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Transfer-free CVD graphene for highly sensitive glucose sensors
Wei, Shijing; Hao, Yabin; Ying, Zhe; Xu, Chuan; Wei, Qinwei; Xue, Sen; Cheng, Hui-Ming; Ren, Wencai; Ma, Lai-Peng; Zeng, You
2020-01-15
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
Volume37Pages:71-76
AbstractChemical vapor deposition (CVD) graphene film is a promising electrode-modifying material for fabricating high-performance glucose sensor due to its high electrical conductivity and two-dimensional structure over large area. However, the use of typical metal-based CVD graphene suffers from the residue contamination of polymer transfer-support and heavy metal ions. In this work, we directly grew few-layer graphene on the SiO2/Si substrate without transfer process and then fabricated graphene-based glucose sensors by sequentially immobilizing glucose oxidase and depositing Nafion layer on its surface that was functionalized by oxygen-plasma treatment. Our transfer- and metal-free process shows distinct advantage over the common metal-CVD method in improving the electrochemical performance by eliminating the contamination of transfer-residue. Thus-obtained glucose sensor shows a high sensitivity (16.16 mu A mM(-1) cm(-2)) with a detection limit of 124.19 mu M. This method is simple and promising for the development of highly sensitive glucose sensors. (C) 2019 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
DOI10.1016/j.jmst.2019.07.039
WOS IDWOS:000503163100009
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/83225
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Wei, Shijing,Hao, Yabin,Ying, Zhe,et al. Transfer-free CVD graphene for highly sensitive glucose sensors[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2020,37:71-76.
APA Wei, Shijing.,Hao, Yabin.,Ying, Zhe.,Xu, Chuan.,Wei, Qinwei.,...&Zeng, You.(2020).Transfer-free CVD graphene for highly sensitive glucose sensors.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,37,71-76.
MLA Wei, Shijing,et al."Transfer-free CVD graphene for highly sensitive glucose sensors".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 37(2020):71-76.
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