16-11-2017 дата публикации
Номер: US20170327944A1
Принадлежит:
Provided is an aluminum precursor for thin-film deposition having a structure of formula (I) or (II), wherein R, R, R, R, R, R, and Reach independently represent a hydrogen atom, C˜Calkyl, halo-C˜Calkyl, C˜Calkenyl, halo-C˜Calkenyl, C˜Ccycloalkyl, halo-C˜Ccycloalkyl, C˜Caryl, halo-C˜Caryl or —Si(R), and wherein Ris C˜Calkyl or halo-C˜Calkyl. According to the present invention, based on the interaction principle between molecules, aluminum precursors for thin-film deposition are provided, which have a good thermal stability, are not susceptible to decomposition and convenient for storage and transportation, have good volatility at a high temperature, and are excellent in film formation. 2. The aluminum precursor for thin-film deposition according to claim 1 , wherein Ris C˜Calkyl claim 1 , halo-C˜Calkyl claim 1 , C˜Calkenyl claim 1 , C˜Ccycloalkyl claim 1 , C˜Caryl or —Si(R) claim 1 , Rand Rare C˜Calkyl claim 1 , and R claim 1 , R claim 1 , R claim 1 , and Reach independently are a hydrogen atom or C˜Calkyl.3. The aluminum precursor for thin-film deposition according to claim 1 , wherein claim 1 , Ris isopropyl claim 1 , cyclohexyl claim 1 , ethenyl claim 1 , haloisopropyl or —Si(R) claim 1 , Rand Reach independently are methyl or isobutyl claim 1 , R claim 1 , R claim 1 , R claim 1 , and Rare a hydrogen atom claim 1 , and Ris methyl.5. The method according to claim 4 , wherein the low temperature below room temperature is selected from −78° C. to 0° C.6. The method according to claim 4 , wherein the stirring is performed at room temperature for a time selected from 1 to 8 hours.7. The method according to claim 4 , wherein the temperature for heating to reflux is selected from 20 to 150° C.8. The method according to claim 4 , wherein the molar ratio of the first reactant to the second reactant is selected from 1.0:1.0 to 1.0:2.0.9. The method according to claim 4 , wherein the solvent is selected from: straight or branched CH˜CHalkane claim 4 , CH˜CHcycloalkane claim ...
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