| 外磁场诱导Ni-ZnO型甲醛传感器气敏性研究 |
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| 引用本文： | 丁红,柏自奎.外磁场诱导Ni-ZnO型甲醛传感器气敏性研究[J].传感器与微系统,2010,29(4). |
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| 作者姓名： | 丁红 柏自奎 |
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| 作者单位： | 1. 上海第二工业大学计算机学院,上海,201209
2. 华中科技大学材料学院塑性成型及模具技术国家重点实验室,湖北,武汉,430074 |
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| 基金项目： | 国家高技术研究发展计划(863计划)，上海市教育高地建设计划资助项目 |
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| 摘 要： | 结合NiO和四针状纳米ZnO的优点,提出了利用平行和垂直气敏膜的磁场诱导Ni纳米颗粒在四针状纳米ZnO气敏膜中的分布来制备甲醛气体传感器的方法.介绍了制备方法,分析了对甲醛的敏感性及其气敏性机理,测试了在不同使用方式中的稳定性.实验结果表明:平行于厚膜表面的磁诱导5%的Ni掺杂ZnO厚膜具有较好的稳定性,同时,对甲醛具有最佳的气敏性和检测的重复性,以其作为甲醛气体探测器具有很好的前景.
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| 关 键 词： | 磁场诱导 甲醛传感器 气体传感器阵列 气敏性能 稳定性 |
Research on gas-sensitivity of Ni-doping ZnO type formaldehyde sensor under external magnetic-field induction |
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| DING Hong,BAI Zi-kui.Research on gas-sensitivity of Ni-doping ZnO type formaldehyde sensor under external magnetic-field induction[J].Transducer and Microsystem Technology,2010,29(4). |
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| Authors: | DING Hong BAI Zi-kui |
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| Affiliation: | DING Hong1,BAI Zi-kui2(1.School of computer,Shanghai Second Polytechnic University,Shanghai 201209,China,2.State Key Laboratory of Plastic Forming Simulation and Die&Mould Technology,Huazhong University of Science and Technology,Wuhan 430074,China) |
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| Abstract: | Combining with the advantages of NiO and four needle-like nano-ZnO,a method using Ni Nano particle doping ZnO gas sensing films under magnetic-field induction to fabricate formaldehyde gas sensor array was proposed.The gas-sensitivity of formaldehyde sensor and its mechanism is analyzed.The stability is tested in different using method.The experimental results show that thick-film surface parallel to the magnetic induction of 5 % Ni doping ZnO thick film has good stability,and at the same time formaldehyde ... |
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| Keywords: | magnetic-field induction formaldehyde sensor gas sensor array gas-sensitivity stability |
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