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CuNi-MOF nano material modified electrode and application thereof

A nanomaterial, modified electrode technology, applied in the field of CuNi-MOF nanomaterial modified electrode, can solve the problems of lack of CuNi-MOF nanomaterial modified electrode, poor conductivity of MOFs material, limited application of MOFs material, etc., to achieve good electrocatalytic performance, The effect of good selectivity and selectivity, good electrocatalytic activity

Inactive Publication Date: 2020-04-21
YUNNAN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] The poor electrical conductivity of MOFs materials limits the application of MOFs materials in the field of electrochemical sensing. Most of the MOFs sensors reported so far are nanomaterials or derivatives based on MOFs materials prepared by MOFS materials and other materials. Direct research on MOFs materials Application coverage is still rare
[0006] At present, there is a lack of a CuNi-MOF nanomaterial modified electrode with good electrocatalytic activity and its application

Method used

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  • CuNi-MOF nano material modified electrode and application thereof
  • CuNi-MOF nano material modified electrode and application thereof
  • CuNi-MOF nano material modified electrode and application thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0035] A kind of CuNi-MOF nano material modified electrode of the present invention, comprises the steps:

[0036] (1) Preparation of CuNi-MOF nanomaterials:

[0037] Add nickel nitrate and copper acetate to a mixed solution of DMF and acetonitrile to form a clear solution A; then, dissolve terephthalic acid in a mixed solution of DMF and acetonitrile as solution B; add solution A dropwise to solution B, Stir for 15 minutes under magnetic stirring, then age the mixture solution at room temperature for 24 hours, wash with dichloromethane and dry at 80°C for 12 hours, collect blue-green powder to prepare CuNi-MOF nanomaterials; the nickel nitrate and acetic acid The mass ratio of copper is 2:3. The volume ratio of the DMF to acetonitrile is 3:2, and the mass volume ratio of the mixed solution of terephthalic acid, DMF and acetonitrile is 4g:1L.

[0038] (2) Preparation of CuNi-MOF nanomaterial modified electrode:

[0039] First, the glassy carbon electrode with a diameter of ...

experiment example 1

[0044] figure 1 It is the PXRD pattern of CuNi-MOF materials with different proportions of the present invention. First, we performed X-ray powder diffraction (PXRD) characterization of the synthesized CuNi-MOF material, and compared it with the simulated standard data, proving that we have prepared a CuNi-MOF material with the same structure as the standard data.

[0045] figure 2is the SEM image of the CuNi-MOF of the present invention. In order to observe the morphology of CuNi-MOF, we took scanning electron microscope (SEM) photos, from which we can see the sheet-like morphology of CuNi-MOF.

[0046] image 3 It is the XPS spectrogram of the CuNi-MOF material of the present invention. X-ray photoelectron spectroscopy (XPS) test proved the existence of Cu and Ni elements in CuNi-MOF.

[0047] Electrochemical performance characterization

[0048] Figure 4 It is the Mapping diagram of the CuNi-MOF material of the present invention. Finally, we further proved the exi...

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Abstract

The invention discloses a CuNi-MOF nano material modified electrode and application thereof. The CuNi-MOF nano material modified electrode comprises the following steps that: step 1, a CuNi-MOF nano material is prepared; and step two, preparing a CuNi-MOF nano material modified electrode. Experimental results show that the electrode modified by the CuNi-MOF nano material on the surface has good electrocatalytic activity on glucose.

Description

technical field [0001] The invention relates to the technical field of nano compound materials, in particular to a CuNi-MOF nano material modified electrode and its application. Background technique [0002] Glucose is one of the most basic metabolic products of living organisms and the main source of energy required by the human body. But when the human body's blood sugar is too high, it is easy to suffer from diabetes, which poses a great threat to human health, so it is very important to quickly and reliably detect the concentration of glucose in the blood. [0003] There are many methods for detecting glucose that have been applied at present. Among all detection methods, the biosensor method has shown unique advantages and has a good application prospect. Among all types of glucose biosensors, electrochemical sensors are the most commonly studied. Electrochemical sensors are mainly divided into two types: enzyme-catalyzed electrochemical sensors and enzyme-free elect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N27/327G01N27/30B82Y15/00B82Y30/00
CPCB82Y15/00B82Y30/00G01N27/308G01N27/3278
Inventor 杜琳薛哲贾磊朱蓉蓉赵琦华
Owner YUNNAN UNIV
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