Low temperature micro Raman and laser induced upconversion and downconversion spectra of europium doped silver tungstate Ag2-3xEuxWO4 nanorods

Author(s)

Pinatti, Ivo M. ; Ireland, Terry G. ; Fern, George R. ; Rosa, Ieda L. V. ; Silver, Jack

• Document type: Journal article
• Source: JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS; v. 28, n. 10, p. 7-pg., 2017-05-01.

Abstract

All the red emitting europium-doped silver tungstate alpha-Ag2-3xEuxWO4 (x = 0.01-0.08 mol) phosphor reported herein crystalise as nanorods. The nanorods were structurally characterised by X-ray powder diffraction, Rietveld refinement, low temperature (20 to -190 A degrees C) micro-Raman spectroscopy . The morphology of the nanorods reported herein was confirmed by field emission scanning electron microscopy. The optical properties were studied using low temperature (20 to -190 A degrees C) high resolution laser excited upconversion and downconversion luminescence. (AU)

• FAPESP's process: 13/23995-8 - Synthesis of silver tungstate doped with Eu3+ and the study of their optical, photoluminescent and photocatalytic properties
• Grantee: Ivo Mateus Pinatti
• Support Opportunities: Scholarships in Brazil - Doctorate
• FAPESP's process: 13/07296-2 - CDMF - Center for the Development of Functional Materials
• Grantee: Elson Longo da Silva
• Support Opportunities: Research Grants - Research, Innovation and Dissemination Centers - RIDC
• FAPESP's process: 15/13669-1 - Structural and photoluminescence properties of Eu3+ doped Ag2WO4 synthesized by the green coprecipitation methodology
• Grantee: Ivo Mateus Pinatti
• Support Opportunities: Scholarships abroad - Research Internship - Doctorate