Nyob rau hauv precision manufacturing ntawm perovskite hnub ci hlwb thiab optoelectronic pab kiag li lawm, qhov tseeb ntawm txheej txheej ncaj qha txiav txim lub photoelectric conversion efficiency ntawm cov khoom. Raws li cov khoom siv tseem ceeb ntawm cov khoom siv txheej txheej, qhov ntom ntom ntawm granite (feem ntau yog 2600-3100kg / m³) tsis yog qhov taw qhia lub cev nkaus xwb tab sis yog qhov tseem ceeb uas cuam tshuam rau kev ruaj ntseg, kev co kuj thiab kev cia siab ntev ntawm cov khoom siv. Cov hauv qab no yog kev soj ntsuam ntawm nws cov kev sib txuas sab hauv los ntawm plaub qhov loj.
High-density kev tsim kho ntawm "zero displacement" ruaj khov foundation
Perovskite coatings muaj cov kev xav tau siab heev rau qhov chaw tiaj tus ntawm lub substrate (Ra≤0.5μm), thiab txhua qhov kev hloov pauv ntawm lub hauv paus tuaj yeem ua rau tsis sib xws txheej thickness lossis pinhole tsis xws luag. Granite nrog qhov ceev ntawm ≥3100kg / m³ tuaj yeem tsim muaj zog inertial loj heev vim nws cov ntxhia sib cuam tshuam zoo sib xws hauv. Nyob rau hauv ib tug tej yam TOPCon perovskite tandem roj teeb ntau lawm kab, tom qab txais ib tug high-density granite puag, txheej thickness sib txawv ntawm cov cuab yeej txo los ntawm ± 15nm mus rau ± 3nm nyob rau hauv ib puag ncig ntawm high-frequency mechanical vibration (50-200Hz), ho txhim kho qhov sib xws ntawm tam sim no-voltage nkhaus ntawm lub roj teeb.
2. Qhov zoo correlation nyhuv ntawm qhov ceev thiab vibration attenuation
Thaum lub sij hawm txheej txheej txheej, lub siab ceev txav ntawm precision txheej lub taub hau (nrog ib tug linear ceev tshaj 800mm / s) yog nquag ua rau resonance nyob rau hauv cov khoom. Cov kev tshawb fawb qhia tau hais tias rau txhua txhua 10% nce nyob rau hauv qhov ceev ntawm granite, kev co attenuation efficiency yuav tsum tau txhim kho los ntawm 18%. Thaum qhov ceev nce mus txog 3100kg / m³, nws lub ntuj zaus tuaj yeem qis li 12Hz, kom tsis txhob muaj kev vibration-rhiab heev (20-50Hz) ntawm cov khoom siv txheej. Ib pab neeg tshawb fawb German cov kev sim tau pom tias cov pob zeb loj-density tau nce cov yeeb yaj kiab thickness uniformity ntawm cov txheej txheem perovskite spin-txheej txheej los ntawm 27% thiab txo qhov tsis xws luag los ntawm 40%.
3. High-density enhanced thermal stability kev ua tau zoo
Perovskite cov ntaub ntawv yog cov rhiab heev rau qhov kub thiab txias. Kev hloov pauv ntawm 0.1 ℃ tuaj yeem ua rau lattice distortion. Vim tias qhov sib txawv ntawm cov atomic nyob sab hauv, cov coefficient ntawm thermal expansion ntawm high-density granite (4-6 × 10⁻⁶ / ℃) yog 30% qis dua li cov khoom siv. Nyob rau hauv cov txheej txheem annealing (100-150 ℃), lub hauv paus high-density tuaj yeem tswj cov thermal deformation ntawm cov khoom tseem ceeb nyob rau hauv ± 0.5μm, xyuas kom meej tias cov txheej txheem tswj nanoscale flatness tom qab high-temperature kho thiab zam txheej txheej tawg los ntawm thermal stress.
4. Lub sijhawm ua haujlwm ntev "tiv thaiv kev qaug zog" lav
Cov khoom siv txheej txheej perovskite ua haujlwm rau ntau tshaj 16 teev hauv ib hnub ntawm qhov nruab nrab, thiab lub hauv paus yuav tsum tau tiv thaiv kev ntxhov siab tsis tu ncua. Granite nrog ib qhov ceev ntawm 3100kg / m³ muaj lub zog compressive ntawm ≥200MPa thiab nws hnav tsis kam yog tsib npaug ntawm cov hlau zoo tib yam. Qhov ntsuas ntsuas ntsuas ntawm qee cov khoom siv hluav taws xob ua haujlwm tau txo qis ntawm 3.2% nyob rau hauv tib lub sijhawm, kev txo cov khoom siv txij nkawm thiab kev pheej hmoo ntawm kev pheej hmoo ntawm cov cuab yeej khoom siv.
Xaus: Xaiv qhov siab ceev txhais tau tias xaiv kev ua haujlwm siab
Los ntawm nanoscale txheej precision mus rau lub sij hawm ntev kev lag luam ruaj khov ntawm cov kab ntau lawm, qhov ntom ntawm granite tau dhau los ua qhov tseem ceeb cuam tshuam rau kev ua haujlwm ntawm perovskite txheej khoom. Rau cov chaw tsim khoom lag luam uas ua raws li kev ua tau zoo thiab kev ua tau zoo, xaiv cov pob zeb granite zoo nrog lub peev xwm ntawm ≥3100kg / m³ (xws li ZHHIMG® cov khoom muaj ntawv pov thawj) tsis tsuas yog lav cov txheej txheem tam sim no tab sis kuj sawv cev rau kev nqis peev zoo rau kev txhim kho lub peev xwm yav tom ntej.
Post lub sij hawm: Jun-10-2025