钴掺杂二氧化锡纳米纤维及其气敏特性的研究
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- 英文论文题名：Synthesis of Co-doped SnO_2 Nanofibers and Their Enhanced Gas-Sensing Properties
- 论文作者：寇雪莹 ; 张红 ; 孙彦峰 ; 卢革宇
- 英文论文作者：Xueying Kou ; Hong Zhang ; Yanfeng Sun ; Geyu Lu ; State Key Laboratory on Integrated Optoelectronics ; College of Electronic Science and Engineering ; Jilin University
- 年：2016
- 作者机构：吉林大学电子科学与工程学院集成光电子学国家重点实验室;
- 论文关键词：钴掺杂二氧化锡纳米纤维 ; 静电纺丝 ; 热压法 ; 乙醇传感器
- 会议召开时间：2016-11-18
- 会议录名称：中国第四届静电纺丝大会（CICE 2016）摘要集
- 语种：中文
- 分类号：TQ340.64;TP212
- 学会代码：ZGNM
- 会议名称：中国第四届静电纺丝大会(CICE 2016)
- 会议地点：中国北京
- 主办单位：中国复合材料学会超细纤维材料分会（筹）
- 学会名称：中关村科创纳米技术创新研究会
- 页数：1
- 文件大小：536k
- 原文格式：D
- 会议级别：全国
摘要
本文通过静电纺丝法制备了单一的以及1-5mol%钴掺杂的二氧化锡纳米纤维。所合成四组纳米纤维样品的形貌和微观结构特性发生了明显地改变,并且钴离子的掺入抑制了二氧化锡的晶粒的生长。之后,我们采用热压法将所得的材料压覆在平面式电极基片的表面,制作成传感器元件。我们将基于单一的以及由钴离子掺杂的二氧化锡纳米纤维的传感器对几种VOCs气体进行了气敏测试。测试结果显示,在四组样品中,3mol%钴离子掺杂的二氧化锡纳米纤维在300℃对100 ppm乙醇表现出最高的响应值(40.1),这几乎是单一的二氧化锡纳米纤维的4倍。同时,基于3mol%钴掺杂的二氧化锡纳米纤维的传感器表现出很好的重复性和长期稳定性,这说明由钴掺杂的二氧化锡纳米纤维在高性能的乙醇气体传感器方面有很好的应用前景。
In this work, pure and 1–5 mol% Co-doped Sn O_2 nanofibers were synthesized via an electrospinning method. The morphological and microstructural properties of these nanofibers were obviously changed and the grain size of the Sn O_2 nanocrystal were greatly decreased by Co doping. Sensors based on these nanofibers were fabricated after a hot pressing process on the ceramic plates. The gas-sensing properties of pure and Co-doped Sn O_2 nanofibers were tested to several kinds of Volatile Organic Compounds(VOCs). The results indicated that among all the samples(0, 1, 3 and 5 mol% Co-doped Sn O_2 nanofibers), 3 mol% Co-doped Sn O_2 nanofibers showed the highest response toward 100 ppm ethanol, having a response of 40.1, which was over 4 times higher than pure Sn O_2 nanofibers. At the same time, the sensors based on 3mol% Co-doped Sn O_2 nanofibers also exhibited good repeatability and long term stability, which were promising for designing ethanol gas sensor with high performance.
In this work, pure and 1–5 mol% Co-doped Sn O_2 nanofibers were synthesized via an electrospinning method. The morphological and microstructural properties of these nanofibers were obviously changed and the grain size of the Sn O_2 nanocrystal were greatly decreased by Co doping. Sensors based on these nanofibers were fabricated after a hot pressing process on the ceramic plates. The gas-sensing properties of pure and Co-doped Sn O_2 nanofibers were tested to several kinds of Volatile Organic Compounds(VOCs). The results indicated that among all the samples(0, 1, 3 and 5 mol% Co-doped Sn O_2 nanofibers), 3 mol% Co-doped Sn O_2 nanofibers showed the highest response toward 100 ppm ethanol, having a response of 40.1, which was over 4 times higher than pure Sn O_2 nanofibers. At the same time, the sensors based on 3mol% Co-doped Sn O_2 nanofibers also exhibited good repeatability and long term stability, which were promising for designing ethanol gas sensor with high performance.
引文
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[6]C.L.Zhang;S.H.Yu;Chem.Soc.Rev.2014,43:4423-4448.
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[8]K.-Y.Dong;J.-K.Choi;I.-S.Hwang;et al.Sens.Actuators B2011,157:154-161.
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[10]Z.Y.Li;Y.Dzenis;Talanta2011,85:82-85.