Carbon-coated vanadium dioxide particles

A carbon-coated vanadium dioxide particle, comprising:

• a vanadium dioxide particle;
• and
• a coating layer containing amorphous carbon on a surface of the vanadium dioxide particle,
• wherein the amorphous carbon is derived from carbon contained in an oxazine resin, and has a peak intensity ratio of a G band to a D band of 1.5 or greater as determined from a Raman spectrum,
• the coating layer has an average thickness of 50 nm or less,
• the coating layer has a coefficient of variation (CV value) of thickness of 7% or less, and
• at least one of a mass spectrum derived from a benzene ring and a mass spectrum derived from a naphthalene ring is detected when the coating layer is analyzed by time-of-flight secondary ion mass spectrometry (TOF-SIMS), and
• the average particle size of the carbon-coated vanadium dioxide particle is 45 to 130 nm.