Feng-chao Sun, Jing-tong Zhang, Hao Ren, Shu-tao Wang, Yan Zhou, Jun Zhang. “Dry” NiCo2O4 Nanorods for Electrochemical Non-enzymatic Glucose Sensing[J]. Chinese Journal of Chemical Physics , 2018, 31(6): 799-805. doi: 10.1063/1674-0068/31/cjcp1804061
Citation: Feng-chao Sun, Jing-tong Zhang, Hao Ren, Shu-tao Wang, Yan Zhou, Jun Zhang. “Dry” NiCo2O4 Nanorods for Electrochemical Non-enzymatic Glucose Sensing[J]. Chinese Journal of Chemical Physics , 2018, 31(6): 799-805. doi: 10.1063/1674-0068/31/cjcp1804061

“Dry” NiCo2O4 Nanorods for Electrochemical Non-enzymatic Glucose Sensing

doi: 10.1063/1674-0068/31/cjcp1804061
Funds:  This work was supported by the Shandong Provincial Natural Science Foundation, China (No.ZR2017QB015), the National Natural Science Foundation of China (No.21773309), and China University of Petroleum Student's Platform for In-novation and Entrepreneurship Training Program (No.20161449).
  • Received Date: 2018-04-04
  • A rod-like NiCo2O4 modified glassy carbon electrode was fabricated and used for non-enzymatic glucose sensing. The NiCo2O4 was prepared by a facile hydrothermal reaction and subsequently treated in a commercial microwave oven to eliminate the residual water introduced during the hydrothermal procedure. Structural analysis showed that there was no significant structural alteration before and after microwave treatment. The elimination of water residuals was confirmed by the stoichiometric ratio change by using element analysis. The microwave treated NiCo2O4 (M-NiCo2O4) showed excellent performance as a glucose sensor (sensitivity 431.29 μA·mmol/L-1·cm-2). The sensing performance decreases dramatically by soaking the M-NiCo2O4 in water. This result indicates that the introduction of residual water during hydrothermal process strongly affects the electrochemical performance and microwave pre-treatment is crucial for better sensory performance.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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“Dry” NiCo2O4 Nanorods for Electrochemical Non-enzymatic Glucose Sensing

doi: 10.1063/1674-0068/31/cjcp1804061
Funds:  This work was supported by the Shandong Provincial Natural Science Foundation, China (No.ZR2017QB015), the National Natural Science Foundation of China (No.21773309), and China University of Petroleum Student's Platform for In-novation and Entrepreneurship Training Program (No.20161449).

Abstract: A rod-like NiCo2O4 modified glassy carbon electrode was fabricated and used for non-enzymatic glucose sensing. The NiCo2O4 was prepared by a facile hydrothermal reaction and subsequently treated in a commercial microwave oven to eliminate the residual water introduced during the hydrothermal procedure. Structural analysis showed that there was no significant structural alteration before and after microwave treatment. The elimination of water residuals was confirmed by the stoichiometric ratio change by using element analysis. The microwave treated NiCo2O4 (M-NiCo2O4) showed excellent performance as a glucose sensor (sensitivity 431.29 μA·mmol/L-1·cm-2). The sensing performance decreases dramatically by soaking the M-NiCo2O4 in water. This result indicates that the introduction of residual water during hydrothermal process strongly affects the electrochemical performance and microwave pre-treatment is crucial for better sensory performance.

Feng-chao Sun, Jing-tong Zhang, Hao Ren, Shu-tao Wang, Yan Zhou, Jun Zhang. “Dry” NiCo2O4 Nanorods for Electrochemical Non-enzymatic Glucose Sensing[J]. Chinese Journal of Chemical Physics , 2018, 31(6): 799-805. doi: 10.1063/1674-0068/31/cjcp1804061
Citation: Feng-chao Sun, Jing-tong Zhang, Hao Ren, Shu-tao Wang, Yan Zhou, Jun Zhang. “Dry” NiCo2O4 Nanorods for Electrochemical Non-enzymatic Glucose Sensing[J]. Chinese Journal of Chemical Physics , 2018, 31(6): 799-805. doi: 10.1063/1674-0068/31/cjcp1804061

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