A simple and rapid method for preparing ultramicroelectrode arrays

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

Active Publication Date: 2022-05-27
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 arrays, high cost, and time-consuming preparation, and provide a simple and fast method for preparing ultramicroelectrode arrays

Method used

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  • A simple and rapid method for preparing ultramicroelectrode arrays
  • A simple and rapid method for preparing ultramicroelectrode arrays
  • A simple and rapid method for preparing ultramicroelectrode arrays

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specific Embodiment approach 1

[0034] Embodiment 1: A simple and rapid method for preparing an ultra-micro electrode array in this embodiment is completed according to the following steps:

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

[0036] 2. Place the template with nano-pore size 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 an assembled metal sheet;

[0037] The material of the template with nano-pore size described in step 2 is alumina porous membrane or polycarbonate porous membrane;

[0038] 3. Open a circular 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 circular hole, seal it with an O-ring, and then use screws to assemble the base of the electrolytic cell and assemble it. The metal sheet and the ...

specific Embodiment approach 2

[0041] Embodiment 2: The difference between this embodiment and Embodiment 1 is that the double-sided carbon conductive tape described in step 1 has a thickness of 150-170 μm, a width of 23-28 mm, and a length of 18-22 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 both sides contain carbon powder as conductive filler. Acrylic pressure sensitive adhesive, resistivity (1.8±0.2)×10 4 Ωcm. Other steps are the same as in the first or second embodiment.

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Abstract

The invention discloses a simple and fast method for preparing an ultramicro electrode array, which relates to a method for preparing an ultramicro electrode array. The purpose of the present invention is to solve the problems of complex process, high cost and time-consuming preparation of the existing ultramicro electrode array. Method: 1. Paste one side of the double-sided carbon conductive tape flatly on the metal-plated glass sheet; 2. Place a template with nano-aperture on the other side of the double-sided carbon conductive tape to obtain the assembled metal sheet; 3. Open a round hole at the bottom of the electrolytic cell, and then place the assembled metal sheet on the bottom of the electrolytic cell; 4. Use constant voltage deposition under room temperature and nitrogen atmosphere conditions to obtain super microelectrode array. The invention is convenient and fast, has simple process, low cost, environmental protection and high efficiency, and can prepare various metal nanostructures at the same time. The invention can obtain an ultramicro electrode array.

Description

technical field [0001] The invention relates to a preparation method of an ultra-micro electrode array. Background technique [0002] As an important branch of modern electrochemistry, ultramicroelectrodes have many new properties and provide a powerful means for people to explore the microstructure of substances and electrochemical reaction mechanisms. Compared with traditional macroscopic electrodes, its size is much smaller, with diameters up to micrometers or even nanometers. The small size enables it to exhibit unique advantages over conventional electrodes: increased radial diffusion material transport rate; reduced charging current; improved signal-to-noise ratio. As an ordered nanostructure, the ultra-fine electrode array, while maintaining the advantages of the ultra-fine electrode, overcomes the disadvantage that the ultra-fine electrode has higher requirements for electrochemical analysis instruments due to the low current intensity. Electrochemical analysis equ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
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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