International Business Machines Corporation
SURFACE-MODIFIED LIGHT UPCONVERSION SILICA PARTICLES

Abstract:

A composition, method, and article of manufacture are disclosed. The composition includes a silica particle with light upconversion molecules bound to its surface. The method includes obtaining silica particles and light upconversion molecules having sidechains with reactive functional groups. The method further includes binding the light upconversion molecules to surfaces of the silica particles. The article of manufacture includes the composition.