CAJ | 학술논문

以钛酸丁酯和自制铁酸锌为原料,用溶胶-凝胶法制备了未掺杂的纳米TiO2和掺杂的ZnFe2O4-TiO2纳米粉体,利用SEM和XRD对产物的晶型、晶貌及晶粒大小进行表征,并通过对甲基橙的光催化降解研究了掺杂铁酸锌对纳米TiO2光催化活性的影响.结果表明:在500℃煅烧得到的纳米粉体光催化活性较高,催化剂的用量为1.0g/L时,其催化效果最好,对甲基橙的降解率分别为95%和96%.
이태산정지화자제철산자위원료,용용효-응효법제비료미참잡적납미TiO2화참잡적ZnFe2O4-TiO2납미분체,이용SEM화XRD대산물적정형、정모급정립대소진행표정,병통과대갑기등적광최화강해연구료참잡철산자대납미TiO2광최화활성적영향.결과표명:재500℃단소득도적납미분체광최화활성교고,최화제적용량위1.0g/L시,기최화효과최호,대갑기등적강해솔분별위95%화96%.
@@@@Theundopednano-TiO2anddopedtheZnFe2O4-TiO2nanopowderswerepreparedbymethodofsol-gel,whichusedtetrabutyltitanateandhomemadezincferriteasraw material.Thegraintype,grainappearance,grainsizeoftheproductwascharacterized bySEM,XRDtostudytheinfluenceofnanometerTiO2 whichdopedtheZnFe2O4tothephotocatalyticdegradationofmethylorange. Theresultsshowthathighestphotocatalyticactivityofnanopowderwascalcinedat500℃,theamountofcatalystis1.0g/L,which showstheprefetcatalyticeffecttothedegradationrateofmethylorangewere95%and96%,respectively.