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1、钯纳米催化剂的制备高分子材料与工程三班郜洪兵200941603069众所周知,铂(Pt)是目前催化性能最好的催化剂,但因其昂贵的价格成为产业化的障碍。探讨如何降低催化剂的成本、提高催化剂的活性是该领域目前的研究热点。钯(Pd)基于其良好的催化性能与储量,是替代Pt催化剂的良好的材料。单一的钯催化剂很难达到良好的催化活性,而且造成很大的资源浪费,因此合成催化活性高,分散性良好的纳米型催化剂是很必要的。参考文献1)微波辅助加热层状液晶模板法制备钯纳米粒子杨汉民,吴现棉,吴 勇,袁芳芳,仝 芳中南民族大学化学与材料科学学院催化材料科学
2、湖北省暨国家民委-教育部共建重点实验室,武汉4300742)制备方法对钯碳催化剂表面性质及其加氢性能影响陈祥,周立进,顾沛国,曾崇余南京工业大学化学化工学院,江苏南京210009;扬子石油化工股份有限公司,江苏南京21008林[马来]刘光荣 盘荣俊中南民族大学化学与材料科学学院催化4300742)AnEffectiveStrategyforRoomTemperatureSynthesisofDESIGNSingle-CrystallinePalladiumNanocubesandNanodendritesinAqueousS
3、olutionFeng-RuFan,AdelAttia,BinRen,andZhong-QunTian*StateKeyLaboratoryofPhysicalChemistryofSolidSurfacesandCollegeofChemistryandChemicalEngineering,XiamenUniVersity,Xiamen3)Large-ScaleandTemplate-FreeGrowthofFree-StandingSingle-CrystallineDendriticAg/PdAlloyNanostruc
4、tureArraysDaweiWang,TaoLi,YangLiu,JiansheHuang,andTianyanYou*,StateKeyLaboratoryofElectroanalyticalChemistry,ChangchunInstituteofAppliedChemistry4)SimplifyingtheCreationofHollowMetallicNanostructures:One-PotSynthesisofHollowPalladium/PlatinumSingle-CrystallineNanocub
5、es**XiaoqingHuang,HuihuiZhang,ChangyouGuo,ZhiyouZhou,andNanfengZheng*室温水溶液制备Pd纳米粒子3roomtemperature.Na2PdCl4aqueoussolutionandCTABsolutionswereaddedtotheAAsolutionstirring31SEMimagesofPdnanoparticlesobtained(a)byadding1mLof0.1MNaBrinprocedureA;(b)byadding1mLof0.1MNaIi
6、nprocedureA;(c)inprocedureA;(d)inprocedureB.自增长纳米晶体H2PdCl4solutionwasfirstaddedtodoubly-distilledwater.ThesynthesisofdendriticAg/Pdalloynanostructureswasachievedsimplybyimmersing(浸泡)asilverwireintoH2PdCl4solution.Thesolutionwasheatedat50Cfor5minbeforesilverwirewasim
7、mersed.Thereactionwasallowedtoproceedfor1hat50C.Afterthereaction,thesilverwirewaswashedwithwater.Theproductswereseparatedfromsilverwirebyultrasonic(超声波)treatmentinwater中空Pd-Pt金属纳米粒子的制备(卤化物)Pd(acac)2PVPNaIweremixedtogetherwithDMF(二甲基甲酰胺)Thesolutionwastransferredtoate
8、flon-linedstainless-steelautoclave.heatedat1508Cfor8hTheprocedureforsynthesisofpalla-dium/platinumwassimilartothatofthepalladiumnan