The present invention relates to a fluorescent particulate material, formed from particles of an oxide of an element M, some of the atoms M of which bear a cationic group of formula (I) all or some of said cationic radicals of formula (I) being combined ionically with an anionic form of an organic compound A, which is fluorescent in the visible region, said anionic form of an organic compound A bearing at least one sulfonate group and/or at least one carboxylate group.
本发明涉及一种荧光颗粒材料,由元素M的氧化物颗粒形成,其中M的一些原子带有式(I)的阳离子基团,式(I)的部分或全部阳离子基团与荧光可见区域的有机化合物A的阴离子形式离子性结合,所述有机化合物A的阴离子形式至少带有一个
磺酸基团和/或至少一个
羧酸基团。