Optimization of synthesis technique and luminescent properties in Eu3+-activated NaCaPO4 phosphor for solid state lighting applications

被引：23

作者：

Ratnam, B. V. ^{[1
]}

Sahu, Mukesh K. ^{[2
]}

Vishwakarma, Amit K. ^{[2
]}

Jha, Kaushal ^{[2
]}

Woo, Hyun-Joo ^{[1
]}

Jang, Kiwan ^{[1
]}

Jayasimhadri, M. ^{[2
]}

机构：

[1] Changwon Natl Univ, Dept Phys, Chang Won 51140, South Korea

[2] Delhi Technol Univ, Dept Appl Phys, LMRL, Delhi 110042, India

来源：

JOURNAL OF LUMINESCENCE | 2017年 / 185卷

基金：

新加坡国家研究基金会;

关键词：

NaCaPO4; Phosphor; Rietveld refinement; Luminescence; White LEDs; MOLTEN-SALT SYNTHESIS; ENERGY-TRANSFER; OPTICAL-PROPERTIES; COMBUSTION METHOD; EMITTING-DIODES; PHOTOLUMINESCENCE; EMISSION; NANOPHOSPHORS;

D O I：

10.1016/j.jlumin.2017.01.006

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Europium activated NaCaPO4 phosphor has been synthesized by various synthesis techniques such as solid-state reaction (SSR), molten salt synthesis (MSS) and sol-gel combustion (SGC) method to optimize the synthesis procedure. The comparative investigations of structural and luminescent properties have been studied to know the best synthesis method. The XRD patterns and Rietveld refinement analysis of the synthesized phosphors confirmed the single phase orthorhombic structure of NaCaPO4. Excitation spectra indicate the strong absorption in near ultraviolet (n-UV) region and the emission spectra exhibit strong emission band at 595 nm corresponds to D-5(0)-> F-7(1) transition under n-UV (lambda(ex)=392 nm) excitation. The SGC route synthesized phosphor exhibit intense emission than that of the SSR and MSS method. Therefore, the effect of dopant (Eu3+) concentration on the emission intensity and concentration quenching mechanism has been discussed in detail for the Eu3+ doped NaCaPO4 phosphor synthesized by SGC method. The CIE chromaticity coordinates have been calculated for the phosphors synthesized by SSR, MSS and SGC methods to reveal the emitting color and also to know the utility of this phosphor for white LEDs. (C) 2017 Elsevier B.V. All rights reserved.

引用

页码：99 / 105

页数：7

共 48 条

[1]

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

[2] Development of nanophosphors - A review [J].

Chander, H .

MATERIALS SCIENCE & ENGINEERING R-REPORTS, 2005, 49 (05) :113-155

[3] Synthesis of Eu3+-activated ZnO superstructures: Photoluminescence, Judd-Ofelt analysis and Sunlight photocatalytic properties [J].

Chandrasekhar, M. ;

Nagabhushana, H. ;

Vidya, Y. S. ;

Anantharaju, K. S. ;

Sharma, S. C. ;

Premkumar, H. B. ;

Prashantha, S. C. ;

Prasad, B. Daruka ;

Shivakumarai, C. ;

Saraf, Rohit ;

Nagaswarupa, H. P. .

JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL, 2015, 409 :26-41

[4] Comparative study on the synthesis, photoluminescence and application in InGaN-based light-emitting diodes of TAG:Ce3+ phosphors [J].

Chen, Yibo ;

Wang, Jing ;

Gong, Menglian ;

Su, Qiang .

JOURNAL OF SOLID STATE CHEMISTRY, 2007, 180 (04) :1165-1170

[5] New orange-red emitting phosphor La3NbO7:Eu3+ under blue excitation [J].

Francis, Linda T. ;

Rao, P. Prabhakar ;

Thomas, Mariyam ;

Mahesh, S. K. ;

Reshmi, V. R. ;

Thampi, Vaisakhan D. S. .

MATERIALS LETTERS, 2012, 81 :142-144

[6] Spectroscopic and structural properties of Na3RE(PO4)2:Yb orthophosphates synthesised by hydrothermal method (RE = Y, Gd) [J].

Godlewska, P. ;

Matraszek, A. ;

Macalik, L. ;

Hermanowicz, K. ;

Ptak, M. ;

Tomaszewski, P. E. ;

Hanuza, J. ;

Szczygiel, I. .

JOURNAL OF ALLOYS AND COMPOUNDS, 2015, 628 :199-207

[7] Li doping effect on the photoluminescence behaviors of KSrPO4:Dy3+ phosphors for WLED light [J].

Gou, Jing ;

Wang, Jing ;

Yu, Binxun ;

Duan, Dongyu ;

Ye, Shufen ;

Liu, Shengzhong .

MATERIALS RESEARCH BULLETIN, 2015, 64 :364-369

[8] Effect of sintering atmosphere and lithium ion co-doping on photoluminescence properties of NaCaPO4:Eu2+ phosphor [J].

Grandhe, Bhaskar Kumar ;

Bandi, Vengala Rao ;

Jang, Kiwan ;

Lee, Ho-Sueb ;

Shin, Dong-Soo ;

Yi, Soung-Soo ;

Jeong, Jung-Hyun .

CERAMICS INTERNATIONAL, 2012, 38 (08) :6273-6279

[9] Optical Properties and Energy Transfer of NaCaPO4:Ce3+,Tb3+ Phosphors for Potential Application in Light-Emitting Diodes [J].

Guo, Ning ;

Song, Yanhua ;

You, Hongpeng ;

Jia, Guang ;

Yang, Mei ;

Liu, Kai ;

Zheng, Yuhua ;

Huang, Yeju ;

Zhang, Hongjie .

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY, 2010, (29) :4636-4642

[10] High color purity orange-emitting KBaBP2O8:Eu3+ phosphor: Synthesis, characterization and photoluminescence properties [J].

Han, Bing ;

Li, Pengju ;

Zhang, Jie ;

Shi, Hengzhen .

JOURNAL OF LUMINESCENCE, 2014, 155 :15-20

← 1 2 3 4 5 →