| Synthesis and Field Emission of ZnO Nanostructures on CuO Catalyzed Porous Silicon Substrate |
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| 作者姓名： | 郁可 张永胜 欧阳世翕 张清杰 罗来强 张秋香 常中坤 李立君 朱自强 |
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| 作者单位： | [1]Department of Electronic Engineering, East China Normal University, Shanghai 200062 [2]State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070 [3]School of Physics and Microelectronics, Shangdong University, jinan 250100 |
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| 基金项目： | Supported by the National Natural Science Foundation of China under Grant No 60476004, the Foundation of State Key Laboratory of Advanced Technology for Materials Synthesis and Processing of Wuhan University of Technology under Grant No WUT2004 Z01, and GS of ECNU （No ECNU 2005）. |
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| 摘 要： | Mass production of ZnO nanobelts and hexagonal nanorods has been successfully synthesized on CuO catalyzed porous silicon （PS） using a simple vapour-solid （VS） growth method. A comparison of their morphologies is investigated by scanning electron microscopy （SEM）. The transmission electron microscopy （TEM） confirms that ZnO nanobelts and nanorods are single crystalline with the growth direction of （0110） and （0001）, respectively. Field emission tests indicate that the ZnO nanostructures on porous silicon have low turn-on field of about 3.6 V/μm （at 1.0μA/cm^2） and the threshold field of about 8.3 V/μm （at 1.0mA/cm^2）, high emission site density （ESD） of approximately 104 cm^-2.
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| 关 键 词： | ZnO 纳米结构 电子散射 CuO 多孔渗水 硅元素 |
| 收稿时间： | 2005-04-22 |
| 修稿时间： | 2005-04-22 |
Synthesis and Field Emission of ZnO Nanostructures on CuO Catalyzed Porous Silicon Substrate |
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| Yu Ke;Zhang YongSheng;Ou YangShiXi;Zhang QingJie;Luo LaiJiang;Zhang QiuXiang;Chang ZhongKun;Li LiJun;Zhu ZiJiang.Synthesis and Field Emission of ZnO Nanostructures on CuO Catalyzed Porous Silicon Substrate[J].Chinese Physics Letters,2005,22(9):2411-2414. |
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| Authors: | Yu Ke;Zhang YongSheng;Ou YangShiXi;Zhang QingJie;Luo LaiJiang;Zhang QiuXiang;Chang ZhongKun;Li LiJun;Zhu ZiJiang |
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