAB-BAAB-CDA-BA-ABA-BCAHeatingPrecursorHAuCl4AuReducingagentMonometallicnanocatalystsLeeHE,etal.ACSNano.2015,9(8):8384-8393.A-BmetallicnanocatalystsChenS,etal.Angew.Chem.Int.Ed.2015,54,108-113.H2PtCl6K
7、IPoly(vinylpyrrolidone)(PVP)CuCl2ethyleneglycol(EG)140℃,90min(a)(b)(c)(a)HuiyuanZhuetal.Angew.Chem.Int.Ed.2014,53,12508–12512AuMn(acac)2KBEt3H240℃AuMn△TAirMn/Au=1AuMnOAuMnOAurichMnrichAuMnOA-BmetallicnanocatalystsAB-BAmetallicnanocatalystsChenLX,etal.J
8、.PowerSources,2016,302:140-145.Core:Pt:Au=4:1Shell:Pt:Au=2:3AA:ReducingagentNH2NH2:StrongerreducingagentA-ABmetallicnanocatalystsAgnanocubesAAStablesuspensioncontainingAgnanocubesNa2PdCl4Ag@Pd-AgnanocubesJumeiLi,etal.J.Am.Chem.Soc.2015,