Structural and Luminescence Properties of Highly Crystalline ZnO Nanoparticles Prepared by Sol-Gel Method

被引：22
|
作者：
Bousslama, Wiem [1 ]
Elhouichet, Habib [1 ,2 ]
Gelloz, Bernard [3 ]
Sieber, Brigitte [4 ]
Addad, Ahmed [4 ]
Moreau, Myriam [5 ]
Ferid, Mokhtar [1 ]
Koshida, Nobuyoshi [6 ]
机构：
[1] Ctr Natl Rech Sci Mat, Lab Physicochim Mat Mineraux & Leurs Applicat, Tunis 2050, Tunisia
[2] Fac Sci Tunis, Dept Phys, Tunis, Tunisia
[3] Nagoya Univ, Grad Sch Engn, Dept Appl Phys, Nagoya, Aichi 4648603, Japan
[4] Univ Lille 1, UMR CNRS 8207, UMET, F-59655 Villeneuve Dascq, France
[5] Univ Lille 1, LASIR UMR CNRS 8516, F-59655 Villeneuve Dascq, France
[6] Tokyo Univ Agr & Technol, Grad Sch Engn, Koganei, Tokyo 1848588, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2012年 / 51卷 / 04期
关键词：
THIN-FILMS; PHOTOLUMINESCENCE PROPERTIES; OPTICAL-PROPERTIES; OXIDE; GROWTH; FABRICATION; DEPOSITION; SUBSTRATE; NANORODS;
D O I：
10.1143/JJAP.51.04DG13
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
ZnO nanoparticles were synthesized using sol-gel method. The structural and optical properties were investigated by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), high resolution TEM (HRTEM), Raman spectroscopy, and photoluminescence (PL). XRD analysis demonstrates that the nanoparticles have the hexagonal wurtzite structure and the particle size is increased with annealing temperature. The average size of the nanoparticles was determined by SEM as well as XRD data and found to be similar to 50 nm after annealing at 800 degrees C. A sharp, strong and dominant UV emission with a suppressed green emission has been observed at 300 and 10 K, indicating the good optical properties of ZnO nanoparticles. The 10 K UV band is dominated by a neutral-donor bound exciton, and the surface-related SX emission at 3.31 eV is evidenced. (C) 2012 The Japan Society of Applied Physics
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页数：6
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