電子能譜儀樣品分析前處理裝置的研制及XPS的應(yīng)用.pdf

1、廈門大學(xué)碩士學(xué)位論文電子能譜儀樣品分析前處理裝置的研制及XPS的應(yīng)用姓名：孫海珍申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：物理化學(xué)指導(dǎo)教師：王水菊20070801摘要AbstractXrayphotoelectronSpectroscopyprovidingmanyinformationsuchaschemicalstates，surfacecompositionandstructureandSOon，hasbeenregardedasthecrucia

2、lmeasurementonsurfaceanalysisButpresent—dayelectronspectroscopycannotbeusedtoanalyzesamplereactedinsituThisthesisdesignandmanufactureasamplepretreatmentdeviceforelectronspectroscopywhichCallbeusedtotransferthesampletothe

3、spectrometerundernitrogenwithoutexposuretoairInordertoinvestigatetheeffectiveofthedesigneddevice，theformsofsurfacespeciesinoxidic，reducedandsulfidedNiMoP／A1203catalystswereinvestigatedbyXPStechniqueTheresultsarelistedbel

4、ow：(1)Thecatalystscannotbereducedinthehydrogenbelow300。C(2)Nomatterwhatpretreatmentmethod，themainspeciesonsurfacesofcatalystsafterthiophenehydrodesulfurizationreactionaremolybdenumnickeloxysulfide，molybdenumsulfideandmet

5、alnickelThererfore，thecatalystexhibitshighactivityforthiophenehydrodesulfurization(HDS)underpresulfidationandcalcinationfreeconditionsTheresultsshowedthatnooxidationofthecatalystsoccurredduringthetransferofthesamplefromt

6、hesulfidingreactortotheXPSchamberbyusingthesamplepretreatmentdeviceIntheapplicationofXrayPhotoelectronSpectroscopyinsurfaceanalysis，theresultsarelistedbelow：(1)ThroughXPSdissectionaninorganicfluorescentmaterial—theoptica

7、ltransitionadditiveinfarmfilm，itcanbearrivedthatthestateofCaandSexistasmultimodalityCuasCuandEuasEu2inthepreparationofaninorganicfluorescentmaterial，andmostlyoxygenisthenearestcoordinationatomnotonlywithCubutalsowithEu“(