DISPERSION LIQUID FOR FORMATION OF HIGH-REFRACTIVE-INDEX THIN FILM

摘要

The purpose of the present invention is to provide a dispersion liquid that makes it possible to form a high-refractive-index thin film containing carbon nanofibers at room temperature without the use of a dispersant; and a dispersion liquid for forming an antistatic high-refractive-index thin film at room temperature that employs conductive nanoparticles such as carbon nanofibers. Provided is a dispersion liquid for the formation of a high-refractive-index thin film that is characterized by: comprising a solvent and nanoparticles that have a high refractive index and an average particle size of 1-9 nm as measured using a transmission electron microscope; and the nanoparticles being (A) a mixture of nanoparticles comprising nanoparticles having an average particle size of 2-5 nm and nanoparticles having an average particle size of 6-9 nm or (B) a mixture of nanoparticles comprising nanoparticles having an average particle size of 2-9 nm and nanoparticles having an average particle size of 10-15 nm. Also provided is a dispersion liquid for the formation of a high-refractive-index thin film that is characterized by comprising the aforementioned dispersion liquid for the formation of a high-refractive-index thin film and carbon nanofibers.