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Updated: Feb 14, 2026

Production and Characterization of Vacuum Deposited Organic Light Emitting Diodes
Published on: November 16, 2018
Luminescent properties of novel red-emitting M7 Sn(PO4 )6 :Eu3+ (M = Sr, Ba) for light-emitting diodes
Guo Feng1, Weihui Jiang1,2,3, Jianmin Liu1
1National Engineering Research Center for Domestic & Builing Ceramics, Jingdezhen Ceramic Institute, Jingdezhen, China.
Abstract:
Novel red-emitting phosphors, Eu3+ -activated M7 Sn(PO4 )6 (M = Sr, Ba), were synthesized at 1200°C by conventional solid-state reaction method. The luminescent properties of M7 Sn(PO4 )6 :Eu3+ (M = Sr, Ba) phosphors were investigated, and the critical concentration of the activator (Eu3+ ) concentration were found to be 0.175 mol and 0.21 mol per formula unit for Sr7-x Sn(PO4 )6 :xEu3+ and Ba7-x Sn(PO4 )6 :xEu3+ , respectively. These phosphors presented red luminescence under the excitation of 395 or 465 nm, perfectly matching with the emissions wavelength of near-ultraviolet (UV) light-emitting diodes (LEDs) and InGaN blue LED.
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