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Single-walled carbon nanotubes templated CuO networks for gas sensing
Peng, Guiming1,2,3; Wu, Suqin1; Ellis, James E.2; Xu, Xueqing3; Xu, Gang3; Yu, Changlin1; Star, Alexander2
2016
Source PublicationJOURNAL OF MATERIALS CHEMISTRY C
Volume4Issue:27
AbstractThe design and synthesis of materials that can be used for sensing gases and vapors at ambient temperature is of much significance to environmental monitoring, public health and safety. Herein, single-walled carbon nanotubes (SWCNTs) templated CuO networks (SWCNT/CuO) were synthesized via a facile sol-gel method. Raman and XPS characterization proved that CuO was covalently linked to SWCNTs via Cu-O-C bonds. After deposition of the obtained SWCNT/CuO onto the interdigitated gold electrodes to assemble gas sensors, both ethanol and water vapors were successfully detected by the sensors at ambient temperature. Electron donation from both analytes to the p-type sensing material results in a conductance decrease effect on the SWCNT/CuO sensor. The ambient operating temperature overcomes the high operating temperature shortcoming of most reported CuO-based sensors. Meanwhile, the high sensitivity (2 ppm for ethanol) indicates promising sensing applications for the as-prepared SWCNT/CuO material described in this study.
SubtypeArticle
WOS HeadingsScience & Technology ; Technology ; Physical Sciences
DOI10.1039/c6tc01722c
WOS Subject ExtendedMaterials Science ; Physics
WOS KeywordREDUCED GRAPHENE OXIDE ; STORAGE PERFORMANCE ; SNO2 NANOPARTICLES ; VAPOR SENSORS ; METAL-OXIDE ; ETHANOL ; COMPOSITE ; SENSITIVITY ; NANOSTRUCTURES ; NANOSHEETS
Indexed BySCI
Language英语
WOS SubjectMaterials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000379436900020
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Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/11784
Collection中国科学院广州能源研究所
Affiliation1.Jiangxi Univ Sci & Technol, Sch Met & Chem Engn, Ganzhou 341000, Jiangxi, Peoples R China
2.Univ Pittsburgh, Dept Chem, Pittsburgh, PA 15260 USA
3.Chinese Acad Sci, Guangzhou Inst Energy Convers, CAS Key Lab Renewable Energy, Guangzhou 510640, Guangdong, Peoples R China
First Author AffilicationGuangZhou Institute of Energy Conversion,Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Peng, Guiming,Wu, Suqin,Ellis, James E.,et al. Single-walled carbon nanotubes templated CuO networks for gas sensing[J]. JOURNAL OF MATERIALS CHEMISTRY C,2016,4(27).
APA Peng, Guiming.,Wu, Suqin.,Ellis, James E..,Xu, Xueqing.,Xu, Gang.,...&Star, Alexander.(2016).Single-walled carbon nanotubes templated CuO networks for gas sensing.JOURNAL OF MATERIALS CHEMISTRY C,4(27).
MLA Peng, Guiming,et al."Single-walled carbon nanotubes templated CuO networks for gas sensing".JOURNAL OF MATERIALS CHEMISTRY C 4.27(2016).
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