Photoluminescence properties of Ba3Si6O12N2:Eu2+ oxynitride phosphor synthesized by liquid phase precursor method

被引：12

作者：

Song, Y. H. ^{[1
]}

Kim, M. O. ^{[1
]}

Jung, M. K. ^{[3
]}

Senthil, K. ^{[1
]}

Masaki, T. ^{[1
]}

Toda, K. ^{[2
]}

Yoon, D. H. ^{[1
]}

机构：

[1] Sungkyunkwan Univ, Sch Adv Mat Sci & Engn, Suwon 440746, South Korea

[2] Niigata Univ, Ctr Transdisciplinary Res, Grad Sch Sci & Technol, Niigata 9502181, Japan

[3] Hyosung Corp, R&D Business Labs, Anyang 431080, South Korea

来源：

MATERIALS LETTERS | 2012年 / 77卷

关键词：

Oxynitride phosphor; White LEDs; Concentration quenching; LIGHT-EMITTING-DIODES; CA-ALPHA-SIALON; LUMINESCENCE PROPERTIES; QUANTUM DOTS; EU2+;

D O I：

10.1016/j.matlet.2012.02.131

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Ba3Si6O12N2 green-emitting phosphors were synthesized using oxide precursor by liquid phase precursor (LPP) method under a flowing NH3 gas. X-ray diffraction patterns showed that the prepared phosphor indicated a Ba3Si6O12N2 pure single phase. The emission spectra of synthesized phosphors under excited from UV to blue light showed a typically broad green emission wavelength which is assigned to 4f(6)5d -> 4f(7) electronic transition of Eu2+ ion. Compared with emission intensity of prepared sample, the emission intensity of Ba3- Si6O12N2 green-emitting phosphors using LPP method is more than 2.5 times than that of Ba3Si6O12N2 green-emitting one by a solid state reaction method. The synthesis of phosphor using the LPP method is expected as alternative synthesis method. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：121 / 124

页数：4

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