28567.釩酸鉍制備及光催化性能的研究

1、分類號UDC密級公開舅毋廬夕擎碩士研究生學位論文釩酸鉍制備及光催化性能的研究申請人：學號：培養(yǎng)單位：學科專業(yè)：研究方向i指導教師：完成日期：徐玉鵬2090887電子工程學院微電子學與固體電子學功能材料竇雁巍副教授2014年3月28日黑龍江大學碩士學位論文AbstraotWithglobalenergycrisisandenvironmentalpollutionproblemgettingserious，semiconductormed

2、iatedheterogeneousphotocatalysisusingsunlightasenergyisaverygoodoutlookingtechnologyfordepurationwithoutgeneratingharmfulbyproducts，thephotocatalystisthesignificantkeyforthephotocatalysisTheBisystermternaryoxideBiV04degr

3、adepollutantsveryeffective，anditsstability，nontoxic，lowenergygapSOthathasbecamethefocusinlight—catalysisThroughthehydrothermalmethod，wepreparedpolyhedral，blockyshapesofmonoclinieBiV04materialsbasedonBi(NOs)s。5H20andNH4V0

4、3TheBiV04sampleswererepresentbyXRD，SEMetal，tostudytheeffectofpHvalue，temperature，dwelltimeandtheuselevelofsurfaceactiveagentoncrystalstructure，morphologyandcatalyticperformanceofsamples，TheBiV04materialswereusedtodegrade

5、RhB，toexaminesBiV04samplesphotoctalyticabilityTheresultsshowthatgoodmonoelinicBiV04canbeobtainedviaahydrothermalrouteof110。C，24h，withtherecipeofBi：V：CTAB=I：l：1inmolarratio，thesolutionforneutral，whichpossesshighestphotoca

6、talyticactivityunderthevisiblelightirradiationMorethan90％ofRhBweredegradedaftervisiblelightirradiationforthreehoursTheBiV04sampleswereblockstructureTosolvetheproblemsthatBiV04hashigherrecombinationrateofelectronic—hole，a

7、ndlowerutilizationrateoflightquanta，Byintroducingtherareearthmetalionsoncatalystmodification，WOtrytoimproveitsphotocatalyticactivityunderthevisiblelightirradiationExperimentalinvestigationshowsthatthehydrothermalsynthesi