| abstract |
Provided is an ink composition used for image formation by an ink jet method. The ink composition includes plate-like metal particles that include a metal element having a standard oxidation-reduction potential nobler than −1.65 V, that have an average equivalent circle diameter of 10 nm or more and less than 500 nm, and that have an average aspect ratio, which is the ratio of the average equivalent circle diameter to an average thickness, of 3 or more. Also provided are an ink set, an image forming method, and a printed matter. |