1. Dab tsi yog polysilicon?
Polysilicon (polycrystalline silicon) yog qhov siab-huv silicon cov khoom muaj ntau nplej. Nws yog ua tiav los ntawm kev ua kom huv, txo qis, kev tso nyiaj thiab lwm cov txheej txheem, thiab yog siv dav hauv kev lag luam ntawm hnub ci thiab cov kev lag luam semiconductor thiab semiconductor kev lag luam.
2. Lub ntsiab siv ntawm polysilicon
Polysilicon feem ntau yog siv nyob rau hauv ob daim teb hauv qab no:
(1) Solar photovoltaic (PV) Kev Lag Luam:
- Kev tsim khoom ntawm lub hnub ci ntsa iab (photovoltaic modules).
- Vim tias tus nqi tsim lag luam tsis muaj, polysilicon photovoltaic muaj kev lag luam ntau dua li Monocrystalline thiab haum rau cov nroj tsuag hluav taws xob loj.
(2) semiconductor kev lag luam:
- Raws li cov khoom siv yooj yim rau chip tsim.
- Cov Kev Kawm Qib Qeb polysilicon Purity yog qhov ntau heev (feem ntau txog 99.999999 %50, piv txwv li 9N lossis siab dua).
- Nws yog tsuas yog siv los tsim Silicon Wafers (silicon wafers), thiab tom qab ntawd lawv cov txheej txheem hluav taws xob, xws li cov microprocess, nco, thiab lwm yam.
3. Ntau Lawm Technology ntawm polycystalline silicon
Kev npaj ntawm polysilicon tsuas yog suav nrog cov kauj ruam hauv qab no:
(1) Cov Khoom Siv Khoom Siv Raw Ua Si:
- Tshuaj lom neeg puried yog nqa tawm txhawm rau txhim kho cov khoom huv si ntawm silicon los ntawm kev siv cov lus siomicon (nrog cov ntsiab lus ntawm 98% {%) raws li cov khoom siv raw.
(2) Vapor Theem Deposition txoj kev (txhim kho Siemens Txujcens):
- Lub hydrogenation cov txheej txheem chlorination (Si + HCL → shcl₃) tau siv los hloov silicon rau hauv trichlorosilicon (Sihcl₃).
- Tom qab ntawd nws yog tso rau hauv high-purity polycrystalline silicon los ntawm kev txo cov tshuaj tiv thaiv (Sihcl₃ + H₂ → Si + HCl).
- Cov txheej txheem no yuav tsum tau nqa tawm ntawm qhov kub (1100-1200 degree) thiab cov kev mob siab.
(3) cua txias thiab crushing:
- Lub polysilicon tsim tawm feem ntau yog tas licem lossis blocky thiab xav kom tawg rau qhov loj me rau kev ua kom zoo ntxiv.
(4) Kev ua kom huv thiab nrhiav kom paub:
- Kev ua kom huv ntxiv thiab kev sim ua yog ua kom ntseeg tau tias cov kev xav tau ntawm photovoltaic lossis semiconductors tau ntsib.
4. Lub khw lag luam polysilicon
- Tam sim no, cov neeg tsim khoom loj ntawm polysilicon loj hauv lub ntiaj teb suav nrog Suav, Tebchaws Asmeskas, Tebchaws Asmeskas thiab Kaus Lim Qab Teb thiab Sab Qab Teb Kauslim.
- Suav teb yog lub ntiaj teb cov polysilicon loj tshaj plaws, thiab nws cov chaw tsim khoom loj xws li siv lub zog nyem nrog rau lub zog tshiab
- Vim yog txoj kev loj hlob sai ntawm cov photovoltaic, qhov kev thov rau high-purity polysilicon tseem loj tuaj.
Polysilicon yog cov khoom siv tseem ceeb ntawm cov kev lag luam hnub ci thiab semiconductor. Piv nrog tib lub crystal silicon, nws muaj qis dua cov nqi ntau lawm, tab sis nws purity thiab photoLeefric hloov efficiency yog me ntsis qis dua me ntsis. Nrog rau kev txhim kho sai sai ntawm cov photovoltaic thiab semiconductor Industries, thiab yuav them ntau dua rau kev ua kom zoo dua qub thiab cov txheej txheem ntau lawm yav tom ntej.
Yog tias koj txaus siab, thov hu rau peb hauv qab no.
Cim npe nrov: Polysilicon, Tuam Tshoj Polysilicon Chaw Tsim Tshuaj, Cov Chaw Muag Khoom, Hoobkas
