Self-assembled growth of vertically aligned ZnO nanorods for light sensing applications

被引：34
|
作者：
Samir, Noha [1 ]
Eissa, Dina S. [1 ]
Allam, Nageh K. [1 ]
机构：
[1] Amer Univ Cairo, Sch Sci & Engn, Energy Mat Lab, New Cairo 11835, Egypt
来源：
MATERIALS LETTERS | 2014年 / 137卷
关键词：
Anodization; ZnO nanorods; Raman; X-ray photoelectron spectroscopy; Sensor; LARGE-SCALE; FILMS;
D O I：
10.1016/j.matlet.2014.08.114
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A facile low temperature anodization approach is presented for the first time to synthesize aligned ZnO nanorods (NRs). The NRs have diameters in the range of 150-250 nm and lengths of 50-100 mu m with hexagonal structures. Electropolishing and pre-annealing of the Zn foil before the anodization step were essential to produce ordered NRs. X-ray diffraction, transmission electron diffraction, Raman and X-ray photoelectron spectroscopy analyses confirmed the formation of ZnO. The photodetector made using the prepared ZnO NRs showed an excellent responsivity of similar to 1 A/W. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：45 / 48
页数：4
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