兰州大学机构库 >物理科学与技术学院
Role of nickel dopant on gas response and selectivity of electrospun indium oxide nanotubes
Bai, Jinglong1; Wang, Qiao1; Wang, YR(王妍蓉)1; Cheng, Xu1; Yang, Zhenyu1; Gu, Xiuyun1; Huang, Baoyu1; Sun, Gengzhi2; Zhang, ZX(张振兴)1; Pan, XJ(潘孝军)1; Zhou, JY(周金元)1; Xie, EQ(谢二庆)1
2020-02-15
Source PublicationJOURNAL OF COLLOID AND INTERFACE SCIENCE   Impact Factor & Quartile Of Published Year  The Latest Impact Factor & Quartile
ISSN0021-9797
EISSN1095-7103
Volume560Issue:nullPages:447-457
page numbers11
Abstract

It has been demonstrated that the incorporation of Ni into metal oxide-based gas sensors often enhances the sensing performance by increasing the catalytic and heterojunction effects. However, it remains unclear how these two effects work either individually or synergistically in gas sensing. Herein, a series of Ni-doped In2O3 nanotubes (NIO NTs) with different doping concentrations were synthesized through a traditional electrospinning technique. The as-prepared NIO NTs were uniform, with length of micron scale, an average diameter of approximately 70 nm, and a tube wall thickness of approximately 10 nm. Following their incorporation into gas sensors, the NIO NTs often showed improved sensing properties (including excellent response and selectivity) for ethanol vapor compared to the pristine In2O3 NTs. Specifically, at 100 ppm ethanol and 220 °C, the response of NIO-7 NTs (7 mol% Ni) was approximately four-fold higher than that of pristine In2O3 NTs (49.74 vs. 13.39). The gas sensing test results indicated that the improved sensing performance was due to the formation of a heterojunction between In2O3 and NiO, as well as to the catalysis effects of Ni3+ ions. Additionally, simulation results indicated that the improved gas selectivity could be due to the Ni doping-induced change in surface adsorption energies of the tested gases.
© 2019 Elsevier Inc.

KeywordEthanol Gas Sensor Nickel Doping Indium Oxide Nanotubes Catalytic Effect Selectivity
PublisherElsevier
DOI10.1016/j.jcis.2019.10.090
URL查看原文
Indexed BySCI ; SCIE
Language英语
First Inst
Funding ProjectFundamental Research Funds for the Central Universities[] ; National Natural Science Foundation of China[51772135]
WOS Research AreaChemistry
WOS SubjectChemistry, Physical
WOS IDWOS:000504130200047
PublisherAcademic Press Inc.
EI Accession Number20194507634454
EI KeywordsCatalyst Selectivity ; Chemical Detection ; Chemical Sensors ; Ethanol ; Gas Detectors ; Gas Sensing Electrodes ; Heterojunctions ; Metals ; Nanotubes ; Nickel Oxide
EI Classification NumberSemiconductor Devices And Integrated Circuits:714.2 ; Nanotechnology:761 ; Chemistry:801 ; Chemical Agents And Basic Industrial Chemicals:803 ; Chemical Products Generally:804 ; Accidents And Accident Prevention:914.1
Original Document TypeJournal article (JA)
PMID 31677818
Citation statistics
Document Type期刊论文
Identifierhttps://ir.lzu.edu.cn/handle/262010/418392
Collection物理科学与技术学院
Corresponding AuthorZhou, Jin Yuan; Xie, Erqing
Affiliation
1.School of Physical Science and Technology, Lanzhou University, 222 South Tianshui Road, Lanzhou; 730000, China
2.Institute of Advanced Materials, Nanjing Tech University, 30 South Puzhu Road, Nanjing; 211816, China
First Author AffilicationSchool of Physical Science and Technology
Corresponding Author AffilicationSchool of Physical Science and Technology
First Signature AffilicationSchool of Physical Science and Technology
Recommended Citation
GB/T 7714
Bai, Jinglong,Wang, Qiao,Wang, Yanrong,et al. Role of nickel dopant on gas response and selectivity of electrospun indium oxide nanotubes[J]. JOURNAL OF COLLOID AND INTERFACE SCIENCE,2020,560(null):447-457.
APA Bai, Jinglong.,Wang, Qiao.,Wang, Yanrong.,Cheng, Xu.,Yang, Zhenyu.,...&Xie, Erqing.(2020).Role of nickel dopant on gas response and selectivity of electrospun indium oxide nanotubes.JOURNAL OF COLLOID AND INTERFACE SCIENCE,560(null),447-457.
MLA Bai, Jinglong,et al."Role of nickel dopant on gas response and selectivity of electrospun indium oxide nanotubes".JOURNAL OF COLLOID AND INTERFACE SCIENCE 560.null(2020):447-457.
Related Services
Recommend this item
Bookmark
Usage statistics
Export to Endnote
Altmetrics Score
Google Scholar
Similar articles in Google Scholar
[Bai, Jinglong]'s Articles
[Wang, Qiao]'s Articles
[Wang, Yanrong]'s Articles
Baidu academic
Similar articles in Baidu academic
[Bai, Jinglong]'s Articles
[Wang, Qiao]'s Articles
[Wang, Yanrong]'s Articles
Bing Scholar
Similar articles in Bing Scholar
[Bai, Jinglong]'s Articles
[Wang, Qiao]'s Articles
[Wang, Yanrong]'s Articles
Terms of Use
No data!
Social Bookmark/Share
File name: bai jinglong-2020-JCIS.pdf
Format: Adobe PDF
No comment.
Items in the repository are protected by copyright, with all rights reserved, unless otherwise indicated.