ZnO Nanowires Grown by Atmospheric Pressure Chemical Vapor Deposition Using ZnCl2 and H2O as Source Materials and Their Growth Mechanisms

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概要

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• Single crystalline ZnO nanowires (NWs) with diameters ranging from 80 to 700 nm were successfully grown on Ni-coated SiO2/Si(100) substrates by atmospheric pressure chemical vapor deposition (CVD) using ZnCl2 and H2O as source materials. Scanning electron microscope (SEM) and transmission electron microscope (TEM) observations revealed that the ZnO NWs grown by two types of CVD systems with different source feeding configurations exhibited different morphologies and growth directions, reflecting the difference in growth mechanism, i.e., vapor–liquid–solid (VLS) growth and vapor–solid (VS) growth. Photoluminescence spectra of the ZnO NWs exhibited a dominant near-band-edge (NBE) emission, indicating their high crystalline quality.

• 2005-11-10

著者

• Shirakata Sho

  Department Of Electric And Electronic Engineering Faculty Of Engineering Ehime University

• Terasako Tomoaki

  Ehime Univ.

• Terasako Tomoaki

  Department Of Electric And Electronic Engineering Faculty Of Engineering Ehime University

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