Self-assembled growth of vertically aligned ZnO nanorods for light sensing applications
Self-assembled growth of vertically aligned ZnO nanorods for light sensing applications
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DOI：
10.1016/j.matlet.2014.08.114
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发表时间：
2014-12-15
影响因子：
3
通讯作者：
Allam, Nageh K.
中科院分区：
文献类型：
--
作者：
Samir, Noha;Eissa, Dina S.;Allam, Nageh K.
首次提出了一种制备取向氧化锌纳米棒(NRS)的简便低温阳极氧化方法。NRS的直径在150-250 nm范围内，长度在50-100微米之间，具有六方结构。锌箔在阳极氧化前的电抛光和预退火是制备有序纳米晶的关键。X射线衍射、透射电子衍射、拉曼光谱和X射线光电子能谱分析证实了氧化锌的形成。使用制备的氧化锌NRS制成的光电探测器显示出类似于1 A/W的出色响应性。(C)2014 Elsevier B.V.保留所有权利。
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.