1. Solvothermal kolaginni
1. Aiseipin ohun eloo
Zinc lulú ati lulú selenium ni a dapọ ni iwọn 1: 1 molar, ati omi ti a ti deionized tabi ethylene glycol ti wa ni afikun bi alabọde olomi 35..
2 .Awọn ipo ifaseyin
Eyin Fesi otutu: 180-220 ° C
o Esi akoko: 12-24 wakati
o Titẹ: Ṣe itọju titẹ ti ara ẹni ti ipilẹṣẹ ninu kettle ifaseyin pipade
Ijọpọ taara ti zinc ati selenium jẹ irọrun nipasẹ alapapo lati ṣe ina nanoscale zinc selenide kirisita 35.
3.Lẹhin-itọju ilanao
Lẹ́yìn ìhùwàpadà náà, wọ́n fi sẹ́ńtífù, a fi amonia dilute (80°C), kẹ́tẹ́kẹ́tẹ́ kẹ́tẹ́kẹ́tẹ́ kẹ́tẹ́kẹ́tẹ́ (80°C), fọ̀ ọ́, àti òtútù gbígbẹ (120°C, P₂O₅).gbaa lulú> 99.9% mimọ 13.
2. Ọna itọsi ikemika
1.Aise ohun elo pretreatment
o Iwa mimọ ti ohun elo aise sinkii jẹ ≥ 99.99% ati gbe sinu crucible lẹẹdi kan
o Gas hydrogen selenide ti wa ni gbigbe nipasẹ gaasi argon6.
2 .Iṣakoso iwọn otutu
Eyin Zinc evaporation agbegbe: 850-900 ° C
Eyin Ibi ipamọ: 450-500 ° C
Itọkasi itọsọna ti oru zinc ati hydrogen selenide nipasẹ iwọn otutu 6.
3 .Gaasi sile
Eyin Argon sisan: 5-10 L / min
o Iwọn apa kan ti hydrogen selenide:0.1-0.3 aago
Awọn oṣuwọn ifisilẹ le de ọdọ 0.5-1.2 mm / h, Abajade ni dida ti 60-100 mm nipọn polycrystalline zinc selenide 6.
3. Ri to-alakoso taara kolaginni ọna
1. Aiseohun elo mimuo
Ojutu kiloraidi zinc ni a ṣe pẹlu ojutu oxalic acid lati ṣe itọsi oxalate zinc kan, eyiti o gbẹ ati ilẹ ti o dapọ pẹlu lulú selenium ni ipin ti 1:1.05 molar 4.
2 .Gbona lenu sile
Eyin Igbale tube ileru otutu: 600-650°C
Eyin Jeki gbona akoko: 4-6 wakati
Zinc selenide lulú pẹlu iwọn patiku kan ti 2-10 μm jẹ ipilẹṣẹ nipasẹ iṣesi itanka-alakoso ti o lagbara 4.
Ifiwera ti awọn ilana bọtini
| ọna | Topography ọja | Iwọn patiku/sisanra | Crystallinity | Awọn aaye ohun elo |
| Ọna Solvothermal 35 | Nanoballs / ọpá | 20-100 nm | Onigun sphalerite | Optoelectronic awọn ẹrọ |
| Ifijiṣẹ oru 6 | Awọn bulọọki Polycrystalline | 60-100 mm | Ilana onigun mẹrin | Infurarẹẹdi Optics |
| Ọna ti o lagbara-alakoso 4 | Micron-won powders | 2-10 μm | Onigun alakoso | Awọn iṣaju ohun elo infurarẹẹdi |
Awọn aaye pataki ti iṣakoso ilana pataki: ọna solvothermal nilo lati ṣafikun awọn surfactants bii oleic acid lati ṣe ilana mofoloji 5, ati fifisilẹ oru nilo aibikita sobusitireti lati jẹ
1. Ifijiṣẹ oru ti ara (PVD).
1 .Ọna ọna ẹrọ
o Sinkii selenide aise ohun elo ti wa ni vaporized ni kan igbale ayika ati ki o pamosi pẹlẹpẹlẹ awọn sobusitireti dada lilo sputtering tabi gbona evaporation technology12.
o Awọn orisun evaporation ti zinc ati selenium jẹ kikan si awọn iwọn otutu otutu ti o yatọ (agbegbe evaporation zinc: 800-850 °C, agbegbe evaporation selenium: 450-500 °C), ati ipin stoichiometric ti wa ni iṣakoso nipasẹ ṣiṣakoso oṣuwọn evaporation.o12.
2 .Iṣakoso paramita
o Igbale: ≤1×10⁻³ Pa
o Basal otutu: 200-400 ° C
o Oṣuwọn ifisilẹ:0.2–1.0 nm/s
Awọn fiimu selenide Zinc pẹlu sisanra ti 50-500 nm le ṣee pese sile fun lilo ninu awọn opiti infurarẹẹdi 25.
2. Darí rogodo milling ọna
1.Aise ohun elo mimu
o Zinc lulú (ti nw≥99.9%) ti wa ni idapo pelu selenium lulú ni 1:1 molar ratio ati ki o kojọpọ sinu kan alagbara, irin rogodo ọlọ idẹ 23.
2 .Awọn paramita ilana
Eyin Ball lilọ akoko: 10-20 wakati
Iyara: 300-500 rpm
o Pellet ratio: 10: 1 (zirconia lilọ balls).
Awọn ẹwẹ titobi Zinc selenide pẹlu iwọn patiku ti 50-200 nm ni ipilẹṣẹ nipasẹ awọn aati alloying ẹrọ, pẹlu mimọ ti> 99% 23.
3. Gbona titẹ sintering ọna
1 .Precursor igbaradi
o Zinc selenide nanopowder (iwọn patiku <100 nm) ti a ṣe nipasẹ ọna solvothermal bi ohun elo aise 4.
2 .Sintering sile
o Iwọn otutu: 800-1000 ° C
o Ipa: 30-50 MPa
Eyin Jeki gbona: 2-4 wakati
Ọja naa ni iwuwo ti> 98% ati pe o le ṣe ilọsiwaju si awọn paati opiti ọna kika nla gẹgẹbi awọn ferese infurarẹẹdi tabi awọn lẹnsi 45.
4. Epitaxy tan ina molikula (MBE).
1.Ultra-ga igbale ayika
o Igbale: ≤1×10⁻ Pa
Eyin Zinkii ati selenium molikula tan ina šakoso awọn gangan sisan nipasẹ awọn elekitironi tan ina evaporation source6.
2.Awọn paramita idagbasoke
o Iwọn otutu ipilẹ: 300-500 ° C (GaAs tabi awọn sobusitireti oniyebiye ni a lo nigbagbogbo).
o Iwọn idagba:0.1–0.5 nm/s
Awọn fiimu tinrin selenide zinc-kristal ni a le pese sile ni iwọn sisanra ti 0.1-5 μm fun awọn ẹrọ optoelectronic to gaju56.
Akoko ifiweranṣẹ: Oṣu Kẹrin Ọjọ 23-2025