改性多酸基碳材料的設(shè)計合成及結(jié)構(gòu)表征.pdf

1、遼寧師范大學(xué)碩士學(xué)位論文改性多酸基碳材料的設(shè)計合成及結(jié)構(gòu)表征姓名：王博慧申請學(xué)位級別：碩士專業(yè)：化學(xué)、無機化學(xué)指導(dǎo)教師：曲江英；姜春杰201204改性多酸基碳材料的設(shè)計合成及結(jié)構(gòu)表征PreparationandcharacterizationofmodificatedpolyoxometalatesbasedcarbonnanomaterialsAbstractPolyoxometalates(POMs)arenanosizedwell

2、—definedmetal—oxideclusteranionswithhi。ghstructural，chemicalandelectronicversatilityPolyoxometalateshavereceivedconsiderableinterestinchemistryandmaterialsciencebecauseoftheirpotentialapplicationsuchasinoptical，electrica

3、ndmagneticfieldsHowever，thedevelopmentofmaterialsanddevicesbasedonPOMsWasgreatlyrestrictedbecauseoftheirhighsolubilityinpolarsolventandsmallsurfaceareaPracticalapplicationsofPOMsintheseareasdependonthesuitableimmobilizat

4、ionofthePOMsonthesupportsBasedontheaboveanalysis，theconceptsofPOMsbasedcompositeshavebeendevelopedinthisstudyThecompositematerialswerecharacterizedbyIR，XRD，RamanandPOMtechniquesThemainresultsaresummarizedasfollows：1Graph

5、eneoxide／phosphomolybdicacidcompositeswerepreparedbyphosphomolybdicacidloadedonthegrapheneoxidewhichWaspreparedaccordingtothemodifiedHummer’Smethod，towardsthetwoapproachesofinsituassemblyandpost—synthesisstrategiesTheana

6、lysesofXRDandTEMimagesshowedthatphosphomolybdicacidWassuccessfullyintroducedanduniformlydispersedinthegrapheneoxideplateletsIRanalysisindicatedthattheinteractionexitedbetweengraphenesheetsandphosphomolybdicacidThewellsol

7、ublegrapeneoxide／phosphomolybdicacidcompositesexhibitednematicliquidcrystallinityinwater，whichWasbetterthanthatofthegrapheneoxideOurresultsprovidethewaytointroducepolyoxometalatesintotheliquidcrystallinitywhichisexpected

8、tohaveavarietyofapplicationsforpolyoxometalatesandgrapheneoxide2ThesynthesisofGS／PM012compositesWascarriedoutinadielectricbarrierdischarge(DBD)reactorTheTEMimagesshowedthatphosphomolybdicacidWassuccessfullyintroducedandu

9、niformlydispersedinthegrapheneplateletsThegraphenePOMhybridcompositespossessedlargesurfacearea(1879mz／g)3Aseriesofsurfactant—encapsulatedpolyoxometalatecompositeshadsynthesizedbyelectrostaticinteraction，andthesurfactanti