Oxygen atoms in the nitrogen atom and the chest of the hydro group, groups ASO baked polymer film nakhua electric can occur with metal ion through a coordination bond co WA lane.
Oxygen atom in the hydroxyl group and the nitrogen atom of the azo polymer film on the electrode can be formed with metal ions through coordinated covalent bonds intact.
The oxygen atoms and nitrogen atoms in the hydroxyl group of the azo polymer film on electrode can occur with metal ions through the coordinate covalent bond Lane completely.