1. Te hanga waiariki
1. Mataōwehenga rauemi?
Ka whakaranua te paura konutea me te paura selenium ki te ōwehenga molar 1:1, ā, ka tāpirihia te wai deionized, te ethylene glycol rānei hei reo whakarewa 35.
2.Ngā āhuatanga tauhohenga
o Te pāmahana tauhohenga: 180-220°C
Te wā urupare: 12-24 hāora
o Pēhanga: Kia mau tonu te pēhanga i hangaia e ia anō i roto i te ipu tauhohenga kua kati
Mā te whakamahana ka āwhina i te whakakotahitanga tika o te konutea me te selenium kia puta ai he tioata selenide konutea nano 35.
3.Te tukanga i muri i te maimoatanga?
I muri i te tauhohenga, i hurihia ki te porotītaha, i horoia ki te haukini waimeha (80 °C), ki te methanol, ā, i whakamarokehia ki te korehau (120 °C, P₂O₅).btainhe paura > 99.9% te parakore 13.
2. Tikanga whakatakoto kohu matū
1.Te maimoatanga o mua o ngā rauemi mata
o Ko te parakore o te rauemi mata konutea he ≥ 99.99%, ā, ka whakanohoia ki roto i te ipu karāpeti
Ka haria te hau hauwai selenide e te hau argon6.
2.Whakahaere pāmahana
o Rohe mimiti konutea: 850-900°C
Rohe whakatakotoranga: 450-500°C
Te whakatakotoranga aronga o te kohu konutea me te hauwai selenide mā te pikinga pāmahana 6.
3.Ngā tawhā hau
Rere ākona: 5-10 L/min
o Te pēhanga wāhanga o te hauwai selenide:0.1-0.3 atm
Ka taea e ngā tere whakatakotoranga te eke ki te 0.5-1.2 mm/h, ka hua ake te hanganga o te konutea selenide polycrystalline 6 he 60-100 mm te matotoru..
3. Tikanga hanga tika ā-wāhanga totoka
1. Matate whakahaere rauemi?
I tauhohehia te otinga konutea kōhaita ki te otinga waikawa oxalic hei hanga i tētahi matū konutea kōhaita, i whakamaroketia, i hurihia, ā, i konatunatua ki te paura selenium i te ōwehenga o te 1:1.05 molar 4..
2.Ngā tawhā tauhohenga wera
o Te pāmahana oumu ngongo korehau: 600-650°C
o Te wā pupuri mahana: 4-6 hāora
Ka hangaia te paura konutea selenide me te rahi matūriki o te 2-10 μm mā te tauhohenga horapa ā-wāhanga totoka 4.
Te whakataurite i ngā tukanga matua
| tikanga | Te āhua o te whenua o te hua | Rahi o te matūriki/matotoru | Te āhua o te tioata | Ngā mara tono |
| Tikanga whakamahana 35 | Ngā nanopōro/rākau | 20-100 nm | Sphalerite pūtoru | Ngā taputapu optoelectronic |
| Te whakapūtanga o te kohu 6 | Ngā poraka polycrystalline | 60-100 mm | Hanganga hexagonal | Ngā whatu infrared |
| Tikanga ā-wāhanga-totoka 4 | Ngā paura rahi-maikoron | 2-10 μm | Wāhanga pūtoru | Ngā matūmua o te rauemi whero-whero |
Ngā kaupapa matua o te whakahaere tukanga motuhake: me tāpiri e te tikanga whakamahana waiariki ngā matū horoi pēnei i te waikawa oleic hei whakahaere i te āhua 5, ā, me iti ake te taratara o te papa i te Ra20 mō te whakatakotoranga kohu hei whakarite i te ōritetanga o te whakatakotoranga 6.
1. Te whakatakotoranga o te kohu ā-tinana (PVD).
1.Ara Hangarau
o Ka mimitia te rauemi mata o te konutea selenide i roto i te taiao korehau, ka whakatakotoria ki runga i te mata o te papa mā te whakamahi i te hangarau mimiti wera, mimiti rānei12.
o Ka whakamahanahia ngā pūtake mimiti o te konutea me te selenium ki ngā rerekētanga pāmahana (rohe mimiti konutea: 800–850 °C, rohe mimiti selenium: 450–500 °C), ā, ka whakahaeretia te ōwehenga stoichiometric mā te whakahaere i te tere mimiti?12.
2.Mana whakahaere tawhā
o Pūrerehua: ≤1×10⁻³ Pa
o Te pāmahana turanga: 200–400°C
o Te tere whakatakoto:0.2–1.0 nm/s
Ka taea te whakarite i ngā kiriata konutea selenide me te matotoru o te 50–500 nm hei whakamahi i roto i ngā karu whatu infrared 25.
2Tikanga mira pōro ā-mīhini
1.Te whakahaere rauemi mata
o Ka konatunatua te paura konutea (parakore ≥99.9%) ki te paura selenium i te ōwehenga molar 1:1 ka utaina ki roto i te ipu mira pōro kowiri tira 23.
2.Ngā tawhā tukanga
o Te wā huri pōro: 10–20 hāora
Tere: 300–500 rpm
o Te ōwehenga o ngā pire: 10:1 (ngā pōro huri zirconia).
I hangaia ngā matūriki nano konutea selenide me te rahi matūriki o te 50–200 nm mā ngā tauhohenga whakarewa ā-mīhini, me te parakore o >99% 23.
3. Tikanga whakawera wera
1.Te whakarite i mua
o Paura nano konutea selenide (rahi matūriki < 100 nm) i hangaia mā te tikanga solvothermal hei rauemi mata 4.
2.Ngā tawhā whakapūtanga
o Te pāmahana: 800–1000°C
Pēhanga: 30–50 MPa
Puritia kia mahana: 2–4 hāora
Ko te mātotoru o te hua he > 98%, ā, ka taea te tukatuka hei wāhanga whatu whakatakotoranga-rahi pērā i ngā matapihi infrared, i ngā karāhe rānei 45.
4. Te epitaxy hihi ngota (MBE).
1.Taiao korehau tino-teitei
o Pūrerehua: ≤1×10⁻⁷ Pa
Ko ngā hihi ngota ngota konutea me te selenium e whakahaere tika ana i te rere mā te pūtake mimiti hihi irahiko6.
2.Ngā tawhā tipu
o Te pāmahana turanga: 300–500°C (Ko ngā papa GaAs, ko ngā papa hapaira rānei te mea e whakamahia whānuitia ana).
o Te tere tipu:0.1–0.5 nm/s
Ka taea te whakarite i ngā kiriata angiangi konutea selenide kotahi-kiriata i roto i te awhe matotoru o te 0.1–5 μm mō ngā taputapu hiko opto-tino tika56.
Wā tuku: Paenga-whāwhā-23-2025