| Ni~(2+)掺杂In_2O_3纳米粉体的制备及其气敏性能研究 |
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| 引用本文： | 牛新书,魏平涛,王雪丽,茹祥莉,李自强.Ni~(2+)掺杂In_2O_3纳米粉体的制备及其气敏性能研究[J].电子元件与材料,2008,27(6):51-53. |
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| 作者姓名： | 牛新书 魏平涛 王雪丽 茹祥莉 李自强 |
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| 作者单位： | 河南师范大学,化学与环境科学学院,河南,新乡,453007 |
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| 摘 要： | 以InCl3.4H2O、Ni(NO3)2.6H2O和柠檬酸为原料,通过sol-gel法制备了Ni2+掺杂的In2O3纳米粉体,并通过XRD、TEM对产物进行了结构、形貌的测量和表征。结果表明:前驱体经650℃热处理后,得到粒径约为30 nm的粉体。将产物制作成气敏元件,采用静态配气法测试其气敏性能,发现在工作电压为4.5 V时对体积分数为50×10–6的乙醇的灵敏度达到117,响应时间达9 s,而且对其它气体有较好的抗干扰性,有望开发成为对乙醇检测的敏感材料。
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| 关 键 词： | 电子技术 In2O3 Ni2+ 掺杂 sol-gel法 气敏性 C2H5OH |
| 文章编号： | 1001-2028(2008)06-0051-03 |
| 修稿时间： | 2008年3月29日 |
Study on preparation of Ni~(2+)doped In_2O_3 nanopowder and its gas sensitive properties |
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| NIU Xin-shu,WEI Ping-tao,WANG Xue-li,RU Xiang-li,LI Zi-qiang.Study on preparation of Ni~(2+)doped In_2O_3 nanopowder and its gas sensitive properties[J].Electronic Components & Materials,2008,27(6):51-53. |
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| Authors: | NIU Xin-shu WEI Ping-tao WANG Xue-li RU Xiang-li LI Zi-qiang |
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| Affiliation: | NIU Xin-shu,WEI Ping-tao,WANG Xue-li,RU Xiang-li,LI Zi-qiang(College of Chemistry , Environmental Science,Henan Normal University,Xinxiang 453007,Henan Province,China) |
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| Abstract: | Using InCl3.4H2O、Ni(NO3)2.6H2O and citric acid as raw material,Ni2+ doped In2O3 nanopowder was prepared by sol-gel method.The structure,morphology were characterized and measured by XRD and TEM.The results show that the particle size of Ni2+ doped In2O3 nanopowder is about 30 nm after precursor heat-treating at 650 ℃.The gas sensitivie properties of side-heated gas sensors were measured with static state distribution.The sensors based on the nanopowder have higher sensitivity(117) to 50×10–6 C2H5OH at 5.0 V of working voltage,the response time is 9 s,moreover its selectivity is good.It can be expected to be a potential gas sensitive material to C2H5OH. |
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| Keywords: | electron technology In2O3 Ni2+ doping sol-gel method gas sensitive property C2H5OH |
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