Prospective phosphors for white LEDs based on double molybdates of the composition Ln2Zr3 (MoO4) 9 (Ln: Eu, Tb)

TL;DR

This paper investigates new luminescent double molybdate compounds doped with Eu3+ and Tb3+ ions for potential use as white phosphors in LEDs, analyzing their spectral properties and color coordinates.

Contribution

It introduces novel Eu3+ and Tb3+ doped double molybdates and characterizes their spectral and luminescent properties for LED applications.

Findings

Spectral characteristics of Eu3+ and Tb3+ in double molybdates are detailed.

Decay times and color coordinates are determined.

Potential suitability as white phosphor components is demonstrated.

Abstract

The results of the investigation of the spectral characteristics of new luminescent substances based on rare-earth ions Eu3 + and Tb3 + in matrices of double molybdates are presented in the article. The luminescence and excitation spectra are considered, the decay times of the main transitions are determined, and the color coordinates are determined. The results show the possible suitability of using these compounds as white phosphor phosphor components.