Nano-titanium dioxide TIO2 yana da babban aikin photocatalytic kuma yana da kyawawan kaddarorin gani.Tare da tabbatattun kaddarorin sinadarai da ɗimbin tushen albarkatun ƙasa, a halin yanzu shine mafi ƙwaƙƙwaran photocatalyst.

Dangane da nau'in crystal, ana iya raba shi zuwa: T689 rutile nano titanium dioxide da T681 anatase nano titanium dioxide.

Dangane da halayen samansa, ana iya raba shi zuwa: hydrophilic nano titanium dioxide da lipophilic nano titanium dioxide.

   Nano titanium dioxide TIO2yafi yana da nau'i biyu na crystal: Anatase da Rutile.Rutile titanium dioxide ya fi karko kuma mai yawa fiye da anatase titanium dioxide, yana da taurin mafi girma, yawa, dielectric akai-akai da index refractive, kuma ikon ɓoyewa da ikon tinting shima ya fi girma.Nau'in titanium dioxide na anatase yana da mafi girman tunani a cikin ɗan gajeren lokaci na haske mai gani fiye da nau'in titanium dioxide na rutile, yana da launin shuɗi, kuma yana da ƙananan ƙarfin ɗaukar ultraviolet fiye da nau'in rutile, kuma yana da mafi girman aikin photocatalytic fiye da nau'in rutile.A ƙarƙashin wasu yanayi, anatase titanium dioxide za a iya jujjuya shi zuwa rutile titanium dioxide.

Aikace-aikacen kare muhalli:

Ciki har da maganin gurɓataccen yanayi (hydrocarbons, halogenated hydrocarbons, carboxylic acids, surfactants, dyes, nitrogen-dauke da Organics, Organic phosphorus pesticides, da dai sauransu). Gurɓatar ions masu nauyi) da tsabtace muhalli na cikin gida (lalacewar ammonia na cikin gida, formaldehyde da benzene ta hanyar suturar kore na photocatalytic).

Aikace-aikace a cikin kiwon lafiya:

Nano-titanium dioxide bazuwar kwayoyin cuta a karkashin aikin photocatalysis don cimma sakamako na antibacterial, kashe kwayoyin cuta da ƙwayoyin cuta, kuma za'a iya amfani dashi don haifuwa da disinfection na ruwa na gida;gilashin, yumbu, da sauransu waɗanda aka ɗora da TIO2 photocatalysis ana amfani da su a wurare daban-daban na tsafta kamar asibitoci, otal-otal, gidaje, da dai sauransu. Abubuwan da suka dace don ƙwayoyin cuta da deodorizing.Hakanan yana iya hana wasu ƙwayoyin cuta masu haifar da ciwon daji.

Tasirin ƙwayoyin cuta na TiO2 yana cikin tasirin girmansa.Ko da yake titanium dioxide (talakawa TiO2) yana da tasirin photocatalytic, yana iya haifar da nau'i-nau'i na electron da rami, amma lokacin da ya isa saman kayan yana sama da microseconds, kuma yana da sauƙi a sake haɗuwa.Yana da wahala a aiwatar da sakamako na ƙwayoyin cuta, kuma matakin nano-watsawa na TiO2, electrons da ramukan farin ciki da haske suna ƙaura daga jiki zuwa saman, kuma yana ɗaukar nanoseconds, picoseconds, ko ma femtoseconds.Sake haɗawa da electrons da ramuka masu ɗaukar hoto shine A cikin tsari na nanoseconds, zai iya yin ƙaura da sauri zuwa saman ƙasa, ya kai hari ga ƙwayoyin cuta, kuma yana kunna sakamako mai kama da ƙwayar cuta.

Anatase nano titanium dioxide yana da babban aiki na sama, ƙarfin ƙwayar cuta mai ƙarfi, kuma samfurin yana da sauƙin watsawa.Gwaje-gwaje sun nuna cewa nano-titanium dioxide yana da ƙarfin ƙwayar cuta mai ƙarfi akan Pseudomonas aeruginosa, Escherichia coli, Staphylococcus aureus, Salmonella da Aspergillus.An yarda da shi sosai kuma an yi amfani da shi sosai a cikin samfuran ƙwayoyin cuta a cikin fagagen yadi, yumbu, roba, da magani.

Anti-hazo da shafi mai tsaftace kai:

A karkashin hasken ultraviolet, ruwa yana shiga cikin fim din titanium dioxide gaba daya.Saboda haka, sanya wani Layer na nano-titanium dioxide a kan madubin gidan wanka, gilashin mota da madubin bayan baya na iya taka rawa wajen hana hazo.Hakanan zai iya gane tsabtace saman fitilun titi, titin gadi, da gina fale-falen bango na waje.

Ayyukan Photocatalytic

Sakamakon binciken ya gano cewa a ƙarƙashin aikin hasken rana ko haskoki na ultraviolet a cikin haske, Ti02 yana kunnawa kuma yana haifar da radicals kyauta tare da babban aiki na catalytic, wanda zai iya samar da ƙarfin photooxidation mai karfi da raguwa, kuma yana iya haɓakawa da photodegrade daban-daban formaldehyde da aka haɗe zuwa saman. na abubuwa.Kamar kwayoyin halitta da wasu kwayoyin halitta.Zai iya yin aikin tsarkake iska na cikin gida.

UV garkuwa aiki

Duk wani titanium dioxide yana da takamaiman ikon ɗaukar hasken ultraviolet, musamman hasken ultraviolet mai tsayi mai tsayi wanda ke cutar da jikin ɗan adam, UVA\UVB, yana da ƙarfi mai ƙarfi.Kyakkyawan kwanciyar hankali na sinadarai, kwanciyar hankali na thermal, rashin guba da sauran kaddarorin.Ultra-lafiya titanium dioxide yana da mafi ƙarfi ikon sha ultraviolet haskoki saboda da karami size (m) da kuma mafi girma aiki.Bugu da ƙari, yana da sautin launi mai haske, ƙananan abrasion, da kuma kyakkyawan tarwatsawa mai sauƙi.An ƙaddara cewa titanium dioxide shine mafi yawan kayan da ba a iya amfani da su ba a cikin kayan shafawa.Dangane da ayyukanta daban-daban a cikin kayan kwalliya, ana iya amfani da halaye daban-daban na titanium dioxide.Za a iya amfani da fari da ƙarancin titanium dioxide don yin kayan kwalliyar launuka masu yawa.Lokacin da aka yi amfani da titanium dioxide azaman ƙarar farin, ana amfani da T681 anatase titanium dioxide, amma lokacin da aka yi la'akari da ikon ɓoyewa da juriya na haske, Yana da kyau a yi amfani da T689 rutile titanium dioxide.