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Nickel Bicarbonate Nanoparticles Loaded on Carbon Paper for Enzyme-Free Glucose Electrochemical Sensor |
Author Name | Affiliation | E-mail | LI Ken-Ken | College of Food and Wine, Ningxia University, Yinchuan 750021, China | | WANG Song-Lei | College of Food and Wine, Ningxia University, Yinchuan 750021, China | wangsonglei163@126.com | LUO Rui-Ming | College of Food and Wine, Ningxia University, Yinchuan 750021, China | | MA Liang | College of Food and Wine, Ningxia University, Yinchuan 750021, China | | LIU Li | College of Food and Wine, Ningxia University, Yinchuan 750021, China | | WEI Pei-Yuan | College of Food and Wine, Ningxia University, Yinchuan 750021, China | | ZHANG Ye | College of Food and Wine, Ningxia University, Yinchuan 750021, China | |
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Abstract: Nickel bicarbonate nanoparticles were grown in situ on carbon paper by one-step hydrothermal method. Powder X-ray diffraction and scanning electron microscopy were used to characterize the structure and morphology of the material. It was found that when pure phase Ni(HCO3)2 was loaded on carbon paper, it could provide more catalytically active sites which is beneficial to electron transport and catalytic reaction. Cyclic voltammetry and timecurrent response curves showed that the detection limit of the electrode was 0.98 μmol·L-1, the linear range was 2.95-1.02 mmol·L-1, and the sensitivity was 935 μA·L·mmol-1·cm-2. At the same time, it also exhibited excellent specificity and stability. In addition, the sensor can realize the rapid detection of glucose in dairy products. These results show that the synergistic effect of transition metal and conductive substrate can enhance the overall conductivity and catalytic performance of the composite material. |
Keywords: enzyme-free sensor carbon paper nickel bicarbonate cyclic voltammetry glucose |
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LI Ken-Ken,WANG Song-Lei,LUO Rui-Ming,MA Liang,LIU Li,WEI Pei-Yuan,ZHANG Ye.Nickel Bicarbonate Nanoparticles Loaded on Carbon Paper for Enzyme-Free Glucose Electrochemical Sensor[J].Chinese Journal of Inorganic Chemistry,2021,37(11):2002-2010. |
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