Laser Ablation of Micro-Sized Organic Dye Particles in Solvents with Limited Solubility for the Dye: Formation of A Supersaturated Solution
Chemistry letters(2010)
摘要
Solvents with limited solubility for N,N'-di(octyl)perylene-3,4,9,10-tetracarboxylic diimide (PTCDI-C8) were used for laser ablation in liquid. Laser irradiation of the suspension induced an absorption spectral change of the solution. The absorbance of free PTCDI-C8 molecules in the solution obtained by laser irradiation was unusually larger than that of the suspension before laser irradiation, suggesting that a supersaturated solution was formed by laser irradiation of PTCDI-C8 nanoparticles prepared by laser ablation.
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