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author:

Zhang, Fangfang (Zhang, Fangfang.) [1] | Song, Kaixin (Song, Kaixin.) [2] | Jiang, Jun (Jiang, Jun.) [3] | Wu, Song (Wu, Song.) [4] | Zheng, Peng (Zheng, Peng.) [5] | Huang, Qingming (Huang, Qingming.) [6] (Scholars:黄清明) | Xu, Junming (Xu, Junming.) [7] | Qin, Huibin (Qin, Huibin.) [8]

Indexed by:

EI Scopus SCIE

Abstract:

A series of Si3N4 doping Y2.9Ce0.1Al5-xSixO12-3x/2N4x/3 phosphors were prepared by solid-state reaction in 95%N-2-5%H-2 reduced air ambience. The XRD characteristics plus Rietveld refinement results shows that the as-sintered powders are unique crystal phase with the same crystal structure of Y3Al5O12 (PDF No. 79-1891). The N element was not detected by the analysis of X-ray photoelectron spectroscopy (XPS) and energy dispersive X-ray spectrum (EDS). The photoluminescence spectra (PL & PLE) tests show that the exciting and emitting intensity of PLE & PL gradually increase due to the increase of Si3N4 concentration. Meanwhile, the phosphorescence decay times are prolonged from 45 ns (x = 0) to 78 ns (x = 0.3), under the monitor of 530 nm wavelength. The thermoluminescence tests (TL) confirm the thermal stability of as-phosphors with Si3N4 addition is much better than that of the pristine Y2.9Ce0.1Al5O12 phosphors. (C) 2014 Elsevier B.V. All rights reserved.

Keyword:

Photoluminescence Solid-state reaction Thermal stability YAG:Ce

Community:

  • [ 1 ] [Zhang, Fangfang]Hangzhou Dianzi Univ, Coll Elect Informat & Engn, Hangzhou 310018, Zhejiang, Peoples R China
  • [ 2 ] [Song, Kaixin]Hangzhou Dianzi Univ, Coll Elect Informat & Engn, Hangzhou 310018, Zhejiang, Peoples R China
  • [ 3 ] [Wu, Song]Hangzhou Dianzi Univ, Coll Elect Informat & Engn, Hangzhou 310018, Zhejiang, Peoples R China
  • [ 4 ] [Zheng, Peng]Hangzhou Dianzi Univ, Coll Elect Informat & Engn, Hangzhou 310018, Zhejiang, Peoples R China
  • [ 5 ] [Xu, Junming]Hangzhou Dianzi Univ, Coll Elect Informat & Engn, Hangzhou 310018, Zhejiang, Peoples R China
  • [ 6 ] [Qin, Huibin]Hangzhou Dianzi Univ, Coll Elect Informat & Engn, Hangzhou 310018, Zhejiang, Peoples R China
  • [ 7 ] [Jiang, Jun]Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Ningbo 315201, Zhejiang, Peoples R China
  • [ 8 ] [Huang, Qingming]Fuzhou Univ, Instrument Anal & Testing Ctr, Fuzhou 350002, Peoples R China

Reprint 's Address:

  • [Song, Kaixin]Hangzhou Dianzi Univ, Coll Elect Informat & Engn, Hangzhou 310018, Zhejiang, Peoples R China

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Source :

JOURNAL OF ALLOYS AND COMPOUNDS

ISSN: 0925-8388

Year: 2014

Volume: 615

Page: 588-593

2 . 9 9 9

JCR@2014

5 . 8 0 0

JCR@2023

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:355

JCR Journal Grade:1

CAS Journal Grade:1

Cited Count:

WoS CC Cited Count: 34

SCOPUS Cited Count: 34

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 0

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