Kev Qhia Tshwj Xeeb Yuav Ua Kom Muaj Hlau Hlau Silicon Hmoov
Cov txheej txheem tsim khoom
A. Cov ntaub ntawv nyoos:
Quartz (siio₂) ua ntej
Carbon reductants (roj av coke, thee, cov ntoo av)
B. Cov Qauv Ntau Lawm:
Carbothermic txo (hluav taws xob arc rauv):
Sio₂ + C → SI + CO (ntawm 1, 800-2, {{{4 4} degree)
Ua cov xim hlau me me silicon (98-99% purity)
Cov txheej txheem lim dej:
Tshuaj Vauv Vapor Deposition (CVD):Rau lub electronic qib
Thaj chaw ua haujlwm:Lub ntsej muag muaj roj av (99.999% +)
Hydrochlorination:Tsim trichlorosilane (Sihccl₃) Nruab Nrab
Cov Txuj Ci Ntau Lawm:
NEEG KHO TSHUAB SIB TSOO (RAU COV KUB KAWG)
JET MILLING (rau nplua \/ ultrafine hmoov)
Plasma Atomizization (rau cov hmoov nplej nciab)
Tshuaj Lom Neeg Hluav Taws Xob (rau NANO FADDERS)
Kev Ua Tshwj Xeeb
A. Tshuaj lom neeg muaj pes tsawg leeg:
| Teem nqi | Cov ntsiab lus ntawm SII | Zaum fe | Al | Ca | Lwm yam tsis zoo |
|---|---|---|---|---|---|
| MeTallurgical | 98-99% | Tsawg dua los yog sib npaug rau 0. 5% | Tsawg dua los yog sib npaug rau 0. 5% | Tsawg dua los yog sib npaug rau 0. 3% | Tsawg dua los yog sib npaug rau 0. 5% |
| Tshuaj | 99-99.5% | Tsawg dua los yog sib npaug rau 0. 4% | Tsawg dua los yog sib npaug rau 0. 4% | Tsawg dua los yog sib npaug rau 0. 2% | Tsawg dua los yog sib npaug rau 0. 3% |
| Hauv | Ntau dua los yog sib npaug rau 99.999% | Tsawg dua los yog sib npaug rau 1ppm | Tsawg dua los yog sib npaug rau 1ppm | Tsawg dua los yog sib npaug rau 1ppm | B \/ P Tsawg dua li lossis sib npaug rau 0. 1ppm |
B. Cov Khoom Siv Lub Cev:
Qhov loj me me: 10nm -500 μm (customizable)
Bulk ntom: {0. {5-1. 5 g \/ cm³
Thaj Chaw: {1-50 m² \/ g (bet)
Morphology: Angular, kheej kheej, lossis ntxeem tau
C. Cov Qauv Kev Lag Luam:
GB \/ T 2881 (Suav Teb)
ASTM C989 (USA)
Semi F57 (semiconductor qib)
ISO 9286 (Thoob Ntiaj Teb)
Cov ntawv thov loj
A. Metallurgy (60% ntawm thoob ntiaj teb xav tau):
Deagidizer Hauv Ntau Lawm
Alloying Tus Neeg Sawv Cev rau Alloys Alloys (Log Tsheb Automotive, Cav Cav)
Ferrosilicon Ntau Lawm
B. Electronics (qib siab cov qib):
Wemiconductor Wafers (300 hli + txoj kab uas hla)
Chopovoltaic (Mono \/ PolyCrystalline silicon)
Silicon-on-insulator (soi) thev naus laus zis
C. Tshuaj Kev Lag Luam:
Silicones Ntau Lawm (Foob, Kev Cog Tshuaj Kho Mob)
Silanes (coupling cov neeg sawv cev rau composites)
Fumed silica (txhawb kev muab tub lim)
D. Lub Zog Cia:
Lithium-Ion Roj Teeb Anodes (10-20}}% SI \/ C composites)
Kev tshawb nrhiav roj teeb-hauv lub xeev
E. Cov ntaub ntawv siab heev:
Silicon Carbide Ceramics (abrasivesives, armor)
Refractories (cov ntoo hlau, cov rooj tog plaub)
Hlau Matrix Composites (Aerospace Cheebtsam)
F. Tawm Kev Siv:
3D luam ntawv hmoov
Quantum DOT Synthesis
Hydrogen cia khoom
Cim npe nrov: Kev qhia dav hlau kom zoo tshaj plaws rau nws yog xim hlau Silicon Hmoov, Tuam Tshoj muaj kev qhia dav hlau kom tsim cov khoom siv, cov chaw tsim khoom, cov chaw muag khoom
Koj Tseem Yuav Zoo Li
Xa kev nug