[1]冯秋霞,于鹏,王兢,等.静电纺丝法制备钇掺杂的ZnO及其对丙酮的气敏特性研究[J].郑州大学学报(工学版),2016,37(02):54-57.[doi:10.3969/j.issn.1671-6833.201511028]
 Feng Qiuxia,Yu Peng,Wang Jing,et al.Preparation and Acetone Sensitivities of Y-doped ZnO Nanofibers by Electrispinning[J].Journal of Zhengzhou University (Engineering Science),2016,37(02):54-57.[doi:10.3969/j.issn.1671-6833.201511028]
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静电纺丝法制备钇掺杂的ZnO及其对丙酮的气敏特性研究()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
37
期数:
2016年02期
页码:
54-57
栏目:
出版日期:
2016-04-18

文章信息/Info

Title:
Preparation and Acetone Sensitivities of Y-doped ZnO Nanofibers by Electrispinning
作者:
冯秋霞1于鹏2王兢2李晓干2
1.大连理工大学电子科学与技术学院,辽宁大连116023;2.大连东软信息学院电子工程系,辽宁大连116023;3.大连理工大学电子科学与技术学院,辽宁大连,116023
Author(s):
Feng Qiuxia1Yu Peng2Wang Jing2Li Xiaoqian2
1. School of Electronic Science and Technology, Dalian University of Technology, Dalian, Liaoning 116023; 2. Department of Electronic Engineering, Dalian Neusoft Institute of Information, Dalian, Liaoning 116023; 3. School of Electronic Science and Technology, Dalian University of Technology, Dalian, Liaoning 116023
关键词:
Keywords:
electrospinningZnO nanofibersY dopantacetone sensor
DOI:
10.3969/j.issn.1671-6833.201511028
文献标志码:
A
摘要:
为改善ZnO对丙酮的气敏响应,采用静电纺丝法,利用PVP/Zn(NO3)·6H2O/Y(NO3)3·6H2O等制成的前驱液,制备了钇掺杂的ZnO纳米纤维,通过XRD、SEM等表征手段对制备的纯ZnO和掺杂的ZnO样品进行了表征分析.将制备的纯ZnO和钇掺杂的ZnO纳米纤维制成电阻型气体传感器.气敏测试结果表明,Y掺杂有效改善了ZnO纳米纤维对丙酮气体的敏感特性.在440℃时,对1×10-6~200×10-6(体积分数)丙酮具有良好的响应,响应时间为14 ~40 s,恢复时间为20 ~ 55 s,对于100×10-6丙酮的响应值约为70 (S=Ra/Rg),并且对于乙醇、氨气、甲醇、甲醛、甲苯、苯有较好的选择性.同时分析了该材料对丙酮的敏感机理.
Abstract:
In order to improve the gas-sensing response of ZnO to acetone, yttrium-doped ZnO nanofibers were prepared by electrospinning using a precursor solution made of PVP/Zn(NO3) 6H2O/Y(NO3)3 6H2O, etc. The prepared pure ZnO and doped ZnO samples were characterized by XRD, SEM and other characterization methods. The prepared pure ZnO and yttrium-doped ZnO nanofibers were made into resistive gas sensors. The gas sensor test results showed that Y Doping effectively improves the sensitivity of ZnO nanofibers to acetone gas. At 440 °C, it has a good response to 1×10-6-200×10-6 (volume fraction) acetone, and the response time is 14-40 s. The recovery time is 20-55 s, the response value to 100×10-6 acetone is about 70 (S=Ra/Rg), and it has good selectivity to ethanol, ammonia, methanol, formaldehyde, toluene and benzene. At the same time, the sensitivity mechanism of the material to acetone was analyzed.
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