Kumenyekanisha:
Mu rwego rw'ibikoresho siyanse,Titanium dioxyde(Tio2) yagaragaye nkikigo gishimishije gifite urwego runini rwa porogaramu. Iki kigo gifite imitungo myiza n'imiterere, bigatuma itagereranywa mu nzego nyinshi z'inganda. Kugirango dusobanukirwe neza imico idasanzwe, imiterere ya titaniyumu ya dioxyde igomba kwigwa mubujyakuzimu. Muri iyi nyandiko ya blog, tuzasesengura imiterere ya titanium dioxyde kandi ikabora kubwimpamvu zifatizo zinyuramire zidasanzwe.
1. Imiterere ya Crystal:
Titanium dioxyde ifite imiterere ya kirisiti, igenwa cyane cyane na gahunda yihariye ya atome. NubwoTio2Ifite ibyiciro bitatu bya Crystalline (Anatase, biteye ubwoba, na Brookite), tuzibanda kumpapuro zombi zisanzwe: rutile na anatase.
A. Imiterere ya rututile:
Icyiciro cya rututu kizwiho imiterere ya kirisiti ya tetragonal, aho buri titanium atom akikijwe na atome ya ogisijeni esheshatu za ogisijeni, igahisha octahedron yagoretse. Iyi gahunda ikora urwego rwinshi rwa atome hamwe na ogisifuraga ya ogisijeni. Iyi miterere itanga iterambere ryuzuye kandi iramba, bigatuma bikwiranye na porogaramu zitandukanye, harimo irangi, cerami, ndetse n'izuba.
B. Imiterere ya Anatase:
Ku bijyanye na Anatase, atom ya titanium ifitanye isano na atome eshanu za ogisijeni, ikora octahedrons isangira impande. Kubwibyo, iyi gahunda ibisubizo muburyo bufunguye hamwe na atome nkeya kuri buri gice ugereranije na rulile. Nubwo ubucucike buke, Anatase Erekana Ibiranga Byifoto Yifoto, bikabikora ibintu byingenzi mumirasire yizuba, uburyo bwo kweza ikirere no kwikuramo kwisukura.
2. Ingero zingufu:
Ihuriro ryingufu ni ikindi kintu cyingenzi kiranga tio2 kandi kigira uruhare mubintu byihariye. Iri tsinda rigena imikorere yinyamanswa hamwe nubushake bwo kwinjiza urumuri.
A. Imiterere ya Rutile:
Rutile tio2Ifite icyuho kigufi cyumwana ugereranije na 3.0 ev, kubigira umuyobozi wamashanyarazi make. Ariko, imiterere yitsinda irashobora gukuramo urumuri rwa ultraviolet (UV), bigatuma ari byiza gukoreshwa muri UV abarinda UV nkizuba.
B. Imiterere ya Anatase Imiterere:
Anatase, kurundi ruhande, yerekana icyuho cya musonga cya 3.2 ev. Ibi biranga bitanga Anatase Tio2 Igikorwa Cyiza Cyiza. Iyo uhuye numucyo, electrons mu itsinda rya Valence barishima no gusimbukira mu itsinda rikora, bigatuma habaho imyanda itandukanye no kugabanya. Iyi mitungo ifungura umuryango kubisabwa nko kwezwa amazi no kugabanya ihungabana ryumwuka.
3. Inenge no guhindura:
Theimiterere ya tio2ntabwo ifite inenge. Izi nzego nihindurwa bigira ingaruka kuburyo bugaragara kumubiri no mumiti.
A. Imyanya ya Oxygen:
Inenge mu buryo bw'imyanya ya ogisijeni muri Tio2 Lattice itangira kwibanda kuri electron itarewe, iganisha ku bikorwa bya kataleti no kwishyiriraho ibigo.
B. Guhindura hejuru:
Guhindura hejuru yubuso, nko gukora hamwe nibindi byinzibacyuho ion cyangwa imikorere nibice kama, birashobora kuzamura imitungo imwe ya Tio2. Kurugero, kunyungukiramo ibyuma nka platine birashobora kunoza imikorere ya kataleti, mugihe amatsinda yimikorere yimbere arashobora kuzamura ibintu byumubiri na fuctioctite.
Mu gusoza:
Gusobanukirwa imiterere idasanzwe ya Tio2 ni ngombwa gusobanukirwa imitungo yayo idasanzwe hamwe nuburyo butandukanye. Buri bwoko bwa kristalline ya Tio2 ifite imitungo idasanzwe, uhereye kumiterere ya tetragonal ya rututile kugeza kumiterere ifunguye, fotografia tanase ikora. Mugushakisha icyuho cyingufu hamwe nindyu mubikoresho, abahanga barashobora kurushaho kunoza imitungo yabo kubisabwa kuva kuri tekinike yo kwezwa. Mugihe dukomeje gukwirakwiza amayobera ya titanium dioxyde de Titanium, ubushobozi bwabwo muri revolution yinganda isuzumwa.
Igihe cyo kohereza: Ukwakira-30-2023