Method for simply and rapidly preparing ultramicro electrode array

An ultra-micro electrode, fast technology, applied in the direction of electrochemical variables of materials, etc., can solve the problems of complex process of ultra-micro electrode array, time-consuming preparation, high cost, etc., to achieve the effect of convenient reassembly, time saving and low cost

Active Publication Date: 2021-05-14
QINGDAO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to solve the existing complex process for preparing ultramicroelectrode arra

Method used

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  • Method for simply and rapidly preparing ultramicro electrode array
  • Method for simply and rapidly preparing ultramicro electrode array
  • Method for simply and rapidly preparing ultramicro electrode array

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specific Embodiment approach 1

[0034] Specific Embodiment 1: In this embodiment, a simple and rapid method for preparing an ultramicro electrode array is completed according to the following steps:

[0035] 1. Paste one side of the double-sided carbon conductive tape evenly on the metal-coated glass sheet;

[0036] 2. Place the template with nanometer aperture on the other side of the double-sided carbon conductive tape, then empty the air between the template and the double-sided carbon conductive tape, and finally compact it to obtain the assembled metal sheet;

[0037] The material of the template with nanopores described in step 2 is aluminum oxide porous membrane or polycarbonate porous membrane;

[0038] 3. Open a round hole at the bottom of the electrolytic cell, then place the assembled metal sheet on the bottom of the electrolytic cell, align the template with the round hole, seal it with an O-ring, and then use screws to assemble the base of the electrolytic cell The metal sheet and the electroly...

specific Embodiment approach 2

[0041] Embodiment 2: This embodiment differs from Embodiment 1 in that: the double-sided carbon conductive adhesive tape described in step 1 has a thickness of 150 μm-170 μm, a width of 23 mm-28 mm, and a length of 18 mm-22 mm. Other steps are the same as in the first embodiment.

specific Embodiment approach 3

[0042]Embodiment 3: The difference between this embodiment and Embodiment 1 or 2 is that the double-sided carbon conductive tape described in step 1 is made of non-woven fabric as the base material, and the two sides contain carbon powder added as conductive filler. Acrylic pressure sensitive adhesive, resistivity (1.8±0.2)×10 4 Ωcm. Other steps are the same as those in Embodiment 1 or 2.

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Abstract

The invention discloses a method for simply and rapidly preparing an ultramicro electrode array, and relates to a preparation method of an ultramicro electrode array. The invention aims to solve the problems of complex process, high cost and time-consuming preparation of an existing ultramicro electrode array preparation process. The method comprises the following steps of: 1, flatly adhering one side of a double-sided carbon conductive adhesive tape to a metal-plated glass sheet; 2, placing a template with a nanometer aperture on the other side of the double-sided carbon conductive adhesive tape to obtain an assembled metal sheet; 3, forming a round hole in the bottom of an electrolytic tank, and then placing the assembled metal sheet at the bottom of the electrolytic tank; and 4, performing constant-voltage deposition under the conditions of room temperature and nitrogen atmosphere to obtain the ultramicro electrode array on the assembled metal sheet. The method is convenient and rapid to implement, simple in process, low in cost, environment-friendly and efficient, and meanwhile various metal nanostructures can be prepared. According to the method, the ultramicro electrode array can be obtained.

Description

technical field [0001] The invention relates to a preparation method of an ultramicro electrode array. Background technique [0002] As an important branch of modern electrochemistry, ultramicroelectrodes have many new characteristics, which provide a powerful means for people to explore the microstructure of substances and the mechanism of electrochemical reactions. Compared with traditional macroscopic electrodes, its size is much smaller, and its diameter can reach micron or even nanometer scale. The small size makes it show unique advantages that are different from conventional electrodes: the material transport rate of radial diffusion is improved; the charging current is reduced; the signal-to-noise ratio is improved. As an ordered nanostructure, while maintaining the advantages of ultra-micro-electrodes, the ultra-micro-electrode array overcomes the shortcomings of ultra-micro-electrodes that have higher requirements for electrochemical analysis instruments due to to...

Claims

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Application Information

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IPC IPC(8): C25D3/48C25D3/50C25D3/38C25D7/00C25D5/54G01N27/30G01N27/48
CPCC25D3/48C25D3/50C25D3/38C25D7/00C25D5/54G01N27/30G01N27/48
Inventor 江峰齐林于化忠宋国君杨超
Owner QINGDAO UNIV
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