DSSCs yog ib hom roj teeb uas simulates cov txheej txheem photosynthesis ntawm cov nroj tsuag ntsuab los hloov lub hnub ci zog rau hauv hluav taws xob. Liquid DSSCs yog tsim los ntawm peb qhov chaw: photoanode, kua electrolyte thiab photocathode. Lub photoanode yog tsuas yog los npaj ib tug ntxeem tau semiconductor zaj duab xis rau ntawm conductive substrate khoom thiab muab ib tug txheej ntawm dye photosensitizer; lub photocathode yog los npaj ib txheej ntawm platinum los yog carbon-muaj catalytic cov ntaub ntawv ntawm conductive substrate khoom. Hauv photoanode, cov khoom siv electrode feem ntau yog TiO2. Thaum ib txheej ntawm dye photosensitizer nrog lub teeb zoo nqus cov yam ntxwv txuas rau saum npoo ntawm TiO2, lub hauv paus xeev ntawm cov dye absorbs lub teeb thiab dhau los ua lub xeev zoo siab, thiab tom qab ntawd lub xeev zoo siab dye injects electrons rau hauv conduction band ntawm TiO2 tom qab ua tiav cov Kev sib cais ntawm cov nqa khoom, nws raug xa mus rau lub txee hluav taws xob los ntawm cov hluav taws xob sab nraud, 3-electron hauv cov tshuaj electrolyte raug txo rau I-, thiab cov oxidized dye tom qab txhaj tshuaj electron rov qab mus rau hauv av los ntawm I-. I- nws tus kheej yog oxidized rau I3-, yog li ua tiav tag nrho lub voj voog.
DSSCs muaj qhov zoo ntawm kev sib xyaw ua ke yooj yim thiab cov khoom siv dav, tab sis feem ntau DSSCs siv cov kua electrolytes, uas ua rau electrode corrosion thiab electrolyte to, thiab lub roj teeb stability tsis zoo. Hauv kev teb rau cov teeb meem saum toj no, cov kws tshawb fawb tau ua qee qhov kev nce qib hauv kev tsim cov organic sensitizers thiab khoom DSSCs. Rau DSSCs, yog vim li cas vim li cas qhov kev ua tau zoo yog qhov nyuaj rau kev txhim kho yog tias cov dye sensitizers uas twb muaj lawm tsis tuaj yeem siv infrared photons, uas ua rau lub teeb pom kev zoo qis. Yog li ntawd, lub hom phiaj ntawm kev tshawb fawb yav tom ntej yuav yog tsim kom muaj txiaj ntsig zoo, ruaj khov, pheej yig, tsis yog ruthenium-raws li dye sensitizers uas teb rau ze-infrared teeb. Tsis tas li ntawd, kev txhim kho cov khoom siv hluav taws xob sab hauv lub peev xwm ntawm lub roj teeb, npaj cov khoom siv hluav taws xob zoo thiab ruaj khov, nrhiav cov nqi qis uas tsis yog Pt txee electrodes, thiab kev txhim kho tag nrho cov kev pab cuam lub neej ntawm lub roj teeb kuj tseem ceeb heev rau kev txhawb nqa ntawm DSSCs.
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