| 一维Pt/SnO2纳米纤维的制备及NOx气敏性研究 |
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| 引用本文： | 徐 爽,杨 颖,邬洪源,江 超,井立强,史克英.一维Pt/SnO2纳米纤维的制备及NOx气敏性研究[J].无机材料学报,2013,28(6):584-588. |
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| 作者姓名： | 徐 爽 杨 颖 邬洪源 江 超 井立强 史克英 |
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| 作者单位： | (黑龙江大学 功能无机材料化学教育部重点实验室, 哈尔滨 150080) |
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| 基金项目： | 黑龙江省自然科学基金(ZD201002); 黑龙江省教育厅科技技术面上项目(12511144); 黑龙江省青年科学基金 (QC2010122); 黑龙江大学高层次人才(创新团队)支持计划(Hdtd2010-02) |
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| 摘 要： | 为了制备出室温条件下对NOx气体具有更高灵敏度和更快响应的传感器纳米材料并研究其气敏性能, 本研究通过高压静电纺丝法制备出一维Pt/SnO2中空纳米纤维。采用XRD、SEM、TEM等表征手段对其结构和形貌进行研究, 同时进行了NOx的气敏性能测试并予以探讨。研究结果表明: Pt/SnO2纳米材料是一维中空管状及类似管状结构; 当Pt掺杂量为0.3wt%、NOx浓度为9.7×10-5 (V/V)时, NOx响应最快为11.33 s, 灵敏度最高可达109.6%; 当Pt掺杂量为0.5wt%时, 对NOx检测限最低浓度可达2.91×10-6 (V/V)。
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| 关 键 词： | 高压静电纺丝 Pt掺杂 SnO2 NOx气敏性 |
| 收稿时间： | 2012-07-21 |
| 修稿时间： | 2012-09-19 |
Preparation of One-dimensional Pt/SnO2 Nanofibers and NOx Gas-sensing Properties |
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| XU Shuang,YANG Ying,WU Hong-Yuan,JIANG Chao,JING Li-Qiang,SHI Ke-Ying.Preparation of One-dimensional Pt/SnO2 Nanofibers and NOx Gas-sensing Properties[J].Journal of Inorganic Materials,2013,28(6):584-588. |
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| Authors: | XU Shuang YANG Ying WU Hong-Yuan JIANG Chao JING Li-Qiang SHI Ke-Ying |
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| Affiliation: | (Key Laboratory of Functional Inorganic Material Chemistry, Ministry of Education, Heilongjiang University, Harbin 150080, China) |
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| Abstract: | 1D Pt/SnO2 hollow nanofibers were synthesized by electrospinning method to prepare and study the nanomaterials with the higher sensitivity and faster response to NOx at room temperature. The characteristics and morphology of material were studied by XRD, SEM and TEM. NOx gas sensor was tested at room temperature. The results show that the 1D Pt/SnO2 nanomaterials is hollow tubular and similar tubular structure. The sample with 0.3wt% Pt has the highest sensitivity, the fastest response to 9.7×10-5 V/V NOx, the sensitivity up to 109.6% and response time of 11.33 s. When the sample is doped with Pt 0.5wt%, its limit level is 2.91×10-6 V/V. |
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| Keywords: | electrospinning Pt-doped SnO2 NOx gas sensor |
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