| MgFe2O4纳米颗粒及其气敏性研究 |
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| 引用本文： | 黄文华,丁涛,张新军,蒋凯.MgFe2O4纳米颗粒及其气敏性研究[J].化学研究与应用,2012(8):1255-1258. |
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| 作者姓名： | 黄文华 丁涛 张新军 蒋凯 |
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| 作者单位： | 永城职业学院;河南师范大学化学与环境工程学院 |
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| 基金项目： | 国家自然科学基金项目(20871042)资助;河南省自然科学基金项目(0424270073)资助 |
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| 摘 要： | 利用Sol-gel燃烧法合成氧化物MgFe2O4对氯气有很高的灵敏度,并利用XRD对产品的物相进行了分析;用TEM对粉体晶粒和形貌进行检测,将产物粉体制成气敏元件,采用静态配气法在气敏测试仪上进行了灵敏度和响应-恢复曲线的测试,研究证明镁铁复合氧化物对氯气有很好的气敏特性。
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| 关 键 词： | 纳米材料 氧化物MgFe2O4 气敏性 |
Study on Gas Sensing Performance of MgFe2O4 Nanomaterials |
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| HUANG Wen-hua,DING Tao,ZHOU Jian-guo,JIANG Kai.Study on Gas Sensing Performance of MgFe2O4 Nanomaterials[J].Chemical Research and Application,2012(8):1255-1258. |
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| Authors: | HUANG Wen-hua DING Tao ZHOU Jian-guo JIANG Kai |
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| Institution: | 1.Yongcheng Vocational College,Yongcheng 476600; 2.College of Chemistry and Environmental Science,Henan Normal University,Xinxiang 453007) |
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| Abstract: | A serial of nanometer materials MgFe2O4 were synthesized by sol-gel method in the citric acid system,The crystal phase of the powders were characterized on an X-ray diffractometer,the shape and size were analyzed with the help of JSM-6390LV scan electron microscopy.The product powders were made up gas sensors and gas sensitivities of these materials to different gas were tested on the gas-sensing propertied testing instrument.Respond that MgFe2O4 have high sensitivity to Cl2. |
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| Keywords: | MgFe2O4 nanomaterials gas sensing performance |
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