| 三维网状结构WO_3纳米材料的合成、表征及气敏性能 |
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| 引用本文： | 牛新书,崔天露,卢鑫,周建国. 三维网状结构WO_3纳米材料的合成、表征及气敏性能[J]. 功能材料, 2011, 42(8) |
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| 作者姓名： | 牛新书 崔天露 卢鑫 周建国 |
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| 作者单位： | 河南师范大学化学与环境科学学院,河南省环境污染控制重点实验室,河南新乡453007 |
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| 基金项目： | 国家自然科学基金资助项目(20571025); 河南省自然科学基金资助项目(0424270073) |
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| 摘 要： | 以鸡蛋壳内膜为模板,通过简单环保的液相浸渍技术结合热处理工艺制备了具有蛋膜分级结构特征的WO3纳米材料。利用XRD、SEM等测试手段,对其物相、结构进行了表征。测试了材料对H2S的气敏性能,探讨了煅烧温度、工作温度以及气体浓度对材料气敏性能的影响。结果表明700℃热处理条件下得到的材料对3.0×10-5 H2S的灵敏度高达687,且响应时间很短,材料的灵敏度与气体浓度呈现良好的线性关系。
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| 关 键 词： | 氧化钨 蛋膜 气敏性能 H2S |
Synthesis,characterization and gas sensing properties of WO_3 with interwoven networks |
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| NIU Xin-shu,CUI Tian-lu,LU Xin,ZHOU Jian-guo. Synthesis,characterization and gas sensing properties of WO_3 with interwoven networks[J]. Journal of Functional Materials, 2011, 42(8) |
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| Authors: | NIU Xin-shu CUI Tian-lu LU Xin ZHOU Jian-guo |
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| Affiliation: | NIU Xin-shu,CUI Tian-lu,LU Xin,ZHOU Jian-guo(College of Chemistry&Environmental Science,Henan Normal University,Henan Province Key Laboratory of Environmental Pollution Control,Xinxiang 453007,China) |
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| Abstract: | The WO3 material with interwoven meshwork conformation was successfully prepared using eggshell membrane as template by an aqueous soakage technique followed by calcination treatment.The phase composition and microstructure of the prepared nano-material were characterized by XRD and SEM.The sensitivity to H2S sensing properties was measured,the effects of calcination temperature,sensor operating temperature and concentrations of H2S gas on the sensitivity were investigated.The results showed that the sensit... |
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| Keywords: | WO3 egg membrane gas sensing properties H2S |
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