Raman Spectroscopy Characterization of Dissolved Polysilicon Byproduct SiCl₄ in Ionic Liquids

Table 1

Ionic liquids used in the study.

Chemical name	Abbreviation	Structure
1-Butyl-3-methylimidazolium trifluoromethanesulfonate	[Bmim]OTf
1-Butyl-3-methylimidazolium bis[(trifluoromethyl)sulfonyl]imide	[Bmim]NTf2
1-Hexyl-3-methylimidazolium bis[(trifluoromethyl)sulfonyl]imide	[Hmim]NTf2
1-Octyl-3-methylimidazolium bis[(trifluoromethyl)sulfonyl]imide	[Omim]NTf2