《草簇状石墨烯片限域Pd纳米粒子及其催化应用》.pdf

《《草簇状石墨烯片限域Pd纳米粒子及其催化应用》.pdf》由会员上传分享，免费在线阅读，更多相关内容在行业资料-天天文库。

1、ChineseJournalofCatalysis36[2015)148—152催化学报2015年g36卷-g2期1www．chxb．cnavaiilableatwww．sciencedirect．com-％"SoenceDire~journ毋hOmepa鸳e：www．eIseviereom／l0cate／ehnjcCommunicationPdconfinedingrass-likegraphenelayersonmonolithiccordieriteasthecatalystforhydrogenati0nof4-carbox

2、ybenzaldehydeGonggangLiu，LinyuYuaYuchaoZhu，XiaoguangGuob，YonghuaZhou，，HongqiYe，#aCollegeofChemistryandChemicalEngineering,CentralSouthUniversity,Changsha41008~Hunan,ChinaStateKeyLaboratory0lCatalysis,DalianlnsOtuteolChemicalpsics,ChineseAcademyofSciences,Dalian11602~Li

3、aoning,ChinaARTICLEINF0ABSTRACTArticlehistory：Pdnanoparticleswereconfinedingrass·likegrapheneLayersonmonolithiccordieritebyusingReceived15September2014NH2一ionliquidC7H14CIN3functionalizedgraphenesheets．ThesewereusedasthecatalystfortheAccepted11November2014hydr0genation

4、of4-carboxybenzaldehyde．ThecatalystexhibitedhighstabilitycomparedtoPublished20February2015Pd／activatedcarboncatalystduetotheinhibitionofPdleachingandaggregation．@2015，DalianInstituteofChemicalPhysics，ChineseAcademyofSciences．PublishedbyElsevierB．V．Allrightsreserved．Key

5、words：PdcatalystGrass—likegraphene4一CarboxybenzaldehydeHydrOgenatiOnThehydrogenationof4一carboxybenzaldehydef4·CBA1isanoxides，thedepositionprocessmustbeprudentlyperformedtoimportantreactioninthepurificationofcrudeterephthalicacidensuretheirhighdispersion．Theotheralterna

6、tiveistoutilizefCTAl『1]．Pd—basedcatalystshavebeenwidelyusedforthisspaceconfinement，forexample，encapsulationofPdparticlesreaction．Asthesupport,mostmetaloxides．suchasA1203andbyporoussilicaoxide【12】orfillingtheinnerspacebyCNTsSiO2，arenotsuitableforthissystemduetotheacidic

7、property[13]．Therefore，ifthereisasemi—opensurrounding，forin—0ftheCTAsolution．whichwoulddissolvethemetaloxide．IDstance，agrass·likesurfacebuiltforthePdparticles，notonlyPdrecentyears，acarbonsupportedPdcatalysthasgainedin—particlestabilizationbutalsoahigheficiencyofmasstra

8、nsfercreasingattractionbecauseoftheimprovedstability【2，3】．willbeensured．Inthiswork,wedesignedastructuredcatalystHowev