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Mesoporous ZnO-NiO architectures for use in a high-performance nonenzymatic glucose sensor |
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| Authors: | Yuanying Liu Huan Pang Chengzhen Wei Mingming Hao Shasha Zheng Mingbo Zheng |
| Affiliation: | 1. College of Chemistry and Chemical Engineering, Anyang Normal University, Anyang, 455000, Henan, People’s Republic of China 3. State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing, 210093, Jiangsu, People’s Republic of China 2. Nanjing National Laboratory of Microstructures, School of Electronic Science and Engineering, Nanjing University, Nanjing, 210093, People’s Republic of China |
| Abstract: | Mesoporous ZnO-NiO architectures were prepared by thermal annealing of zinc-nickel hydroxycarbonate composites. The resulting architectures are shown to be assembled by many mesoporous nanosheets, and this results in a large surface area and a strong synergy between the ZnO and NiO nanoparticles. The material obtained by annealing at 400 °C was used as an electrode that responds to glucose over a wide concentration range (from 0.5 μM to 6.4 mM), with a detection limit as low as 0.5 μM, fast response time (<3 s), and good sensitivity (120.5 μA?·?mM?1?·?cm?2). Figure The mesoporous ZnO-NiO architecture by annealing at 400 °C was used as an electrode that responds to glucose over a wide concentration range (from 0.5 μM to 6.4 mM), with a detection limit as low as 0.5 μM, fast response time (<3 s), and good sensitivity (120.5 μA?·?mM?1?·?cm?2 |
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