Characterization of ZnO flowers of hexagonal prisms with planar and hexagonal pyramid tips grown on Zn substrates by a hydrothermal process

被引：15
作者：
Ekthammathat, Nuengruethai [1 ]
Thongtem, Titipun [1 ,4 ]
Phuruangrat, Anukorn [2 ]
Thongtem, Somchai [3 ,4 ]
机构：
[1] Chiang Mai Univ, Fac Sci, Dept Chem, Chiang Mai 50200, Thailand
[2] Prince Songkla Univ, Fac Sci, Dept Mat Sci & Technol, Hat Yai 90112, Songkhla, Thailand
[3] Chiang Mai Univ, Fac Sci, Dept Phys & Mat Sci, Chiang Mai 50200, Thailand
[4] Chiang Mai Univ, Fac Sci, Mat Sci Res Ctr, Chiang Mai 50200, Thailand
来源：
SUPERLATTICES AND MICROSTRUCTURES | 2013年 / 53卷
关键词：
ZnO flower-like structure; Hexagonal prisms; Hydrothermal method; OPTICAL-PROPERTIES; THERMAL EVAPORATION; ZINC FOIL; NANORODS; MORPHOLOGY; ARRAYS; NANOWIRES; NANODISKS; PROPERTY; FILMS;
D O I：
10.1016/j.spmi.2012.10.013
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Flower-like ZnO crystals on zinc substrates were synthesized by a simple hydrothermal method in different solutions containing 0.05, 0.10, 0.20, 0.30 and 0.40 g LiOH. X-ray diffraction (XRD), Fourier transform infrared (FTIR) spectroscopy, scanning electron microscopy (SEM), transmission electron microscopy (TEM) and selected area electron diffraction (SAED) showed that the products were wurtzite hexagonal ZnO flowers, composed of single crystalline hexagonal prisms grown along the [0001] direction with planar and hexagonal pyramid tips, including the Zn-O stretching vibration at 411.5 cm(-1). Photoluminescence (PL), excited by a 215 nm wavelength at room temperature, exhibited strong green emission at 543 nm. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：195 / 203
页数：9
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