Usoro mmepụta anụ ahụ nke zinc selenide gụnyere ụzọ teknụzụ ndị a na paramita zuru ezu ndị a.

1. Njikọta Solvothermal

1. rawihe ruru;
A na-agwakọta ntụ zinc na ntụ selenium na nha molar 1: 1, a na-agbakwunyekwa mmiri deionized ma ọ bụ ethylene glycol dị ka ihe mgbaze 35.

2.Ọnọdụ mmeghachi omume

Okpomọkụ mmeghachi omume: 180-220°C

o Oge mmeghachi omume: awa 12-24

o Nrụgide: Nọgide na-enwe nrụgide nke na-emepụta onwe ya n'ime ketulu mmeghachi omume mechiri emechi
Ngwakọta zinc na selenium na-eme ka ọ dị mfe site na ikpo ọkụ iji mepụta kristal zinc selenide nanoscale 35.

3.Usoro mgbe ọgwụgwọ gasịrị;
Mgbe mmeghachi omume ahụ gasịrị, a kụnyere ya centrifuge, saa ya na ammonia a gwakọtara agwakọta (80°C), methanol, ma kpoo ya na vacuum (120°C, P₂O₅).tainntụ ntụ > 99.9% ịdị ọcha 13.

2. Usoro itinye uzuoku kemịkalụ

1.Ọgwụgwọ ihe eji emepụta ihe tupu oge eruo

o Ịdị ọcha nke ihe e ji zinc mee bụ ≥ 99.99% ma tinye ya n'ime ihe e ji graphite kụọ.

o A na-ebuga gas hydrogen selenide site na ihe e ji ebu argon gas6.

2.Njikwa okpomọkụ

o Mpaghara mmịpụta Zinc: 850-900°C

o Mpaghara ebe a na-etinye ihe: 450-500°C
Ntinye nke zinc vapor na hydrogen selenide site na nhazi okpomọkụ 6.

3.Paramita gas

o Mmiri Argon: 5-10 L/min

o Nrụgide nke hydrogen selenide nke akụkụ:0.1-0.3 atm
Ọnụego mwepụta nwere ike iru 0.5-1.2 mm/h, nke na-eme ka e nwee polycrystalline zinc selenide nke dị 60-100 mm n'obosara..

3. Usoro nhazi kpọmkwem nke usoro siri ike

1. rawnjikwa ihe;
E jiri mmiri oxalic acid megharịa mmiri zinc chloride iji mepụta ihe na-akpalite zinc oxalate, nke a kpọrọ nkụ ma gwerie ma gwakọta ya na ntụ selenium na oke nke 1: 1.05 molar 4..

2.Paramita mmeghachi omume okpomọkụ

Okpomọkụ ọkụ nke tube vacuum: 600-650°C

o Debe oge okpomọkụ: awa 4-6
A na-emepụta ntụ zinc selenide nke nha ihe dị ka 2-10 μm site na mmeghachi omume mgbasa siri ike nke usoro 4.

Ntụnyere nke usoro isi

Isi ihe dị mkpa maka njikwa usoro pụrụ iche: usoro solvothermal kwesịrị ịgbakwunye surfactants dị ka oleic acid iji chịkwaa ọdịdị 5, ebe a na-etinye uzuoku chọrọ ka ihe ndị dị n'okpuru ala ghara ịdị oke mma (.

1. Ndobe uzuoku anụ ahụ (PVD).

1.Ụzọ Teknụzụ

o A na-ekupụ ihe e ji zinc selenide mee ka ọ ghara ịdị ọcha n'ime ikuku ma tinye ya n'elu ihe ndị dị n'okpuru ala site na iji teknụzụ sputtering ma ọ bụ thermal evaporation.

o A na-ekpo ọkụ ebe esi enweta mmiri nke zinc na selenium ruo na ọkwa okpomọkụ dị iche iche (mpaghara evaporation zinc: 800–850 °C, mpaghara evaporation selenium: 450–500 °C), a na-ejikwa oke stoichiometric site na ijikwa ọnụego evaporation.;12.

2.Njikwa paramita

o Ume ikuku: ≤1×10⁻³ Pa

Okpomọkụ Basal: 200–400°C

o Ọnụego nkwụnye ego:0.2–1.0 nm/s
Enwere ike ịkwadebe ihe nkiri zinc selenide nke nwere ọkpụrụkpụ nke 50–500 nm maka ojiji na infrared optics 25.

2Usoro igwe eji egwe bọọlụ

1.Njikwa ihe eji arụ ọrụ

A na-agwakọta ntụ ọka zinc (ịdị ọcha ≥99.9%) na ntụ selenium na nha molar 1:1 ma tinye ya n'ime ite igwe bọọlụ ígwè anaghị agba nchara 23.

2.Usoro nhazi

o Oge a na-egweri bọọlụ: awa 10–20

Ọsọ: 300–500 rpm

o Oke pellet: 10:1 (bọọlụ e ji egweri zirconia).
E mepụtara obere ihe ndị dị na zinc selenide nke nha ha dị n'etiti 50–200 nm site na mmeghachi omume mekaniki, nke dị ọcha karịa 99% 23.

3. Usoro ịpị ọkụ na sintering

1.Nkwadebe tupu ihe omume

o Zinc selenide nanopwder (nha ihe dị n'ime ya karịrị 100 nm) nke usoro solvothermal mepụtara dị ka ihe eji arụ ọrụ 4.

2.Paramita nsị

Okpomọkụ: 800–1000°C

o Nrụgide: 30–50 MPa

o Debe okpomọkụ: awa 2–4
Ngwaahịa a nwere njupụta nke > 98% ma enwere ike ịhazi ya ka ọ bụrụ ihe ndị nwere nnukwu nhazi anya dịka windo infrared ma ọ bụ lenzi 45..

4. Epitaxy nke molekụla (MBE).

1.Gburugburu ebe obibi ikuku dị elu nke ukwuu

o Ume ikuku: ≤1×10⁻⁷ Pa

o Ogwurugwu zinc na selenium na-achịkwa kpọmkwem mmiri si na isi iyi ikuku elektrọn pụta.

2.Usoro uto

Okpomọkụ ntọala: 300–500°C (A na-ejikarị GaAs ma ọ bụ ihe ndị e ji sapphire mee eme ihe).

o Ọnụego uto:0.1–0.5 nm/s
Enwere ike ịkwadebe ihe nkiri dị gịrịgịrị nke otu kristal zinc selenide n'ogo ọkpụrụkpụ nke 0.1–5 μm maka ngwaọrụ optoelectronic dị oke nkenke56.