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(xué)位論文釩酸鉍制備及光催化性能的研究申請人：學(xué)號：培養(yǎng)單位：學(xué)科專業(yè)：研究方向i指導(dǎo)教師：完成日期：徐玉鵬2090887電子工程學(xué)院微電子學(xué)與固體電子學(xué)功能材料竇雁巍副教授2014年3月28日黑龍江大學(xué)碩士學(xué)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