Dependence of the properties of hydrothermally grown ZnO on precursor concentration

被引：64

作者：

Zhao, Xiuqin ^{[1
]}

Lee, Jae Yeop ^{[1
]}

Kim, Cho-Rong ^{[1
]}

Heo, Joohoe ^{[1
]}

Shin, Chang Mi ^{[1
]}

Leem, Jae-Young ^{[1
]}

Ryu, Hyukhyun ^{[1
]}

Chang, Ji-Ho

Lee, Hong Chan ^{[2
]}

Jung, Woo-Gwang ^{[3
]}

Son, Chang-Sik ^{[4
]}

Shin, Byoung Chul ^{[5
]}

Lee, Won-Jae ^{[5
]}

Tan, Swee Tiam ^{[6
]}

Zhao, Junliang ^{[7
]}

Sun, Xiaowei ^{[6
,7
]}

机构：

[1] Inje Univ, Dept Nano Syst Engn, High Safety Vehicle Core Technol Res Ctr, Gimhae 621749, Gyeongnam, South Korea

[2] Korea Maritime Univ, Dept Mechatron Engn, Pusan 606791, South Korea

[3] Kookmin Univ, Sch Adv Mat Engn, Seoul 136702, South Korea

[4] Silla Univ, Dept Elect Mat Engn, Pusan 617736, South Korea

[5] Dong Eui Univ, Dept Nano Engn, Pusan 614714, South Korea

[6] Inst Microelect, Singapore 117685, Singapore

[7] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore

来源：

PHYSICA E-LOW-DIMENSIONAL SYSTEMS & NANOSTRUCTURES | 2009年 / 41卷 / 08期

关键词：

ZnO; Hydrothermal; Precursor concentration; OPTICAL-PROPERTIES; THIN-FILMS; NANOROD ARRAYS; DEPOSITION; MORPHOLOGY;

D O I：

10.1016/j.physe.2009.04.012

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

This study evaluated the effects of precursor concentration ranging from 0.06 to 1.5 M on the properties of hydrothermally grown ZnO on annealed ZnO buffered Si substrates. At relatively low concentrations (no more than 0.5 M), well-aligned ZnO arrays were grown on ZnO/Si(100) due to heterogeneous nucleation. As the concentration was increased to 1.0 M, the morphologies changed to randomly accumulated particles as a result of homogeneous nucleation. The crystal and optical properties of the materials were investigated by X-ray diffractometer (XRD) and photoluminescence (PL) measurement, respectively. It was found that the best crystal and optical properties were obtained with concentrations of 0.5 and 0.3 M, respectively. These properties were observed to degrade when the concentration was raised to more than 1.0 M. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：1423 / 1426

页数：4

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