Journal
NANOTECHNOLOGY
Volume 28, Issue 36, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1361-6528/aa7c6e
Keywords
Fe2Ni2N; nanosheet array; glucose; non-enzymatic; amperometric sensor
Funding
- Open Project of the State Key Laboratory Cultivation Base for Nonmetal Composites and Functional Materials [16kffk04]
- Key Lab of Process Analysis and Control of Sichuan Universities [2016001]
- National Natural Science Foundation of China [21575137]
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It is very important to develop enhanced electrochemical sensing platforms for molecular detection and non-noble-metal nanoarray architecture, as electrochemical catalyst electrodes have attracted great attention due to their large specific surface area and easy accessibility to target molecules. In this paper, we demonstrate that an Fe2Ni2N nanosheet array grown on Ti mesh (Fe2Ni2N NS/TM) shows high electrocatalytic activity toward glucose electrooxidation in alkaline medium. As an electrochemical glucose sensor, such an Fe2Ni2N NS/TM catalyst electrode demonstrates superior sensing performance with a short response time of less than 5 s, a wide linear range of 0.05 mu M1.5mM, a low detection limit of 0.038 mu M (S/N = 3), a high sensitivity of 6250 mu A mM(-1) cm(-2), as well as high selectivity and long-term stability.
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