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Updated: Jun 25, 2026

Low-energy Cathodoluminescence for (Oxy)Nitride Phosphors

Low-energy Cathodoluminescence for (Oxy)Nitride Phosphors

Published on: November 15, 2016

[A novel red phosphor (La3PO7:Eu3+) prepared by solid state method].

Ye Jin¹, Wei-ping Qin, Ji-sen Zhang

¹Key Laboratory of Excited State Processes, Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China. jinye3446@yahoo.com.cn

Guang Pu Xue Yu Guang Pu Fen Xi = Guang Pu

|March 3, 2009

Summary

This summary is machine-generated.

A novel red phosphor, lanthanum oxyphosphate doped with europium ions (La3PO7:Eu3+), was synthesized. This material exhibits intense red fluorescence, making it a promising, cost-effective alternative for display and lighting applications.

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Area of Science:

Materials Science
Solid-state Chemistry
Luminescence

Context:

Developing efficient red phosphors is crucial for advanced display and lighting technologies.
Europium (Eu3+) ions are well-known for their characteristic red emission.
Oxyphosphate hosts offer tunable properties for luminescence applications.

Purpose:

To synthesize and characterize a novel red phosphor based on Eu3+-doped La3PO7.
To investigate the structural and luminescent properties of the synthesized material.
To evaluate its potential for applications in display panels and fluorescent lamps.

Summary:

A novel red phosphor, La3PO7:Eu3+, was successfully synthesized using a solid-state method at high temperatures.
X-ray diffraction confirmed the monoclinic crystal phase, and photoluminescence spectroscopy revealed intense red emission attributed to the Eu3+ (5)D0 → (7)F2 transition.
The synthesized phosphor exhibits CIE coordinates in the red region, comparable to Y2O3:Eu3+ but with a lower host material cost.

Impact:

The novel La3PO7:Eu3+ phosphor demonstrates potential as a cost-effective alternative for red-emitting materials.
Its strong red fluorescence and favorable chromaticity make it suitable for plasma display panels and mercury-free fluorescent lamps.
This research contributes to the development of new luminescent materials for energy-efficient lighting and display technologies.