| ZnO纳米材料制备及其场发射性能的研究 |
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| 引用本文： | 林志贤,张永爱,覃华芳,郭太良.ZnO纳米材料制备及其场发射性能的研究[J].功能材料,2010,41(2). |
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| 作者姓名： | 林志贤 张永爱 覃华芳 郭太良 |
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| 作者单位： | 福州大学,物理与信息工程学院,福建,福州,350002 |
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| 基金项目： | 国家高技术研究发展计划(863计划)平板显示重大专项资助项目(2008AA03A313);;福建省科技重大专项资助项目(2004HZ01-2);;福建省科技三项经费资助项目(2006F5061);;福建省教育厅资助重点项目(JA09003) |
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| 摘 要： | 采用水热法制备形貌和尺寸各异的纳米ZnO材料。用X射线衍射分析仪(XRD)和扫描电子显微镜(SEM)测试产物结构和表面形貌,分析影响纳米ZnO材料生长的因素,探讨纳米ZnO的生长机理。研究了各种形貌ZnO阵列的场致发射特性。实验结果表明,在各种ZnO纳米结构中,纳米管的场致发射性能最好,其最大电流密度可达到0.2mA/cm2,开启场强2.5V/μm,为寻求良好场发射性能的ZnO纳米材料提供了一个可行的途径。
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| 关 键 词： | ZnO纳米材料 水热法 表面形貌 场发射性能 |
Study of preparation and field emission properties of ZnO nanomaterial |
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| LIN Zhi-xian,ZHANG Yong-ai,QIN Hua-fang,GUO Tai-liang.Study of preparation and field emission properties of ZnO nanomaterial[J].Journal of Functional Materials,2010,41(2). |
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| Authors: | LIN Zhi-xian ZHANG Yong-ai QIN Hua-fang GUO Tai-liang |
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| Affiliation: | College of Physics and Information Engineering;Fuzhou University;Fuzhou 350002;China |
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| Abstract: | A variety of morphologies and dimension of ZnO nanomaterial was synthesized using hydrothermal methods.The structure and morphologies of ZnO products were characterized by X-ray diffraction(XRD) and scanning electron microscopy(SEM) respectively.The impact of the growth of ZnO material factors was analyzed and the mechanism of growth was discussed too.The characteristics of field emission for a variety of morphologies ZnO array were studied.The experimental results show that field emission performance of na... |
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| Keywords: | ZnO nanomaterial hydrothermal method surface morphology field emission performance |
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