Double perovskite Ca2GdNbO6:Mn4+ deep red phosphor: Potential application for warm W-LEDs

被引：73

作者：

Lu, Zuizhi ^{[1
]}

Huang, Tianjiao ^{[1
]}

Deng, Ruopeng ^{[1
]}

Wang, Huan ^{[1
]}

Wen, Lingling ^{[1
]}

Huang, Meixin ^{[1
]}

Zhou, Liya ^{[1
]}

Yao, Chunying ^{[1
]}

机构：

[1] Guangxi Univ, Sch Chem & Chem Engn, Nanning 530004, Peoples R China

来源：

SUPERLATTICES AND MICROSTRUCTURES | 2018年 / 117卷

关键词：

Deep red-emitting; Mn4+-doped Phosphors; Thermal stability; EMITTING PHOSPHOR; LUMINESCENT PROPERTIES; WHITE-LIGHT; PHOTOLUMINESCENCE; MN4+; EMISSION;

D O I：

10.1016/j.spmi.2018.03.054

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

A novel Mn4+-doped Ca2GdNbO6 (CGN) phosphor was prepared by high-temperature solid-state reaction. The crystal structure was investigated by X-ray diffraction patterns and unit cell structure. Mn4+ replaced the location of Nb5+ in the CGN lattice, and the value of energy gap (Egap) decreased from 2.16 eV to 1.13 eV, indicating that Mn4+ ions play a great influence on the absorption of CGN hosts. The broad excitation band from 250 nm to 550 nm matches well with commercial near-UV light emitting diodes, and the emission peak centered at 680 nm is due to E-2 -> (4)A(2)g transition in Mn4+ ions. The CIE chromaticity coordinates (0.698, 0.303) of CGN:Mn4+ phosphor was close to standard red color coordinates (0.666, 0.333). These investigations demonstrate CGN:Mn4+ phosphor as an efficient red phosphor for potential applications. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：476 / 487

页数：12

共 29 条

[1] Luminescence properties of a novel green emitting Ba2CaZn2Si6O17:Eu2+ phosphor for white light - Emitting diodes applications [J].

Annadurai, G. ;

Kennedy, S. Masilla Moses ;

Sivakumar, V. .

SUPERLATTICES AND MICROSTRUCTURES, 2016, 93 :57-66

[2]

BLASSE G, 1969, PHILIPS RES REP, V24, P131

[3] Influence of Covalency on the Mn4+2Eg → 4A2g Emission Energy in Crystals [J].

Brik, M. G. ;

Camardello, S. J. ;

Srivastava, A. M. .

ECS JOURNAL OF SOLID STATE SCIENCE AND TECHNOLOGY, 2015, 4 (03) :R39-R43

[4] Spectroscopic and crystal field analysis of absorption and photoluminescence properties of red phosphor CaAl12O19:Mn4+ modified by MgO [J].

Brik, M. G. ;

Pan, Y. X. ;

Liu, G. K. .

JOURNAL OF ALLOYS AND COMPOUNDS, 2011, 509 (05) :1452-1456

[5] Photo-luminescent properties and synthesis of Ca3Al4ZnO10:Mn4+ deep red-emitting phosphor [J].

Cao, Renping ;

Zhang, Jinlong ;

Wang, Wudi ;

Chen, Ting ;

Gou, Qingdong ;

Wen, Yufeng ;

Xiao, Fen ;

Luo, Zhiyang .

OPTICAL MATERIALS, 2017, 66 :293-296

[6] Li3Mg2NbO6:Mn4+ red phosphor for light-emitting diode: Synthesis and luminescence properties [J].

Cao, Renping ;

Shi, Zhihui ;

Quan, Guanjun ;

Luo, Zhiyang ;

Tang, Pengjie ;

Ao, Hui ;

Yu, Xiaoguang .

OPTICAL MATERIALS, 2016, 57 :212-216

[7] Crystal structure, energy transfer and tunable luminescence of Ca8(Mg,Zn)Ce(PO4)7:Eu2+ solid solution phosphor [J].

Ding Chong ;

Tang Wanjun .

JOURNAL OF LUMINESCENCE, 2018, 194 :359-365

[8] Combustion synthesis and luminescent properties of Eu3+-activated cheap red phosphors [J].

Ekambaram, S ;

Maaza, M .

JOURNAL OF ALLOYS AND COMPOUNDS, 2005, 395 (1-2) :132-134

[9] Synthesis and luminescence of Sr2SiO4:Eu3+ micro-spherical phosphors by a spray-drying process [J].

Feng, Hao ;

Yang, Yang ;

Zhang, Xiuguo ;

Xu, Yongchun ;

Guan, Jinyu .

SUPERLATTICES AND MICROSTRUCTURES, 2015, 78 :150-155

[10] Preparation, structural and optical characteristics of a deep red-emitting Mg2Al4Si5O18: Mn4+ phosphor for warm w-LEDs [J].

Fu, Anjie ;

Zhou, Liya ;

Wang, Song ;

Li, Yinghao .

DYES AND PIGMENTS, 2018, 148 :9-15

← 1 2 3 →