资源描述：
《Influence of the Support and the Size of Gold Clusters on Catalytic (1)》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。
1、AngewandteChemieDOI:10.1002/anie.200802845GoldNanoparticlesInfluenceoftheSupportandtheSizeofGoldClustersonCatalyticActivityforGlucoseOxidation**TamaoIshida,NaotoKinoshita,HirokoOkatsu,TomokiAkita,TakashiTakei,andMasatakeHaruta*DedicatedtotheCatalysisSocietyofJapanontheoccasionofi
2、ts50thanniversaryGoldwasneglectedasacatalyticmetalinthehistoryofThecatalytictransformationofbiomass-derivednaturalheterogeneouscatalysisformorethan100years.However,resourcesintovaluablecompoundsisofgreatimportancefor[6]whengoldisdepositedasnanoparticles(NPs)onbasicsustainabledeve
3、lopments.Inparticular,theaerobicoxida-transition-metaloxides,itexhibitsuniquecatalyticperfor-tionofglucosetogluconicacidovertransition-metalcatalysts,mance,forexample,thecatalysisoftheoxidationofcarbonincludingPd,Pt,andAu,hasbeenstudiedduringthelasttwo[1][4,7–12]monoxideatatemper
4、atureaslowas708C.decades.Goldcatalystsforthistransformationhave[4,9–12]Asconventionalimpregnationdoesnotleadtothehighbeenstudiedextensively,asRossiandco-workersdispersionofsmallgoldNPs,severalmethodsforcatalystreportedthatgoldNPssupportedonactivatedcarbon(AC)[1]preparationhavebe
5、endeveloped.Oneofthemostfre-showedhighcatalyticactivityandhighselectivityinthe[8]quentlyusedtechniquesisthedeposition–precipitation(DP)oxidationofglucosetogluconicacidin2002.Thereaction[9a]method,inwhichAu(OH)3embryosgeneratedfromHAuCl4conditions,thereactionmechanismonAu/ACandAu[
6、10][9b]bytreatmentwithNaOHareprecipitatedanddepositedcolloids,theeffectofthesizeofthegoldparticles,[11]exclusivelyonthesurfacesofbasicmetaloxides;thesereproducibilityandthedurabilityofAucatalysts,andthe[4]depositsarethentransformedintogoldNPswithdiameterspreparationofthecatalysth
7、avebeeninvestigatedinten-[1,2]smallerthan5nmbycalcination.Modifiedcatalyst-sively.However,theseapproachesarelimitedtounsupportedpreparationmethods,suchasDPurea,inwhichureaisusedAucolloidsandAuNPssupportedonAC,TiO2,andAl2O3.[3]insteadofNaOHastheprecipitatingagent,andtheRecently,we
8、developedanewpreparationmethod,solid[4]i
