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    • 4. 发明公开
    • Aza-polysilane precursors and methods for depositing films comprising same
    • Aza-Polysilan-Vorläuferund Verfahren zur Ablagerung von Filmen damit
    • EP2818474A1
    • 2014-12-31
    • EP14174252.8
    • 2014-06-26
    • AIR PRODUCTS AND CHEMICALS, INC.
    • Xiao, ManchaoLei, XinjianSpence, Daniel P.
    • C07F7/10C01B33/04C23C16/00
    • Described herein are precursors and methods for forming silicon-containing films. In one aspect, there is provided an aza-polysilane precursor comprising at least two Si-N bonds, at least one Si-Si bond, and at least two SiH 2 groups represented by the following Formula IA, IB and IC:


      wherein R 1 and R 2 are independently selected from a linear or branched C 1 to C 10 alkyl group, a linear or branched C 3 to C 10 alkenyl group, a linear or branched C 3 to C 10 alkynyl group, C 3 to C 10 cyclic alkyl group, C 3 to C 10 hetero-cyclic alkyl group, a C 5 to C 10 aryl group, and a C 3 to C 10 hetero-aryl group, a C 2 to C 10 dialkylamino group, a C 3 to C 10 cyclic alkylamino group; R 3 and R 4 are independently selected from hydrogen, a linear or branched C 1 to C 10 alkyl group, a linear or branched C 2 to C 10 alkenyl group, a linear or branched C 2 to C 10 alkynyl group, C 3 to C 10 cyclic alkyl group, C 3 to C 10 hetero-cyclic alkyl group, a C 5 to C 10 aryl group, and a C 3 to C 10 hetero-aryl group, a C 2 to C 10 dialkylamino group, a C 3 to C 10 cyclic alkylamino group; wherein R 1 in Formula IA cannot be methyl, R 1 and R 2 in Formula IB cannot both be iso-propyl, both be tert-butyl or both be benzyl and R 3 and R 4 cannot both be methyl or both be phenyl.
    • 本文描述了用于形成含硅膜的前体和方法。 一方面,提供了包含至少两个Si-N键,至少一个Si-Si键和由下式IA,IB和IC表示的至少两个SiH 2基团的氮杂聚硅烷前体:其中R 1 R 2独立地选自直链或支链C 1至C 10烷基,直链或支链C 3至C 10烯基,直链或支链C 3至C 10炔基,C 3至C 10环烷基 C 3〜C 10杂环烷基,C 5〜C 10芳基,C 3〜C 10杂芳基,C 2〜C 10二烷基氨基,C 3〜C 10环状 烷基氨基; R 3和R 4独立地选自氢,直链或支链C 1至C 10烷基,直链或支链C 2至C 10烯基,直链或支链C 2至C 10炔基,C 3至 C 10环烷基,C 3〜C 10杂环烷基,C 5〜C 10芳基,C 3〜C 10杂芳基,C 2〜C 10二烷基氨基,C 3 至C 10环烷基氨基; 其中式IA中的R 1不能是甲基,式IB中的R 1和R 2不能同时为异丙基,均为叔丁基或二者均为苄基,R 3和R 4不能同时为甲基或二者都为苯基。