1. Ho kopanngoa ha solvothermal
1. E talakarolelano ea thepa
Phofo ea zinki le phofo ea selenium li tsoakoa ka karolelano ea molar ea 1:1, 'me metsi a hloekisitsoeng kapa ethylene glycol a eketsoa e le sesebelisoa sa ho qhibilihisa..
2.Maemo a karabelo
o Mocheso oa karabelo: 180-220°C
o Nako ea karabelo: lihora tse 12-24
o Kgatelelo: Boloka kgatelelo e iketseditsweng ka boyona ka ketleleng e kwetsweng ya karabelo
Motsoako o tobileng oa zinki le selenium o nolofalloa ke ho futhumatsa ho hlahisa likristale tsa zinki selenide tse nang le nanoscale 35.
3.Mokhoa oa kamora kalafo
Kamora karabelo, e ile ea tšeloa ka seterifuge, ea hlatsuoa ka ammonia e hlapolotsoeng (80 °C), methanol, 'me ea omisoa ka vacuum (120 °C, P₂O₅).btainphofo > 99.9% bohloeki 13.
2. Mokhoa oa ho boloka mouoane oa lik'hemik'hale
1.Tlhokomelo ea pele ea thepa e tala
o Bohloeki ba thepa e tala ea zinki ke ≥ 99.99% 'me bo behiloe ka har'a graphite crucible
o Khase ea Hydrogen selenide e tsamaisoa ke khase ea argon e tsamaisang6.
2.Taolo ea mocheso
o Sebaka sa mouoane sa zinki: 850-900°C
o Sebaka sa ho beha: 450-500°C
Ho kenngoa ha mouoane oa zinki le hydrogen selenide ka tsela e tobileng ho latela mocheso oa 6.
3.Mekhahlelo ea khase
Phallo ea Argon: 5-10 L/min
o Kgatelelo e itseng ya hydrogen selenide:0.1-0.3 atm
Sekhahla sa ho qhalana ha metsi se ka fihla ho 0.5-1.2 mm/h, e leng se fellang ka ho thehwa ha polycrystalline zinc selenide e teteaneng ya 60-100 mm..
3. Mokhoa oa ho kopanya ka kotloloho oa mohato o tiileng
1. E talaho sebetsana le thepa
Tharollo ea zinki chloride e ile ea arajoa le tharollo ea oxalic acid ho etsa zinc oxalate precipitate, e ileng ea omisoa le ho siloa 'me ea kopanngoa le phofo ea selenium ka karolelano ea 1:1.05 molar 4..
2.Mekhahlelo ea karabelo ea mocheso
o Mocheso oa sebōpi sa tube ea vacuum cleaner: 600-650°C
o Boloka nako e futhumetse: dihora tse 4-6
Phofo ea zinc selenide e nang le boholo ba likaroloana tsa 2-10 μm e hlahisoa ke karabelo ea ho hasana ha karolo e tiileng 4.
Papiso ea lits'ebetso tsa bohlokoa
| mokhoa | Topografi ea sehlahisoa | Boholo ba likaroloana/botenya | Bokhabane ba kristale | Masimo a kopo |
| Mokhoa oa Solvothermal 35 | Libolo tsa nano/melamu | 20-100 nm | Sphalerite ea Cubic | Lisebelisoa tsa Optoelectronic |
| Ho kenngoa ha mouoane 6 | Liboloko tsa polycrystalline | 60-100 mm | Sebopeho sa mahlakore a tsheletseng | Mabone a infrared |
| Mokhoa oa mohato o tiileng oa 4 | Phofo e boholo ba micron | 2-10 μm | Karolo ea cubic | Li-precursor tsa thepa ea infrared |
Lintlha tsa bohlokoa tsa taolo e khethehileng ea ts'ebetso: mokhoa oa solvothermal o hloka ho eketsa li-surfactants tse kang oleic acid ho laola sebopeho sa 5, 'me ho kenngoa ha mouoane ho hloka hore substrate e be thata < Ra20 ho netefatsa hore ho kenngoa ha 6 ho tšoana..
1. Ho ntsha mouoane wa mmeleng (PVD).
1.Tsela ea Theknoloji
o Thepa e tala ea zinc selenide e fetoloa mouoane tikolohong ea vacuum ebe e beoa holim'a substrate ho sebelisoa theknoloji ea ho qhala kapa ea ho mouoane oa mocheso12.
o Mehlodi ya mouoane ya zinki le selenium e futhumatswa ho latela maemo a fapaneng a mocheso (sebaka sa mouoane sa zinki: 800–850 °C, sebaka sa mouoane sa selenium: 450–500 °C), mme karolelano ya stoichiometric e laolwa ka ho laola sekgahla sa mouoane.12.
2.Taolo ea liparamente
o Mochini o hloekisang: ≤1×10⁻³ Pa
o Mocheso wa motheo: 200–400°C
o Sekgahla sa ho ntsha tjhelete:0.2–1.0 nm/s
Lifilimi tsa zinc selenide tse botenya ba 50–500 nm li ka lokisetsoa ho sebelisoa ho infrared optics 25.
2Mokhoa oa ho sila bolo ea mechine
1.Ho sebetsana le thepa e tala
o Phofo ea zinki (bohloeki≥99.9%) e kopanngoa le phofo ea selenium ka karolelano ea molar ea 1:1 ebe e kenngoa ka nkho ea tšepe e sa hloekang ea 23.
2.Liparamente tsa ts'ebetso
o Nako ea ho sila bolo: lihora tse 10–20
Lebelo: 300–500 rpm
o Karolelano ea pellet: 10:1 (libolo tsa ho sila tsa zirconia).
Li-nanoparticles tsa zinc selenide tse nang le boholo ba likaroloana tsa 50–200 nm li hlahisitsoe ke liketso tsa ho kopanya tsa mechini, tse nang le bohloeki ba >99% 23.
3. Mokhoa oa ho tjhesa ka ho chesa
1.Tokisetso ea selelekela
o Phofo e nyane ea Zinc selenide (boholo ba likaroloana < 100 nm) e entsoeng ka mokhoa oa solvothermal e le thepa e tala 4.
2.Liparamente tsa ho sintering
o Mocheso: 800–1000°C
o Kgatelelo: 30–50 MPa
o Boloka mofuthu: dihora tse 2–4
Sehlahisoa se na le boima ba > 98% mme se ka sebetsoa ka likarolo tse kholo tsa optical tse kang lifensetere tsa infrared kapa lilense 45.
4. Epitaxy ea mahlaseli a limolek'hule (MBE).
1.Tikoloho ea vacuum e phahameng haholo
o Mochini o hloekisang: ≤1×10⁻⁷ Pa
o Mahlasedi a limolek'hule a zinki le selenium a laola phallo e fetang mohloling oa mouoane oa mahlaseli a elektrone ka nepo.
2.Mekhahlelo ea kholo
o Mocheso oa motheo: 300–500°C (Li-GaA kapa li-substrate tsa safire li sebelisoa hangata).
o Sekgahla sa kgolo:0.1–0.5 nm/s
Lifilimi tse tšesaane tsa zinki selenide tse nang le kristale e le 'ngoe li ka lokisoa ka botenya ba 0.1–5 μm bakeng sa lisebelisoa tsa optoelectronic tse nepahetseng haholo56.
Nako ea poso: Mmesa-23-2025