1. Te whakahiato waiariki
1. Rawōwehenga rauemi;
Ko te paura konutea me te paura selenium ka konatunatua ki te 1:1 molar ōwehenga, ka taapirihia te wai whakaheke, te ethylene glycol ranei hei momo whakarewa 35.
2.Nga tikanga tauhohenga
o Te pāmahana tauhohenga: 180-220°C
o Te wa tauhohenga: 12-24 haora
o Te Peketanga: Kia mau tonu te pehanga i hangaia e koe i roto i te ketere tauhohenga kati
Ko te whakakotahitanga tika o te konutea me te selenium ka whakahaerea e te whakamahana ki te whakaputa i nga tioata selenide zinc nanoscale 35.
3.Te mahi i muri i te maimoatanga;
I muri i te tauhohenga, ka whakamarokehia, ka horoia ki te haukini waimeha (80 °C), te methanol, ka whakamaroke korehau (120 °C, P₂O₅).btainhe paura > 99.9% parakore 13.
2. Tikanga whakaheke matū kohu
1.Te maimoatanga o mua
o ≥ 99.99% te parakore o te konutea raw rauemi ka whakanohoia ki roto i te ipu graphite.
o Ko te hau hauwai selenide ka haria e te kawe hau argon6.
2.Te whakahaere i te pāmahana
o Rohe whakaetonga konutea: 850-900°C
o Rohe whakatakoto: 450-500°C
Te tukunga aronga o te kohu konutea me te hauwai selenide ma te rōnaki pāmahana 6.
3.Tawhā hau
o Argon rere: 5-10 L / min
o Te pehanga wahanga o te hauwai selenide:0.1-0.3 atm
Ka taea e te reiti waipara te eke ki te 0.5-1.2 mm/h, ka puta ko te 60-100 mm te matotoru polycrystalline zinc selenide 6.
3. Tikanga whakahiato totika-waahanga tika
1. Rawte whakahaere rauemi;
I tauhohehia te wairewa zinc chloride ki te wairewa waikawa oxalic ki te hanga i te konutea oxalate precipitate, ka whakamarokehia, ka whakamarokehia, ka konatunatua ki te paura selenium i te ōwehenga o te 1:1.05 molar 4.
2.Tawhā tauhohenga wera
o Te pāmahana oumu ngongo korehau: 600-650°C
o Kia mau te wa mahana: 4-6 haora
Ko te paura selenide konutea he 2-10 μm te rahi o te matūriki e hangaia ana e te tauhohenga tiritiri-waa totoka 4.
Te whakataurite o nga tukanga matua
| tikanga | Topography hua | Te rahi o te matūriki/matotoru | Te kirikiriata | Nga waahi tono |
| Tikanga werawera 35 | Nanoballs/rakau | 20-100 nm | Sphalerite pūtoru | Nga taputapu Optoelectronic |
| Kohu kohu 6 | Poraka polycrystalline | 60-100 mm | Hanga hexagonal | Whatunga Infrared |
| Tikanga wahanga totoka 4 | Nga paura te rahi o te Micron | 2-10 μm | Wāhanga pūtoru | Tuhinga o mua rauemi infrared |
Ko nga kaupapa matua mo te whakahaere tukanga motuhake: ko te tikanga solvothermal me taapiri atu i nga waiariki penei i te waikawa oleic hei whakarite i te ahua o te ahua 5, me te waipara kohu me noho te taratara o te tïpako kia <Ra20 hei whakarite i te rite o te waipara 6.
1. Kohu kohu tinana (PVD).
1 .Ara Hangarau
o Te konutea selenide ka whakangohu i roto i te taiao korehau, ka waiho ki runga i te mata tïpako ma te whakamahi i te hangarau whakaetonga waiariki ranei12.
o Ko nga puna whakaetonga o te konutea me te selenium ka whakamahana ki nga rereke rereke o te pāmahana (rohe whakaetonga konutea: 800–850 °C, rohe whakaetonga selenium: 450–500 °C), a ka whakahaerehia te ōwehenga stoichiometric ma te whakahaere i te tere whakaetonga;12.
2.Mana tawhā
o Korehau: ≤1×10⁻³ Pa
o Te paemahana: 200–400°C
o Reiti Whakapae:0.2–1.0 nm/s
Ko nga kiriata Zinc selenide me te 50–500 nm te matotoru ka taea te whakarite mo te whakamahi i roto i nga whatu infrared 25.
2. Tikanga mira paoro miihini
1.Te whakahaere rauemi mata
o Ko te paura konutea (purity≥99.9%) ka konatunatua ki te paura selenium i te 1:1 molar ōwehenga ka utaina ki roto i te ipu mira kowiri tira 23.
2.Tukatuka tawhā
o Te wa huri poi: 10–20 haora
Tere: 300–500 rpm
o Pellet ōwehenga: 10:1 (zirconia huri pōro).
Ko te Zinc selenide nanoparticles me te rahi o te matūriki o te 50-200 nm i hangaia e nga tauhohenga whakakotahi miihini, me te ma o> 99% 23.
3. Hot pressing sintering tikanga
1 .Te whakarite o mua
o Zinc selenide nanopowder (rahi matūriki < 100 nm) ka whakahiatohia ma te tikanga solvothermal hei rauemi mata 4.
2.Tawhā Waituhi
o Te Mahana: 800–1000°C
o Peketanga: 30–50 MPa
o Kia mahana: 2–4 haora
He nui te kiato o te hua > 98% ka taea te tukatuka ki nga waahanga whakaata-nui penei i nga matapihi infrared me nga arotahi 45.
4. Epitaxy kurupae ngota (MBE).
1.Te taiao korehau ultra-tiketike
o Korehau: ≤1×10⁻⁷ Pa
o Ko te konutea me te kurupae ngota selenium e whakahaere tika ana i te rere i roto i te puna whakaetonga kurupae irahiko6.
2.Tawhā tipu
o Paemahana turanga: 300–500°C (Kei te nuinga o te wa ka whakamahia nga taputapu GaA me te sapphire).
o Te tere tipu:0.1–0.5 nm/s
Ko nga kiriata angiangi o te zinc selenide kirikiri kotahi ka taea te whakarite i roto i te awhe matotoru 0.1–5 μm mo nga taputapu optoelectronic tino tika56.
Te wa tuku: Apr-23-2025