Journal
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
Volume 841, Issue -, Pages 119-128Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2019.04.036
Keywords
Nanoporous copper; Flexible; Co-P; Non-enzymatic; Glucose sensors
Categories
Funding
- National Natural Science Foundation of China [51271205, 50801070, 51571093]
- Excellent young college teacher development program in Guangdong Province [Yq2013006]
- Research and Application of Key Technologies Oriented the Industrial Development [90035-3283309, 90035-3283321]
- Project of Science and Technology Plan by Guangzhou City [2013Y2-00102]
- Chinese Central Authority University fund [2015ZM094, 161gjc6]
- NSFC, China [21622509, 21475122, 21527806]
- Department of Science and Techniques of Jilin Province [20160201008GX]
- Jilin Province Development and Reform Commission [2016C014, 2017C053-1]
- Changchun Science and Technology Bureau [15SS05]
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In response to the challenges posed by diabetes, portable glucose sensors with enzyme-free catalytic materials have received great attention in recent years. Herein, a facile strategy for fabricating inexpensive and efficient electrochemical sensors is proposed. Flexible copper clad laminate (FCCL) can be firstly decorated with nano-porous copper (NP Cu) through electrodepositing Cu-Sn alloy and dealloying the Sn element. Then Co-P is further electrodeposited onto the NP Cu/FCCL and the final Co-P/NP Cu/FCCL composite electrode exhibits high catalytic activity for glucose. The great performance of the Co-P/NP Cu/FCCL mainly derives from the enlarged surface area of the NP Cu and the high electrocatalytic activity of Co-P. This electrode exhibits a high sensitivity of 1818 mu A cm(-2) mM(-1), low limit of detection of 378 nM (S/N = 3), fast response time of 4 s, a wide linear dynamic range of 0.5 mu M to 10.0 mM, good anti-interference performance, excellent repeatability and considerable stability for glucose detection. The well-designed structure for catalyzing glucose in high efficiency enable the Co-P/NP Cu/FCCL a potential candidate for future flexible electrochemical sensors.
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