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Updated: May 31, 2026

Low-energy Cathodoluminescence for (Oxy)Nitride Phosphors

Low-energy Cathodoluminescence for (Oxy)Nitride Phosphors

Published on: November 15, 2016

5d-4f transition in new phosphate-based phosphors.

K N Shinde¹, S J Dhoble

¹Department of Physics, N. S. Science and Arts College, Bhadrawati District, Chandrapur, 442902, India. kartik_shinde@rediffmail.com

Luminescence : the Journal of Biological and Chemical Luminescence

|June 22, 2011

Summary

This study synthesized cerium-doped strontium and barium aluminophosphate compounds using a combustion method. The strontium-based phosphor exhibited higher photoluminescence intensity, suggesting potential for scintillation applications.

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Phase-Dependent Control of Trap Depth and Persistent Luminescence in Strontium Aluminate Phosphors

Phase-Dependent Control of Trap Depth and Persistent Luminescence in Strontium Aluminate Phosphors

Published on: December 5, 2025

Area of Science:

Materials Science
Solid-State Chemistry
Luminescence

Background:

Aluminophosphate compounds are explored for their luminescent properties.
Cerium (Ce3+) doping is a common strategy to induce luminescence in host materials.
Combustion synthesis offers a rapid and efficient route for preparing inorganic phosphors.

Purpose of the Study:

To synthesize and characterize Ce(3+)-doped Sr(6)AlP(5)O(20) and Ba(6)AlP(5)O(20) phosphors.
To investigate the photoluminescence properties of the synthesized materials.
To evaluate their potential for scintillation applications.

Main Methods:

Combustion synthesis was employed for material preparation.
X-ray diffraction (XRD) was used to confirm compound formation.
Photoluminescence (PL) spectroscopy was utilized to analyze emission spectra.

Main Results:

The successful synthesis of Ce(3+)-doped Sr(6)AlP(5)O(20) and Ba(6)AlP(5)O(20) was confirmed by XRD.
Photoluminescence emission spectra showed a peak at 355 nm upon excitation at 307 nm.
Strong Ce(3+) emission, attributed to the 5d→4f transition, was observed.
The Sr(6)AlP(5)O(20):Ce phosphor demonstrated higher emission intensity compared to its Ba-based counterpart.

Conclusions:

Ce(3+)-doped Sr(6)AlP(5)O(20) and Ba(6)AlP(5)O(20) were successfully synthesized via combustion method.
The synthesized phosphors exhibit characteristic Ce(3+) emission, indicating their luminescent capabilities.
The superior emission intensity of Sr(6)AlP(5)O(20):Ce suggests its promising potential for scintillation applications.