Titanium dioxide(TiO2) yog ntau yam xim siv nyob rau hauv ntau yam kev lag luam, nrog rau cov xim, txheej, yas thiab tshuaj pleev ib ce.Nws muaj nyob rau hauv ob lub ntsiab siv lead ua: rutile thiab anatase.Kev nkag siab qhov sib txawv ntawm ob daim ntawv no yog qhov tseem ceeb rau kev xaiv TiO2 hom raug rau ib daim ntawv thov tshwj xeeb.
Rutile thiab anatase yog ob hom titanium dioxide, tab sis lawv muaj cov khoom sib txawv uas ua rau lawv haum rau kev siv sib txawv.Rutile paub txog nws zoo heev UV tiv thaiv thiab huab cua tsis kam, ua rau nws yog ib qho kev xaiv nrov rau kev siv sab nraum zoov xws li cov xim sab nrauv thiab txheej.Anatase, ntawm qhov tod tes, muaj nuj nqis rau nws cov kev ua haujlwm siab photocatalytic, ua rau nws zoo tagnrho rau cov ntawv thov xws li cov txheej txheem ntxuav tus kheej thiab cov tshuab lim cua.
Ib qho ntawm qhov sib txawv tseem ceeb ntawm rutile thiab anatase yog lawv cov qauv siv lead ua.Rutile muaj ib tug tetragonal siv lead ua qauv, thaum anatase muaj ib tug complex orthorhombic siv lead ua qauv.Qhov sib txawv ntawm cov qauv no ua rau muaj kev hloov pauv hauv lawv lub cev thiab tshuaj lom neeg, thaum kawg cuam tshuam rau lawv cov kev ua tau zoo hauv kev siv sib txawv.
Nyob rau hauv cov nqe lus ntawm optical zog,rutile TiO2muaj ntau dua refractive index thiab opacity tshaj anatase.Qhov no ua rau rutile yog thawj qhov kev xaiv rau cov ntawv thov uas qhov opacity thiab ci ntsa iab yog qhov tseem ceeb, xws li cov xim dawb thiab cov coatings.Anatase, ntawm qhov tod tes, muaj qhov ntsuas qis qis dua thiab feem ntau siv rau hauv cov ntawv thov uas yuav tsum tau ua kom pom tseeb thiab pom tseeb, xws li cov xim ntshiab thiab cov tshuaj pleev thaiv hnub.
Lwm qhov tseem ceeb uas yuav tsum tau xav txog thaum xaiv ntawm rutile thiab anatase TiO2 yog lawv cov haujlwm photocatalytic.Anatase muaj ntau dua photocatalytic efficiency tshaj rutile, ua rau nws haum rau daim ntaub ntawv uas yuav tsum tau kev tu tus kheej thiab cov pa phem-txo cov khoom.Cov cuab yeej no tau coj mus rau kev siv cov anatase titanium dioxide hauv cov khoom xws li cov iav ntxuav tus kheej, cua purification systems thiab antimicrobial coatings.
Nws tseem tsim nyog sau cia tias cov txheej txheem tsim khoom ntawm rutile TiO2 thiabAnatase TiO2tuaj yeem sib txawv, ua rau muaj qhov sib txawv ntawm lawv qhov loj me, thaj chaw saum npoo, thiab cov yam ntxwv agglomeration.Cov yam ntxwv no tuaj yeem cuam tshuam rau kev tawg, kev ruaj ntseg thiab kev ua tau zoo ntawm TiO2 hauv cov qauv sib txawv, ntxiv rau qhov tseem ceeb ntawm kev xaiv hom zoo rau ib daim ntawv thov tshwj xeeb.
Hauv cov ntsiab lus, qhov sib txawv ntawm rutile TiO2 thiab anatase TiO2 txuas ntxiv dhau lawv cov qauv siv lead ua rau lawv cov khoom siv kho qhov muag, photocatalytic, thiab cov khoom ua haujlwm.Kev nkag siab txog qhov sib txawv no yog qhov tseem ceeb rau kev txiav txim siab paub thaum xaiv TiO2 rau ntau yam kev siv.Los ntawm kev xaiv cov ntawv tsim nyog ntawm titanium dioxide, cov tuam ntxhab tuaj yeem ua kom zoo dua qhov kev ua tau zoo thiab kev ua haujlwm ntawm lawv cov khoom, thaum kawg ua tau raws li cov kev cai tshwj xeeb ntawm cov neeg siv khoom kawg.
Post lub sij hawm: Apr-26-2024