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High-Performance Non-enzymatic Glucose Sensors Based on CoNiCu Alloy Nanotubes Arrays Prepared by Electrodeposition
Gong, Xuewen; Gu, Yan; Zhang, Faqiang; Liu, Zhifu; Li, Yongxiang; Chen, Guanyu; Wang, Bo
2019-01-25
Source PublicationFRONTIERS IN MATERIALS
ISSN2296-8016
Volume6
SubtypeArticle
AbstractTransition metal alloys are good candidate electrodes for non-enzymatic glucose sensors due to their low cost and high performance. In this work, we reported the controllable electrodeposition of CoNiCu alloy nanotubes electrodes using anodic aluminum oxide (AAO) as template. Uniform CoNiCu alloy arrays of nanotubes about 2 mu m in length and 280 nm in diameter were obtained by optimizing the electrodeposition parameters. Scanning electron microscopy (SEM) and energy dispersive X-ray spectroscopy (EDS) measurements indicated that the as-prepared alloy nanotubes arrays are composed of 64.7 wt% Co-19.4 wt% Ni-15.9 wt% Cu. Non-enzymatic glucose sensing measurements indicated that the CoNiCu nanotubes arrays possessed a low detection limit of 0.5 mu M, a high sensitivity of 791 mu A mM(-1) cm(-2) from 50 to 1,551 mu M and 322 mu A mM(-1) cm(-2) from 1,551 to 4,050 mu M. Besides, they showed high reliability with the capacity of anti-jamming. Tafel plots showed that alloying brought higher exchange current density and faster reaction speed. The high performance should be due to the synergistic effect of Co, Ni, and Cu metal elements and high surface area of nanotubes arrays.
KeywordCoNiCu alloy nanotubes arrays electrodeposition non-enzymatic glucose sensors synergistic effect
DOI10.3389/fmats.2019.00003
Language英语
WOS Research AreaMaterials Science
PublisherFRONTIERS MEDIA SA
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27384
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Gong, Xuewen,Gu, Yan,Zhang, Faqiang,et al. High-Performance Non-enzymatic Glucose Sensors Based on CoNiCu Alloy Nanotubes Arrays Prepared by Electrodeposition[J]. FRONTIERS IN MATERIALS,2019,6.
APA Gong, Xuewen.,Gu, Yan.,Zhang, Faqiang.,Liu, Zhifu.,Li, Yongxiang.,...&Wang, Bo.(2019).High-Performance Non-enzymatic Glucose Sensors Based on CoNiCu Alloy Nanotubes Arrays Prepared by Electrodeposition.FRONTIERS IN MATERIALS,6.
MLA Gong, Xuewen,et al."High-Performance Non-enzymatic Glucose Sensors Based on CoNiCu Alloy Nanotubes Arrays Prepared by Electrodeposition".FRONTIERS IN MATERIALS 6(2019).
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