(0 0 2)-oriented growth and morphologies of ZnO thin films prepared by sol-gel method

Author:

Guo Dongyun1,Ju Yang1,Fu Chengju2,Huang Zhixiong2,Zhang Lianmeng2

Affiliation:

1. 1Department of Mechanical Science and Engineering, Nagoya University, Nagoya 464-8603, Japan

2. 2School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070, China

Abstract

AbstractZinc acetate was used as a starting material to prepare Zn-solutions from solvents and ligands with different boiling temperature. The ZnO thin films were prepared on Si(1 0 0) substrates by spin-coating method. The effect of baking temperature and boiling temperature of the solvents and ligands on their morphologies and orientation was investigated. The solvents and ligands with high boiling temperature were favorable for relaxation of mechanical stress to form the smooth ZnO thin films. As the solvents and ligands with low boiling temperature were used to prepare Zn-solutions, the prepared ZnO thin films showed (0 0 2) preferred orientation. As n-propanol, 2-methoxyethanol, 2-(methylamino)ethanol and monoethanolamine were used to prepare Zn-solutions, highly (0 0 2)-oriented ZnO thin films were formed by adjusting the baking temperature.

Publisher

Walter de Gruyter GmbH

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

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