導(dǎo)電聚合物的電化學(xué)穩(wěn)定性研究.pdf

1、中國科學(xué)技術(shù)大學(xué)碩士學(xué)位論文導(dǎo)電聚合物的電化學(xué)穩(wěn)定性研究姓名：孫莉申請學(xué)位級別：碩士專業(yè)：分析化學(xué)指導(dǎo)教師：張漢昌20050501中國科學(xué)技術(shù)大學(xué)碩士學(xué)位論文英立摘要AbstractTheinvestigationprogressofconductingpolymerwasreviewedatfirst，andthenthechemicalcharacterizes，physicalspecialtiesandapplicablepro

2、spectsofPolyanilne(PAn)andPolypyrrole(PPy)films，whichwerebothoneofcomprehensivelystudiedpolymers，werediscussedThedopingandcopolymerizationmethodswereusedforthetwopolymerstochangetheirstructureandpropertyandfurtherimprove

3、theirelectrochemicalstabilityTheexperimentalabstractswereasfollowsPAnwaspreparedbyaddingthreedifferentquaternaryammoniumsaltstoH2S04electrolyteandtheeffectofthecationsontheelectrochemicalpolymerizationanddegradationofPAn

4、filmwasresearchedbyUVVisabsorptionspectraandelectrochemicaltechniquesTheresultshowedthatquaternarycationshinderedgraduallythepolymerizationofanilinewithincreaseofthesize，whichmadetheporosityofthefilmsmallerandthemorpholo

5、gymorecompactcomparedwithpurePAnfilmsAlthoughthecationsdidn’tchangetheelectrodereactiveprocessofPAn，theyaffectedtheoxidationvelocityandthedegradationrateofthefilmsinthefollowingorder：Bu4NEhNMe4N，andthestabilityofthefilms

6、wasenhancedTheeffectofalittlephenylenediaminesonthepolymerizationrateofanilineandthedegradationprocessofPAnfilmarestudiedrespectivelyExperimentalresultsshowedthattheinfluencingtrendswerethesameforthemThepresenceofPPDacce

7、leratedthepolymerizationofanilineandthereforethedegradationofPAnfilm，butMPDandOPDrestrainedthemandthedegradationrateofPAncouldgreatlydecreasewithadditionofOPDProbablythestructureofphenylenediaminesaffectedthepolymerizati

8、onmechanismandacertainextentchangedthechemicalphysicscharacterofPAnfilmsScanningelectronmicroscopy(SEM)imagesdisplayedsomeinfluencesofphenylenediaminemonomersonthemorphologyofPAnfilms，namelytheybecamemorecompactandsmooth