The present invention can suppress the sintering between the particles during high temperature firing, crystallinity and high oxidation resistance, which can maintain excellent thermochromic be prolonged storage or use carbon providing coated vanadium dioxide particles. Further, the present invention aims resin composition obtained by using the carbon-coated vanadium dioxide particles, the coating film, the film, the interlayer film for a laminated glass, combined to provide a glass and affixing the film.
The present invention, on the surface of the vanadium dioxide particles, a carbon-coated vanadium dioxide particles having a coating layer made of amorphous carbon, the amorphous carbon is one derived from carbon oxazine resin contains, as measured by Raman spectrum peak intensity ratio of G band to D band in the case of 1.5 or more, the average film thickness of the coating layer is 50nm or less and variation coefficient of thickness of said coating layer (CV value) is not more than 7% carbon coating a vanadium dioxide particles.