Effect of barium doping on structural and optical properties of zinc oxide nanoparticles synthesized by microwave hydrothermal method

被引：23

作者：

N'Konou, Kekeli ^{[1
,2
,3
]}

Haris, Muthiah ^{[2
]}

Lare, Yendoube ^{[1
]}

Baneto, Mazabalo ^{[1
]}

Napo, Kossi ^{[1
]}

Torchio, Philippe ^{[3
]}

机构：

[1] Univ Lome, Lab Energie Solaire, BP 1515, Lome, Togo

[2] Karunya Univ, Dept Phys, Coimbatore 641114, Tamil Nadu, India

[3] Aix Marseille Univ, Inst Mat Microelect Nanosci Prov IM2NP, CNRS, UMR 7334, Domaine Univ St Jerome,Serv 231, F-13397 Marseille 20, France

来源：

PHYSICA STATUS SOLIDI B-BASIC SOLID STATE PHYSICS | 2016年 / 253卷 / 02期

关键词：

Ba doping; microwave hydrothermal method; nanoparticles; Raman spectroscopy; ZnO; DOPED ZNO NANOPARTICLES; SOL-GEL SYNTHESIS; FLOWER-LIKE; LOW-TEMPERATURE; MAGNETIC-PROPERTIES; ASSISTED SYNTHESIS; NANOSTRUCTURES; DEPOSITION; FABRICATION; ABSORPTION;

D O I：

10.1002/pssb.201552177

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Undoped and Ba-doped ZnO nanoparticles were successfully synthesized using microwave hydrothermal method. The influence of Barium concentration on physical and optical properties of ZnO nanoparticles was investigated. X-Ray Diffraction (XRD) analysis revealed that the synthesized ZnO nanoparticles are polycrystalline with hexagonal wurtzite crystal structure and their average crystallite sizes are found to vary from 20 to 21.5nm in diameter. The SEM images showed that surface morphology of the samples was influenced by the presence of Ba impurities. Ultraviolet and green emission bands around 415 and 603nm, respectively were observed in photoluminescence spectra for all samples. The FTIR spectra indicated the presence of the distinct characteristic absorption peak at 489cm(-1) for Zn-O stretching modes. Raman spectra exhibited the presence of an intense peak around 437cm(-1) followed by a peak around 586cm(-1) in the higher wave number region.

引用

页码：260 / 266

页数：7

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