Uniform ZnO nanowire arrays: Hydrothermal synthesis, formation mechanism and field emission performance
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- 作者：Zhiyong Zhang ; zhyzyang_58@sina.com" class="auth_mail" title="E-mail the corresponding author ; zhangzy@nwu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; Yuanyuan Lv ; Junfeng Yan ; Dandan Hui ; Jiangni Yun ; Chunxue Zhai ; Wu Zhao
- 关键词：Nanostructured materials ; ZnO nanowire arrays ; Liquid&ndash ; solid reactions ; Crystal structural ; Optical properties ; Field emission performance
- 刊名：Journal of Alloys and Compounds
- 出版年：2015
- 出版时间：25 November 2015
- 年：2015
- 卷：650
- 期：Complete
- 页码：374-380
- 全文大小：1520 K
文摘
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Uniform ZnO nanowire arrays were obtained deposited with the ZnO seed layers by a low-temperature hydrothermal process.
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A possible growth mechanism of ZnO nanowire arrays was proposed.
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The aluminum impurities existed in the ZnO nanowire arrays modify ZnO lattice and reduce the internal defects of crystal.
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The Al doping shows a lower turn-on voltage, a higher field emission factor and better current stabilities.