Abstract
The UV–visible spectroscopy of laser irradiated lithium colloids and ionic liquids has been investigated. TEM00 mode 1064nm DPSS laser (LSR1064NL) of intensity 148W/cm2 and 950mW power was passed through Li containing Acetonitrile, Methanol, Hexane, 1,4-Dioxane and Chloroform for 30min. The Li metal and laser irradiation markedly affected the lower wavelength cut-off i.e., pattern of absorption spectrum of solvents and colloids. The sharp band at 190nm and two new broad bands at 256nm and 292 nm are presumably due to the formation of monolithium derivatives of Acetonitrile (i.e., Li–CH2CN, Li–CHCNH, Li–CCNH2, CHCN–Li–H and CH2−N–Li) on irradiation. However comprehensive research on same is required to be performed. The present study is certainly helpful in understanding the long-term performance and the mechanism by which the properties of colloids change.
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