“…Later, Kulicke et al proposed that in the liquid phase, silanes may undergo substitution reactions via carbon-silicon bond formation, which compete effectively with hydrogen abstraction. 20 Condensed-phase kinetics 18,[20][21] and computational studies [22][23][24][25][26][27][28] with silanes suggest that monosilane (SiH4) is unreactive toward substitution reactions with alkyl radicals, however, that substitution reactions with disilane might be feasible, i.e. the reaction H + Si2H6 → SiH4 + SiH3 is competitive with hydrogen abstraction 18,[20][21] ; similar substitution reactions were also proposed for germanium-, tin-, and sulfur-centered molecules.…”