| abstract |
A doped-type metal sulfide phosphor nanoparticle dispersion, comprising a doped-type metal sulfide phosphor nanoparticle dispersed in water and/or a hydrophilic solvent, n wherein the doped-type metal sulfide phosphor nanoparticle comprises a surface that is modified with a surface modifier, the surface modifier being a compound represented by formula [I]:n nHS-L-W Formula [I]n nwherein L represents a divalent linking group; and W represents COOM or NH 2 , in which M represents a hydrogen atom, an alkali metal atom, or NX 4 , in which X represents a hydrogen atom or an alkyl group. |