I-Trimethylaluminum (TMAI)
I-Trimethylalumane (TMAI)
| Izithethantonye | I-Trimethylaluminum, i-Aluminium Trimethyl, i-Aluminium Trimethanide, i-TMA, i-TMAL, i-AlMe3, i-Ziegler-Natta Catalyst, i-Trimethyl-, i-Trimethylalane. |
| Inombolo yeCas | 75-24-1 |
| Ifomula yekhemikhali | C6H18Al2 |
| Ubunzima be-Molar | 144.17 g/mol, 72.09 g/mol (C3H9Al) |
| Inkangeleko | Ulwelo olungenambala |
| Uxinano | 0.752 g/cm3 |
| Indawo yokunyibilika | 15℃ (59 ℉; 288K) |
| Indawo yokubila | 125--130℃ (257--266 ℉, 398--403K) |
| Ukunyibilika emanzini | Iphendula |
| Uxinzelelo lomphunga | 1.2 kPa (20℃), 9.24 kPa (60℃) |
| Ukuqaqamba | 1.12 cP (20℃), 0.9 cP (30℃) |
I-Trimethylaluminum (TMal), njengomthombo we-metal-organic (MO), isetyenziswa kakhulu kwishishini le-semiconductor kwaye isebenza njengomphambili ophambili we-atomic layer deposition (ALD), i-chemical vapor deposition (CVD), kunye ne-metal-organic chemical vapor deposition (MOCVD). Isetyenziselwa ukulungiselela iifilimu eziqulethe i-aluminium ecocekileyo kakhulu, ezifana ne-aluminium oxide kunye ne-aluminium nitride. Ukongeza, i-TMal ifumana ukusetyenziswa okubanzi njenge-catalyst kunye ne-arhente yayo encedisayo kwi-organic synthesis kunye ne-polymerization reactions.
I-Trimethylaluminum (TMAI) isebenza njengomanduleli wokufakwa kwe-aluminium oxide kwaye isebenza njenge-catalyst ye-Ziegler-Natta. Ikwayeyona precursor ye-aluminium esetyenziswa kakhulu ekuveliseni i-metal-organic vapor-phase epitaxy (MOVPE). Ngaphezu koko, i-TMAI isebenza njenge-methylation agent kwaye ikhutshwa rhoqo kwiirokhethi ezivakalayo njenge-tracer yokufunda iipateni zomoya ophezulu emoyeni.
Iinkcukacha zeShishini ze-99.9999% Trimethylaluminium - I-silicon ephantsi kunye nomxholo we-oxygen ophantsi (6N TAMI-Low Si kunye ne-Low Ox)
| I-elementi | Isiphumo | Inkcazo | I-elementi | Isiphumo | Inkcazo | I-elementi | Isiphumo | Inkcazo |
| Ag | ND | <0.03 | Cr | ND | <0.02 | S | ND | <0.05 |
| As | ND | <0.03 | Cu | ND | <0.02 | Sb | ND | <0.05 |
| Au | ND | <0.02 | Fe | ND | <0.04 | Si | ND | ≤0.003 |
| B | ND | <0.03 | Ge | ND | <0.05 | Sn | ND | <0.05 |
| Ba | ND | <0.02 | Hg | ND | <0.03 | Sr | ND | <0.03 |
| Be | ND | <0.02 | La | ND | <0.02 | Ti | ND | <0.05 |
| Bi | ND | <0.03 | Mg | ND | <0.02 | V | ND | <0.03 |
| Ca | ND | <0.03 | Mn | ND | <0.03 | Zn | ND | <0.05 |
| Cd | ND | <0.02 | Ni | ND | <0.03 | |||
| Co | ND | <0.02 | Pb | ND | <0.03 |
Phawula:
Ngaphezulu kwayo yonke into, ixabiso le-PPM lixhomekeke kubunzima besinyithi, kwaye i-ND = ayifunyaniswanga
Indlela yoHlahlelo: ICP-OES/ICP-MS
Iziphumo ze-FT-NMR (i-LOD yokungcola kwe-FT-NMR okungokwemvelo kunye ne-oxygen yi-0.1ppm):
Isiqinisekiso seoksijini <0.2 ppm (Silinganiswa kwi-FT-NMR)
1. Akukho zingcola zendalo ezifunyenweyo
2. Akukho kungcola okune-oxygen okufunyenweyo
Isetyenziselwa ntoni iTrimethylaluminum (TMAI)?
I-Trimethylaluminum (TMA)- Izicelo kunye nokusetyenziswa kwazo
I-Trimethylaluminum (TMA) yi-organoaluminium compound ecocekileyo kakhulu esebenza njengophawu olubalulekileyo kwezinye zezona candelo zokuvelisa ziphambili. Ukusebenza kwayo okugqwesileyo kunye noxinzelelo lomphunga kwenza ukuba ibe yinto ekhethwayo yokufaka iifilimu ezichanekileyo ezine-aluminium kwitekhnoloji ye-elektroniki kunye namandla, kunye nenxalenye esisiseko kwimveliso ye-polyolefin.
I-TMA yethu yenziwe ngokwemigangatho yobumsulwa obungqongqo, ngolawulo oluqinileyo phezu kwezinto ezisisiseko, ezifakwe ioksijini, kunye nezobumdaka ukuqinisekisa ukusebenza kakuhle kwizicelo zakho ezifuna kakhulu.
Izicelo eziphambili kunye namashishini:
1. Ukwenziwa kweSemiconductor kunye neMicroelectronics
Kwishishini le-semiconductor, i-TMA iyimfuneko ekubekeni iifilimu ezincinci ezichanekileyo ngokwe-atomic-scale.
* IiDielectrics zeHigh-k: Zisetyenziswa kwiAtomic Layer Deposition (ALD) kunye neChemical Vapor Deposition (CVD) ukuze kukhuliswe iifilimu ezibhityileyo ze-aluminium oxide (Al₂O₃) ezifanayo, ezingenamingxunya, ezisebenza njengee-high-k gate dielectrics kwiitransistors eziphambili kunye nezixhobo zememori.
* Ii-Compound Semiconductors: Umthombo we-aluminium okhethwayo kwi-Metalorganic Vapor Phase Epitaxy (MOVPE) yokukhulisa ii-compound semiconductors ze-III-V ezisebenza kakuhle. Ezi zinto zibalulekile kwi:
* Ii-elektroniki ezisetyenziswa rhoqo kakhulu: (umz., ii-AlGaAs, ii-AlInGaP)
* Ii-Optoelectronics: (umz., i-AlGaN, i-AlInGaN)
2. Amandla acocekileyo kunye ne-Photovoltaics
I-TMA yenza kube lula ukusebenza kakuhle nokuqina kwiiteknoloji zamandla elanga.
* Iileya zokuPasa umphezulu: Ezifakwe nge-ALD okanye iPlasma-Enhanced CVD (PECVD), iifilimu ze-aluminium oxide (Al₂O₃) ezivela kwi-TMA zibonelela ngokupasa komphezulu okubalaseleyo kwiiseli zelanga ze-silicon ezikristali. Oku kunciphisa kakhulu ukuphinda-phindana kwe-charge carrier, okukhokelela kwinzuzo enkulu ekusebenzeni kakuhle kokuguqulwa kweeseli kunye nokuzinza kwexesha elide.
3. Ukukhanya okuPhambili kunye noBoniso (i-LED)
Ukuveliswa kwee-LED ezikhanya kakhulu nezisebenzisa amandla kakuhle kuxhomekeke kwi-TMA ecocekileyo kakhulu.
* I-LED Epitaxy: Isebenza njengesandulela se-aluminium kwi-MOVPE reactors ukukhulisa iileya ezisebenzayo (umz., i-AlGaN) kwi-LED eziluhlaza okwesibhakabhaka, eziluhlaza, kunye ne-ultraviolet.
* Ukudlulisa isixhobo: Kusetyenziselwa ukufaka iifilimu ze-aluminium oxide okanye ze-aluminium nitride ezikhusela ukusebenza kakuhle kokukhupha ukukhanya kwaye zandise ubomi bezixhobo ze-LED.
4. Imveliso ye-Industrial Catalysis kunye nePolymer
Ukubaluleka kwe-TMA kwezoshishino kusekelwe kwindima yayo ekuphuculeni i-catalysis.
* I-Polyolefin Catalysis: Yinto yokuqala eyintloko yokwenza iMethylaluminoxane (MAO), i-co-catalyst ebalulekileyo kwiinkqubo ze-Ziegler-Natta kunye ne-metallocene catalyst. Ezi nkqubo zivelisa uninzi lweeplastiki ze-polyethylene kunye ne-polypropylene zehlabathi.
Iimpawu eziphambili kunye neenzuzo:
* Ubumsulwa obuphezulu kakhulu: Ilawulwa ngononophelo ukunciphisa ukungcola okonakalisa ukusebenza kwe-elektroniki kunye nomsebenzi wokulungisa izinto.
* I-Superior Precursor: Inika ukuguquguquka okugqwesileyo, uzinzo lobushushu, kunye neempawu zokubola ezicocekileyo ukuze ifilimu ibekwe kakuhle.
* Umgangatho weShishini: Umthombo we-aluminium osele umiselwe, othembekileyo weenkqubo ze-MOVPE, ALD, kunye ne-CVD kuzo zonke iindawo zophando nophuhliso lwehlabathi kunye nemveliso.
* Isiseko sePlastiki: Yinto ephambili ekrwada evumela ukuveliswa kweepolima zepolyolefin ezinokuguquguquka nezibalulekileyo.
Isikhanyeli: I-Trimethylaluminum yinto ethambileyo kwaye ibuthathaka kumswakama efuna iindlela ezikhethekileyo zokuphatha kunye nokhuseleko. Ulwazi olunikiweyo lujolise ekuchazeni. Luxanduva lomsebenzisi ukuphatha le nto ngokwemigaqo yokhuseleko efanelekileyo kunye nokuqinisekisa ukuba ifanelekile na kwisicelo esithile.
