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Appl. Sci. 2015, 5(4), 1494-1502; doi:10.3390/app5041494

Luminescent Properties of Sr4Si3O8Cl4:Eu2+, Bi3+ Phosphors for Near UV InGaN-Based Light-Emitting-Diodes

1,†
,
2,†
and
2,*
1
College of Chemistry and Chemical Engineering, Neijiang Normal University, Neijiang 641112, China
2
Key Laboratory of Comprehensive Utilization of Mineral Resources in Ethnic Regions, Joint Research Centre for International Cross-Border Ethnic Regions Biomass Clean Utilization in Yunnan, School of Chemistry & Environment, Yunnan Minzu University, Kunming 650500, China
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Totaro Imasaka
Received: 30 September 2015 / Revised: 27 October 2015 / Accepted: 23 November 2015 / Published: 1 December 2015
(This article belongs to the Section Optics and Lasers)
View Full-Text   |   Download PDF [1177 KB, uploaded 1 December 2015]   |  

Abstract

Sr4Si3O8Cl4 co-doped with Eu2+, Bi3+ were prepared by the high temperature reaction. The structure and luminescent properties of Sr4Si3O8Cl4:Eu2+, Bi3+ were investigated. With the introduction of Bi3+, luminescent properties of these phosphors have been optimized. Compared with Sr3.90Si3O8Cl4:0.10Eu2+, the blue-green phosphor Sr3.50Si3O8Cl4:0.10Eu2+, 0.40Bi3+ shows stronger blue-green emission with broader excitation in near-UV range. Bright blue-green light from the LED means this phosphor can be observed by the naked eye. Hence, it may have an application in near UV LED chips. View Full-Text
Keywords: luminescent properties; phosphors; light-emitting diodes; Sr4Si3O8Cl4 luminescent properties; phosphors; light-emitting diodes; Sr4Si3O8Cl4
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Shen, W.; Zhu, Y.; Wang, Z. Luminescent Properties of Sr4Si3O8Cl4:Eu2+, Bi3+ Phosphors for Near UV InGaN-Based Light-Emitting-Diodes. Appl. Sci. 2015, 5, 1494-1502.

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