Ukusebenzisa i-Rare-Earth Elements ukoyisa iMida yeeSeli zeSolar
Iiseli zeSolar Perovskite Iiseli zelanga ze-Perovskite zineenzuzo ngaphezu kweteknoloji yeeseli zelanga zangoku. Banamandla okuba basebenze ngakumbi, bakhaphukhaphu, kwaye baxabisa ngaphantsi kwezinye izinto ezahlukeneyo. Kwiseli yelanga ye-perovskite, uluhlu lwe-perovskite lufakwe phakathi kwe-electrode ebonakalayo ngaphambili kunye ne-electrode ebonakalayo ngasemva kweseli. Ukuthuthwa kwe-Electrode kunye neengqimba zokuthutha umngxuma zifakwe phakathi kwe-cathode kunye ne-anode interfaces, eququzelela ukuqokelelwa kwentlawulo kwii-electrodes. Kukho iindidi ezine zeeseli zelanga ze-perovskite ezisekelwe kwisakhiwo se-morphology kunye nolandelelwano lwe-layer yoluhlu lwezothutho lwentlawulo: iplani eqhelekileyo, i-inverted planar, i-mesoporous eqhelekileyo, kunye nezakhiwo ze-mesoporous inverted. Nangona kunjalo, kukho iingxaki ezininzi ngetekhnoloji. Ukukhanya, ukufuma, kunye neoksijini kunokubangela ukuthotywa kwabo, ukufunxa kwabo kunokungahambelani, kwaye banemiba yokuphinda bahlawulwe ngokutsha kwentlawulo yemitha. I-Perovskites inokugqweswa yi-electrolyte yamanzi, ekhokelela kwimiba yokuzinza. Ukufezekisa izicelo zabo ezisebenzayo, uphuculo kufuneka lwenziwe kuguqulo lwamandla ngokusulungekileyo kunye nozinzo lokusebenza. Nangona kunjalo, inkqubela phambili yakutshanje kwithekhnoloji ibangele iiseli zelanga ze-perovskite kunye ne-25.5% esebenzayo, oku kuthetha ukuba azikho emva kweeseli eziqhelekileyo ze-silicon photovoltaic solar. Ukuza kuthi ga ngoku, izinto ezinqabileyo zomhlaba ziye zahlolwa kwizicelo kwiiseli zelanga ze-perovskite. Baneempawu zefotophysical ezoyisa iingxaki. Ukuzisebenzisa kwiiseli zelanga ze-perovskite ke ngoko kuya kuphucula iipropati zabo, zenze ukuba zisebenze ngakumbi ekuphunyezweni okukhulu kwezisombululo zamandla acocekileyo. Iiseli zeSolar zePerovskite Zininzi iipropathi ezinenzuzo ezinezinto ezinqabileyo zomhlaba ezinazo ezinokuthi zisetyenziswe ukuphucula umsebenzi wesi sizukulwana sitsha seeseli zelanga. Okokuqala, i-oxidation kunye nokunciphisa amandla kwii-ion zomhlaba ezinqabileyo ziyakwazi ukuguqulwa, ukunciphisa i-oxidation yezinto ekujoliswe kuzo kunye nokunciphisa. Ukongezelela, ukubunjwa kwefilimu encinci kunokulawulwa ngokongezwa kwezi zinto ngokuzidibanisa kunye neeperovskites zombini kunye nokuhlawulisa i-oxide yensimbi. Ngapha koko, ubume besigaba kunye neepropathi ze-optoelectronic zinokuhlengahlengiswa ngokuzifakela endaweni ye-crystal lattice. Ukunyanzeliswa kwesiphene kunokufezekiswa ngempumelelo ngokuzifakela kwinto ekujoliswe kuyo nokuba kuphakathi kwimida yengqolowa okanye kumphezulu wemathiriyeli. Ngaphezu koko, iifoto ze-infrared kunye ne-ultraviolet zinokuguqulwa zibe kukukhanya okubonakalayo kwe-perovskite ngenxa yobukho beendlela ezininzi zoguqulo olunamandla kwiiyoni zomhlaba ezinqabileyo. Izibonelelo zale nto zimbini: ikhusela i-perovskites ukuba yonakaliswe ngokukhanya okuphezulu kwaye yandisa uluhlu lwempendulo ye-spectral yezinto. Ukusebenzisa izinto ezinqabileyo zomhlaba kuphucula kakhulu ukuzinza kunye nokusebenza kakuhle kweeseli zelanga ze-perovskite. Ukulungiswa kweMorphologies yeeFilimu eziNcinci Njengoko bekutshiwo ngaphambili, izinto ezinqabileyo zomhlaba zinokuguqula iimophologies zeefilimu ezibhityileyo ezibandakanya iioksidi zetsimbi. Kubhalwe kakuhle ukuba i-morphology yomgangatho wezothutho ongaphantsi kwentlawulo ichaphazela i-morphology ye-perovskite layer kunye nokudibanisa kwayo kunye nomgangatho wokuthutha intlawulo. Ngokomzekelo, i-doping nge-ion-earth-earth enqabileyo ithintela ukuhlanganiswa kwe-SnO2 nanoparticles enokubangela iziphene zesakhiwo, kwaye iphinde ithobe ukubunjwa kweekristale ezinkulu ze-NiOx, ukudala iyunifomu kunye ne-compact layer of crystals. Ngaloo ndlela, iifilimu ezinqamlekileyo zezi zinto ngaphandle kweziphene zinokufezekiswa nge-doping enqabileyo yomhlaba. Ukongezelela, umgca we-scaffold kwiiseli ze-perovskite ezinesakhiwo se-mesoporous zidlala indima ebalulekileyo ekunxibelelaneni phakathi kwe-perovskite kunye nemigangatho yokuthutha intlawulo kwiiseli zelanga. I-nanoparticles kwezi zakhiwo zingabonisa iziphene ze-morphological kunye nemida emininzi yeenkozo. Oku kukhokelela ekuhlawulweni kwentlawulo embi kunye nokumandundu kwe-non-radiative. Ukuzaliswa kwepore kukwangumba. I-Doping ngee-ion ezinqabileyo zomhlaba zilawula ukukhula kwe-scaffold kunye nokunciphisa iziphene, ukudala i-nanostructures ehambelanayo kunye neyunifomu. Ngokubonelela ngokuphuculwa kwesakhiwo se-morphological ye-perovskite kunye nemigangatho yokuthutha intlawulo, ii-ion zomhlaba ezinqabileyo zinokuphucula ukusebenza ngokubanzi kunye nokuzinza kweeseli zelanga ze-perovskite, okwenza ukuba zifaneleke ngakumbi kwizicelo zorhwebo ezinkulu. Ukubaluleka kweeseli zelanga ze-perovskite azikwazi ukunyanzeliswa. Baza kubonelela ngomthamo ophakamileyo wokuvelisa amandla ngexabiso eliphantsi kakhulu kuneeseli zelanga ezise-silicon zangoku kwimarike. Uphononongo lubonise ukuba i-doping perovskite ene-ion enqabileyo yomhlaba iphucula iimpawu zayo, ezikhokelela ekuphuculeni ukusebenza kakuhle kunye nokuzinza. Oku kuthetha ukuba iiseli zelanga ze-perovskite kunye nokusebenza okuphuculweyo ziyisinyathelo esinye esisondeleyo ekubeni yinyani.
Ixesha lokuposa: Nov-24-2021