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Interconnected graphene scaffolds for functional gas sensors with tunable sensitivity
You, X; Yang, JS; Wang, MM; Wang, HD; Gao, L; Dong, SM
2020-12-01
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Pages16
SubtypeArticle
AbstractIn this work, the interconnected graphene scaffolds are prepared by three-dimensional (3D) printing for multifunctional gas detection with tunable sensitivity. The scaffolds with regularly aligned graphene conductive networks exhibit significant mechanical strength and high electrical stability to multi-direction deformation, which can be attributed to the typical core-shell structure of graphene and PVP. The resistance of the free-standing scaffolds can realize the real-time response to H2O and NO2, and the relative resistance change to 100 ppm H2O and 100 ppm NO2 can reach 2% and 2.5 %, respectively. The charge doping of the oxidizing gases is considered to be the main reason for various response sensitivities of the scaffolds with different orthogonal layers, in which the interconnected conductive network can generate a large specific surface area and significantly improving the adsorption of the target gases and the transfer of charge. The controllable fabrication of regular structure has appropriately great potential for further optimizations and applications in gas detection. (C) 2020 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
DOI10.1016/j.jmst.2020.03.055
WOS KeywordNANOCOMPOSITES
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27595
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
You, X,Yang, JS,Wang, MM,et al. Interconnected graphene scaffolds for functional gas sensors with tunable sensitivity[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2020:16.
APA You, X,Yang, JS,Wang, MM,Wang, HD,Gao, L,&Dong, SM.(2020).Interconnected graphene scaffolds for functional gas sensors with tunable sensitivity.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,16.
MLA You, X,et al."Interconnected graphene scaffolds for functional gas sensors with tunable sensitivity".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY (2020):16.
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