有機(jī)改性Fe-TiO2光催化劑的制備負(fù)載及其光催化性能的研究.pdf

1、中國(guó)石油大學(xué)（華東）碩士學(xué)位論文有機(jī)改性FeTiO2光催化劑的制備負(fù)載及其光催化性能的研究姓名：孔訪申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：環(huán)境科學(xué)與工程指導(dǎo)教師：鄭經(jīng)堂201205StudyonthePreparationOrganicModificationLoadAndPhotocatalyticpropertiesofFe—Ti02PhotocatalysKongFang(EnvironmentalScienceandEngineering)D

2、irectedbyProfZhengJingtangAbstractInthisstudyUSesol—geltoprepareTi02，F(xiàn)e—dopedTi02，F(xiàn)e／SDS—Ti02withFedopingandSDS(Sodiumdodecylsulfate)organicallymodifying；andactivatedcarbonfiber(ACF)asthecarrierusesolgelmethodandimpregna

3、tionmethodtoprepareFeTi02／ACFcompositephotocatalystcontainingFe—dopedTi02thinfilms，thenanalysthedopingandmodifingsamplesbyXRD，UVVis，SEM，TEMUsephotocatalystsamplespreparedabovetodophotocatalyticexperimentsbymethylorange(M

4、O)嬲simulatepollutant，exploringtheimpactofdoping，theSDSoftheorganicmodifierandcalcinatingtemperatureonitsphotocatalyticactivityThedopingofFeCancapturethephotoinducedelectronseffectivelyinhibitthecompoundoftheelectronhole，

5、makeTi02absorptionbandedgeredshiftandthenimprovethephotocatalyticefficiencyAccordingtoXRDandTEManalysis，itcarlbeseenthatFedopedZi02makethegrainsizedecreaSe，CaninhibitthegrowthoftheTi02particles，andmaketheTi02latticedisto

6、rt；TheUVvisanalysisshowsthatFedopedTi02makebandsgapdecrease，absorptionedgewithredshift；SEManalysisshowsthattheincreaseofthedopedparticlesmakethespecificsurfaceareaincreaSeintherightamountofdoping，theaboveanalysisshowedth

7、atthedopingofFecanimprovethephotocatalyticpropertiesofnano—Ti02Inthepreparationofsamplesanddegradationexperiments，theoptimaldopingmolarratioofFeisO1％，theoptimumcalcinatingtemperatureis600“CnleorganicmodifierSDScanchanget

8、henatureofFedopedTi02particlesXRDanalysisshowedthatthemodificationofSDSCallchangethesizeofFeTi02particles，causethechangesofthespecificsurfaceareaandlatticedistortion，thuschangeitsphotocatalyticpropertiesonFe／SDS—Ti02；TEM