White-Light Emitting Di-Ureasil Hybrids.

ABSTRACT: White-light emitting materials have emerged as important components for solid state lighting devices with high potential for the replacement of conventional light sources. Herein, amine-functionalized organic-inorganic di-ureasil hybrids consisting of a siliceous skeleton and oligopolyether chains codoped with lanthanide-based complexes, with Eu³⁺ and Tb³⁺ ions and 4,4'-oxybis(benzoic acid) and 1,10-phenanthroline ligands, and the coumarin 1 dye were synthesized by in situ sol⁻gel method. The resulting luminescent di-ureasils show red, green, and blue colors originated from the Eu³⁺, Tb³⁺, and C1 emissions, respectively. The emission colors can be modulated either by variation of the relative concentration between the emitting centers or by chang

SUBMITTER: Fang M 

PROVIDER: S-EPMC6266990 | biostudies-literature | 2018 Nov

REPOSITORIES: biostudies-literature