Aqueous synthesis of single-crystalline ZnO prisms on graphite substrates

被引：13

作者：

Hamada, Takahiro ^{[1
]}

Fujii, Eiji ^{[1
]}

Chu, Dewei ^{[2
]}

Kato, Kazumi ^{[2
]}

Masuda, Yoshitake ^{[2
]}

机构：

[1] Panasonic Corp, Adv Technol Res Lab, Seika, Kyoto 6190237, Japan

[2] Natl Inst Adv Ind Sci & Technol, Moriyama Ku, Nagoya, Aichi 4638560, Japan

来源：

JOURNAL OF CRYSTAL GROWTH | 2011年 / 314卷 / 01期

关键词：

Crystal morphology; Crystal structure; Growth from solutions; Oxides; Zinc compounds; Semiconducting II-VI materials; ROOM-TEMPERATURE; THIN-FILMS; GROWTH; ARRAYS; DEPOSITION; DRIVEN;

D O I：

10.1016/j.jcrysgro.2010.10.161

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

Morphological change from ZnO films to ZnO prisms is achieved by an electrochemical deposition method on a graphite substrate at the low temperature of 70 degrees C. The ZnO prisms, which are prism-shaped ZnO rods with a wide diameter, have hexagonal well-defined crystallographic facets. The ZnO prism is 1.4 mu m in diameter and 1.3 mu m in length. Transmission electron microscopy and electron diffraction patterns indicate that the ZnO prisms have a single-crystalline wurtzite structure with c-axis orientation. Additionally, cathodoluminescence shows that the annealed ZnO prisms in nitrogen gas emit a significant level of near-band-edge ultraviolet light. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：180 / 184

页数：5

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