IR laser-induced decomposition of hexamethyldisiloxane for chemical vapour deposition of nano-structured hydrido(methyl)silicone powders

被引:11
作者
Kupcík, J
Bastl, Z
Subrt, J
Pola, J
Papadimitriou, VC
Prosmitis, AV
Papagiannakopoulos, P
机构
[1] Acad Sci Czech Republ, Inst Chem Proc Fundamentals, CR-16502 Prague 6, Czech Republic
[2] Acad Sci Czech Republ, J Heyrovsky Inst Phys Chem, CR-18223 Prague, Czech Republic
[3] Acad Sci Czech Republ, Inst Inorgan Chem, Rez 25086, Czech Republic
[4] Univ Crete, Heraklion 71409, Crete, Greece
关键词
laser induced decomposition; chemical vapour deposition; hexamethyldisiloxane; hydrido(methyl)silicone; pyrolysis;
D O I
10.1016/S0165-2370(00)00109-1
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
The infrared laser-induced decomposition of hexamethyldisiloxane with high-fluence laser pulses affords gaseous C-1-C-2 hydrocarbons, dimethylsilane and trimethylsilane, all of which confirm a multitude of decomposition steps involving cleavage of the strong Si-O bond. The process carried out in the absence or presence of hydrogen affords chemical vapour deposition of solid nano-structured hydrido(methyl)silicone powders and represents the first thermal access to these materials from peralkylated siloxane precursor. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:109 / 118
页数:10
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