Growth of self-assembled ZnO rods cellular network over a large area by thermal evaporation method

被引：4

作者：

Kumar, M. Senthil ^{[2
]}

Chhikara, Deepak ^{[1
]}

Srivatsa, K. M. K. ^{[1
]}

机构：

[1] CSIR, Mat Phys & Engn Div, Natl Phys Lab, New Delhi 110012, India

[2] CSIR, Phys Energy Harvesting Div, Natl Phys Lab, New Delhi 110012, India

来源：

MATERIALS LETTERS | 2011年 / 65卷 / 12期

关键词：

Network pattern; Thermal evaporation; Electron microscopy (SEM); Photoluminescence spectroscopy; NANOWIRE; FABRICATION;

D O I：

10.1016/j.matlet.2011.03.069

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Self-assembled hexagonal wurtzite ZnO rods network has been grown on Si (100) substrate by thermal oxidation of Zn powder at 600 degrees C with an oxygen flow of 100 sccm. The ZnO rods are found to be grown in a cellular network structure over a large substrate area in millimeter scale. They exhibit well-defined hexagonal facets with a diameter of similar to 200 nm and a length of similar to 2.5 mu m and grow along ZnO < 0001 > direction mostly perpendicular to the substrate. Excellent luminescence properties of a strong UV emission peak with negligible green band have been obtained at room temperature. (C) 2011 Published by Elsevier B.V.

引用

页码：1938 / 1940

页数：3

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