Patent ID: 9650562
Date: 2017-05-16
CPC Classifications: C09K

Claim:
1. An oxysulfide luminescent material having a general chemical formula of Ln 2−x O 2 S:Eu x 3+ @M y , wherein Eu 3+ is doped in Ln 2−x O 2 S; Ln 2−x O 2 S:Eu x 3+ has a porous structure, and @ is coating; Ln is selected from Y, Gd and La; M is at least one of Ag, Au, Pt, Pd and Cu nanoparticles; x is in a range of 0<x≦0.2; y is a molar ratio of M to Ln 2−x O 2 S:Eu x 3+ and y is in a range of 0<y≦1×10 −2 .