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Open AccessArticle

Single-Step Formation of Ni Nanoparticle-Modified Graphene–Diamond Hybrid Electrodes for Electrochemical Glucose Detection

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MOE Key Laboratory for Non-Equilibrium Synthesis and Modulation of Condensed Matter, Xi’an Jiaotong University, Xi’an 710049, China
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Key Laboratory of Marine Materials and Related Technologies, Zhejiang Key Laboratory of Marine Materials and Protective Technologies, Ningbo Institute of Materials Technology and Engineering (NIMTE), Chinese Academy of Sciences, Ningbo 315201, China
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Department of Physics, Liaoning University, Shenyang 110000, China
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Department of Electrical and Electronic Engineering, Faculty of Science and Engineering, University of Nottingham, Ningbo 315100, China
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College of Material Science and Optoelectronic Technology, University of Chinese Academy of Sciences, 19 A Yuquan Rd., Shijingshan District, Beijing 100049, China
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Ningbo Institute of Materials Technology and Engineering (NIMTE), Chinese Academy of Sciences, Ningbo 315201, China
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Laser Research Institute, Shandong Academy of Sciences, Qingdao 226100, China
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College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310018, China
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School of Materials Science and Engineering, Central South University, Changsha 410083, China
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Authors to whom correspondence should be addressed.
Sensors 2019, 19(13), 2979; https://doi.org/10.3390/s19132979
Received: 16 May 2019 / Revised: 16 June 2019 / Accepted: 29 June 2019 / Published: 5 July 2019
(This article belongs to the Special Issue New Trends in Electrochemical Sensors for Biomedical Applications)
The development of accurate, reliable devices for glucose detection has drawn much attention from the scientific community over the past few years. Here, we report a single-step method to fabricate Ni nanoparticle-modified graphene–diamond hybrid electrodes via a catalytic thermal treatment, by which the graphene layers are directly grown on the diamond surface using Ni thin film as a catalyst, meanwhile, Ni nanoparticles are formed in situ on the graphene surface due to dewetting behavior. The good interface between the Ni nanoparticles and the graphene guarantees efficient charge transfer during electrochemical detection. The fabricated electrodes exhibit good glucose sensing performance with a low detection limit of 2 μM and a linear detection range between 2 μM–1 mM. In addition, this sensor shows great selectivity, suggesting potential applications for sensitive and accurate monitoring of glucose in human blood. View Full-Text
Keywords: glucose; electrochemical detection; Ni nanoparticles; graphene–diamond hybrid electrodes; sp3-to-sp2 conversion glucose; electrochemical detection; Ni nanoparticles; graphene–diamond hybrid electrodes; sp3-to-sp2 conversion
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MDPI and ACS Style

Cui, N.; Guo, P.; Yuan, Q.; Ye, C.; Yang, M.; Yang, M.; Chee, K.W.A.; Wang, F.; Fu, L.; Wei, Q.; Lin, C.-T.; Gao, J. Single-Step Formation of Ni Nanoparticle-Modified Graphene–Diamond Hybrid Electrodes for Electrochemical Glucose Detection. Sensors 2019, 19, 2979. https://doi.org/10.3390/s19132979

AMA Style

Cui N, Guo P, Yuan Q, Ye C, Yang M, Yang M, Chee KWA, Wang F, Fu L, Wei Q, Lin C-T, Gao J. Single-Step Formation of Ni Nanoparticle-Modified Graphene–Diamond Hybrid Electrodes for Electrochemical Glucose Detection. Sensors. 2019; 19(13):2979. https://doi.org/10.3390/s19132979

Chicago/Turabian Style

Cui, Naiyuan; Guo, Pei; Yuan, Qilong; Ye, Chen; Yang, Mingyang; Yang, Minghui; Chee, Kuan W.A.; Wang, Fei; Fu, Li; Wei, Qiuping; Lin, Cheng-Te; Gao, Jingyao. 2019. "Single-Step Formation of Ni Nanoparticle-Modified Graphene–Diamond Hybrid Electrodes for Electrochemical Glucose Detection" Sensors 19, no. 13: 2979. https://doi.org/10.3390/s19132979

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