abstract |
Metal fine particles, and a silica-based inorganic substance of the following formula (1) for trapping the metal fine particles. [Chemical Formula 1] X is an oxygen (O) or an amine group (NH), Y is an alkyl group containing hydrogen (H), hydroxyl (OH), amino group (NH 2 ) or hetero element, , Nitrogen (N), sulfur (S), oxygen (O), and halogen elements. |