超臨界流体の局所構造とナノ物質生成

抄録

We have studied local structure of supercritical solution using the Raman spectroscopy and theoretical analysis. The obtained results allow us to understand the fluid structure in the vicinity of a solute molecule by decomposing intemorecular interaction into attractive and repulsive components as a function of fluid density. Here, we show several solvation structures, obtained from the attractive-repulsive component analyses. As another topic, nanomaterials have been synthesized by the pulsed laser ablation of solid materials in the supercritical fluid. The generation process of novel nanomaterials and their applications to optical devices are described, i.e. SERS substrate, enhanced-fluorescence substrate, luminescence Si particle, and nano-silicon LED.